From 66a4ed2735fa7faa9d0fc5e559fc64c15a9da63e Mon Sep 17 00:00:00 2001
From: whiteWeed <wsd97931@gmail.com>
Date: Mon, 5 Jun 2017 12:24:30 +0900
Subject: [PATCH 1/6] =?UTF-8?q?=EC=84=B1=EC=A0=81=EA=B4=80=EB=A6=AC=20?=
 =?UTF-8?q?=EC=8B=9C=EC=8A=A4=ED=85=9C=202=20=EC=A0=9C=EC=B6=9C=ED=95=A9?=
 =?UTF-8?q?=EB=8B=88=EB=8B=A4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../Grade Management System/2/Grade2.java     |  46 +++++++
 .../Grade Management System/2/GradeTest2.java | 129 ++++++++++++++++++
 2 files changed, 175 insertions(+)
 create mode 100644 Solutions/whiteWeed/Grade Management System/2/Grade2.java
 create mode 100644 Solutions/whiteWeed/Grade Management System/2/GradeTest2.java

diff --git a/Solutions/whiteWeed/Grade Management System/2/Grade2.java b/Solutions/whiteWeed/Grade Management System/2/Grade2.java
new file mode 100644
index 0000000..9cbce21
--- /dev/null
+++ b/Solutions/whiteWeed/Grade Management System/2/Grade2.java	
@@ -0,0 +1,46 @@
+/**
+ * 
+ */
+package whiteWeed.gradeManage;
+
+/**
+ * <pre>
+ * whiteWeed.gradeManage
+ *   |_Grade2
+ * 
+ * 1. 개요 : 
+ * 2. 작성일 : 2017. 6. 2.
+ * </pre>
+ * 
+ * @author				:  Weed
+ * @version				:  1.0
+ */
+public class Grade2 {
+	private String name;
+	private short sum = 0, rank;
+	private float average;
+	protected byte[] score;
+	public static int studentCnt = 0;
+	
+	public Grade2(String name, byte[] score, short sum, float average){
+		this.name = name;
+		this.score = score;
+		this.sum = sum;
+		this.average = average;
+		studentCnt++;
+	}
+	
+	public short getSum(){
+		return sum;
+	}
+	
+	public void setRank(short rank){
+		this.rank = rank;
+	}
+	
+	public String toString(){
+		return String.format("%-10s", this.name) + String.format("%-6d", this.score[0]) + String.format("%-6d", this.score[1])
+					+ String.format("%-6d", this.score[2]) + String.format("%-6d", this.sum) + String.format("%-6.1f", this.average)
+					+ String.format("%-3d", this.rank);
+	}
+}
diff --git a/Solutions/whiteWeed/Grade Management System/2/GradeTest2.java b/Solutions/whiteWeed/Grade Management System/2/GradeTest2.java
new file mode 100644
index 0000000..55c376b
--- /dev/null
+++ b/Solutions/whiteWeed/Grade Management System/2/GradeTest2.java	
@@ -0,0 +1,129 @@
+/**
+ * 
+ */
+package whiteWeed.gradeManage;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Scanner;
+
+/**
+ * <pre>
+ * whiteWeed.gradeManage
+ *   |_GradeTest2
+ * 
+ * 1. 개요 : 
+ * 2. 작성일 : 2017. 6. 2.
+ * </pre>
+ * 
+ * @author				:  Weed
+ * @version				:  1.0
+ */
+public class GradeTest2 {
+	
+	private static Scanner sc = new Scanner(System.in);
+	private static List<Grade2> gradeArray = new ArrayList<Grade2>();
+	private static List<Short> gradeSums = new ArrayList<Short>();
+	
+	public static void main(String[] args) {
+		menuSelect();
+		sc.close();
+	}
+	
+	private static void menuSelect(){
+		System.out.println(" - Menu select -");
+		System.out.println("    1. Input Student's grade");
+		System.out.println("    2. Print Student's grade");
+		System.out.println("    3. Exit");
+		System.out.println();
+		System.out.print("Select : ");
+		int index = sc.nextInt();
+		sc.reset();
+		System.out.println();
+		switch(index){
+		case 1:
+			input();
+			menuSelect();
+			break;
+		case 2:
+			print();
+			menuSelect();
+			break;
+		case 3:
+			break;
+		}
+	}
+	
+	private static void input(){
+		byte[] score = {0, 0, 0};
+		short sum = 0;
+		float average;
+		System.out.print("> Name : ");
+		String name = sc.next();
+		sc.reset();
+		System.out.print("> Korean : ");
+		score[0] = sc.nextByte();
+		sc.reset();
+		sum += score[0];
+		System.out.print("> English : ");
+		score[1] = sc.nextByte();
+		sc.reset();
+		sum += score[1];
+		System.out.print("> Math : ");
+		score[2] = sc.nextByte();
+		sc.reset();
+		sum += score[2];
+		average = (float)sum/3;
+		gradeArray.add(new Grade2(name, score, sum, average));
+		System.out.println();
+		System.out.print("> Do you continue to input (Y/N)? ");
+		String index = sc.next();
+		
+		switch(index){
+		case "Y":
+			input();
+			break;
+		case "N":
+			break;
+		}
+	}
+	
+	private static void print(){
+		int[] sums = {0, 0, 0, 0};
+		
+		for(Grade2 grade : gradeArray){
+			gradeSums.add(grade.getSum());
+		}
+		gradeSums.toArray();
+		
+		for(int i = gradeArray.size()-1; i >= 0; i--){
+			for(int j = 0; j <= gradeArray.size()-1; j++){
+				short sum1 = gradeSums.get(i);
+				Grade2 grade1 = gradeArray.get(j);
+				if(sum1 == (grade1.getSum())){
+					grade1.setRank((short)(i + 1));
+				}
+			}
+		}
+		
+		System.out.println(String.format("%-10s", "Name") + String.format("%-6s", "Kor") + String.format("%-6s", "Eng")
+		 + String.format("%-6s", "Math") + String.format("%-6s", "Sum") + String.format("%-6s", "Avg")
+		 + String.format("%-6s", "Rank"));
+		System.out.println("============================================");
+		for(Grade2 grade : gradeArray){
+			System.out.println(grade);
+		}
+		System.out.println("============================================");
+		for(Grade2 grade : gradeArray){
+			for(int i = 0; i < 3; i++){
+				sums[i] += grade.score[i];
+				sums[3] += grade.score[i];
+			}
+		}
+		System.out.println(String.format("%-10s", "Sum") + String.format("%-6d", sums[0]) + String.format("%-6d", sums[1])
+		+ String.format("%-6d", sums[2]) + String.format("%-6d", sums[3]));
+		System.out.println(String.format("%-10s", "Avg") 
+		+ String.format("%-6.1f", (float)sums[0]/Grade2.studentCnt) + String.format("%-6.1f", (float)sums[1]/Grade2.studentCnt)
+		+ String.format("%-6.1f", (float)sums[2]/Grade2.studentCnt) + String.format("%-6.1f", (float)sums[3]/Grade2.studentCnt));
+	}
+}

From af714b66126d1ecf515d4bf2c21d6ac4ae19227f Mon Sep 17 00:00:00 2001
From: whiteWeed <wsd97931@gmail.com>
Date: Mon, 5 Jun 2017 12:54:57 +0900
Subject: [PATCH 2/6] =?UTF-8?q?=EA=B2=8C=EC=9E=84=EC=83=81=EC=A0=90=203=20?=
 =?UTF-8?q?=EC=A0=9C=EC=B6=9C=ED=95=A9=EB=8B=88=EB=8B=A4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Solutions/whiteWeed/Game Shop/3/Armor.java    | 30 ++++++++
 Solutions/whiteWeed/Game Shop/3/Item.java     | 35 +++++++++
 Solutions/whiteWeed/Game Shop/3/Potion.java   | 33 ++++++++
 Solutions/whiteWeed/Game Shop/3/Shop.java     | 35 +++++++++
 Solutions/whiteWeed/Game Shop/3/ShopTest.java | 75 +++++++++++++++++++
 Solutions/whiteWeed/Game Shop/3/Weapon.java   | 30 ++++++++
 6 files changed, 238 insertions(+)
 create mode 100644 Solutions/whiteWeed/Game Shop/3/Armor.java
 create mode 100644 Solutions/whiteWeed/Game Shop/3/Item.java
 create mode 100644 Solutions/whiteWeed/Game Shop/3/Potion.java
 create mode 100644 Solutions/whiteWeed/Game Shop/3/Shop.java
 create mode 100644 Solutions/whiteWeed/Game Shop/3/ShopTest.java
 create mode 100644 Solutions/whiteWeed/Game Shop/3/Weapon.java

diff --git a/Solutions/whiteWeed/Game Shop/3/Armor.java b/Solutions/whiteWeed/Game Shop/3/Armor.java
new file mode 100644
index 0000000..c350fa6
--- /dev/null
+++ b/Solutions/whiteWeed/Game Shop/3/Armor.java	
@@ -0,0 +1,30 @@
+/**
+ * 
+ */
+package whiteWeed.gameShop;
+
+/**
+ * <pre>
+ * whiteWeed.gameShop
+ *   |_Armor
+ * 
+ * 1. 개요 : 
+ * 2. 작성일 : 2017. 5. 29.
+ * </pre>
+ * 
+ * @author				:  Weed
+ * @version				:  1.0
+ */
+public class Armor extends Item {
+	private int defence;
+	
+	public Armor(String name, String description, int weight, int value, int defence){
+		super(name, description, weight, value);
+		this.defence = defence;
+	}
+	
+	public void describe(){
+		super.describe();
+		System.out.println("Defence       = " + this.defence);
+	}
+}
diff --git a/Solutions/whiteWeed/Game Shop/3/Item.java b/Solutions/whiteWeed/Game Shop/3/Item.java
new file mode 100644
index 0000000..85ddf1c
--- /dev/null
+++ b/Solutions/whiteWeed/Game Shop/3/Item.java	
@@ -0,0 +1,35 @@
+/**
+ * 
+ */
+package whiteWeed.gameShop;
+
+/**
+ * <pre>
+ * whiteWeed.gameShop
+ *   |_Item
+ * 
+ * 1. 개요 : 
+ * 2. 작성일 : 2017. 5. 18.
+ * </pre>
+ * 
+ * @author				:  Weed
+ * @version				:  1.0
+ */
+public class Item {
+	protected String name, description;
+	protected int weight, value;
+	
+	public Item(String name, String description, int weight, int value){
+		this.name = name;
+		this.description = description;
+		this.weight = weight;
+		this.value = value;
+	}
+	
+	public void describe(){
+		System.out.println("Name          = " + this.name);
+		System.out.println("Description   = " + this.description);
+		System.out.println("Weight        = " + this.weight + " lbs");
+		System.out.println("Value         = " + this.value + " gold coins");
+	}
+}
diff --git a/Solutions/whiteWeed/Game Shop/3/Potion.java b/Solutions/whiteWeed/Game Shop/3/Potion.java
new file mode 100644
index 0000000..b1534dd
--- /dev/null
+++ b/Solutions/whiteWeed/Game Shop/3/Potion.java	
@@ -0,0 +1,33 @@
+/**
+ * 
+ */
+package whiteWeed.gameShop;
+
+/**
+ * <pre>
+ * whiteWeed.gameShop
+ *   |_Potion
+ * 
+ * 1. 개요 : 
+ * 2. 작성일 : 2017. 6. 5.
+ * </pre>
+ * 
+ * @author				:  Weed
+ * @version				:  1.0
+ */
+public class Potion extends Item {
+	String type;
+	int capacity;
+	
+	public Potion(String name, String description, int weight, int value, String type, int capacity){
+		super(name, description, weight, value);
+		this.type = type;
+		this.capacity = capacity;
+	}
+	
+	public void describe(){
+		super.describe();
+		System.out.println("Type          = " + this.type);
+		System.out.println("Capacity      = " + this.capacity);
+	}
+}
diff --git a/Solutions/whiteWeed/Game Shop/3/Shop.java b/Solutions/whiteWeed/Game Shop/3/Shop.java
new file mode 100644
index 0000000..446d3e5
--- /dev/null
+++ b/Solutions/whiteWeed/Game Shop/3/Shop.java	
@@ -0,0 +1,35 @@
+/**
+ * 
+ */
+package whiteWeed.gameShop;
+
+/**
+ * <pre>
+ * whiteWeed.gameShop
+ *   |_Shop
+ * 
+ * 1. 개요 : 
+ * 2. 작성일 : 2017. 6. 5.
+ * </pre>
+ * 
+ * @author				:  Weed
+ * @version				:  1.0
+ */
+public class Shop {
+	String name;
+	Item[] items;
+	
+	public Shop(String name, Item[] items){
+		this.name = name;
+		this.items = items;
+	}
+	
+	public void showItemList(){
+		System.out.println("Welcome to " + this.name + " Shop!");
+		System.out.println("- Item List -");
+		for(Item item : items){
+			item.describe();
+			System.out.println();
+		}
+	}
+}
diff --git a/Solutions/whiteWeed/Game Shop/3/ShopTest.java b/Solutions/whiteWeed/Game Shop/3/ShopTest.java
new file mode 100644
index 0000000..264bffc
--- /dev/null
+++ b/Solutions/whiteWeed/Game Shop/3/ShopTest.java	
@@ -0,0 +1,75 @@
+/**
+ * 
+ */
+package whiteWeed.gameShop;
+
+import java.util.*;
+
+/**
+ * <pre>
+ * whiteWeed.gameShop
+ *   |_ShopTest
+ * 
+ * 1. 개요 : 
+ * 2. 작성일 : 2017. 6. 5.
+ * </pre>
+ * 
+ * @author				:  Weed
+ * @version				:  1.0
+ */
+public class ShopTest {
+	private static Item[][] items = {
+			{
+				new Weapon("Sword", "Medium DMG", 3, 10, 10),
+				new Armor("Cap", "Light Armor", 1, 5, 5),
+				new Armor("Gloves", "Light Armor", 1, 5, 5),
+				new Weapon("Axe", "High DMG", 5, 15, 15),
+				new Armor("Boots", "Light Armor", 1, 5, 5)
+			},
+			{
+				new Potion("Small Health Potion", "Recovery 100 HP", 2, 5, "Health", 100),
+				new Potion("Small Mana Potion", "Recovery 50 MP", 1, 30, "Mana", 50),
+				new Potion("Medium Health Potion", "Recovery 200 HP", 4, 120, "Health", 200),
+				new Potion("Medium Mana Potion", "Recovery 100 MP", 2, 75, "Mana", 100),
+				new Potion("Large Health Potion", "Recovery 300 HP", 6, 200, "Health", 300)
+			}
+	};
+	private static Shop[] shops = {
+			new Shop("Weapon/Armor", items[0]),
+			new Shop("Potion", items[1])
+	};
+	
+	private static Scanner sc = new Scanner(System.in);
+	
+	public static void main(String[] args) {
+		select();
+		sc.close();
+	}
+	
+	public static void select(){
+		System.out.println("- Shop Select -");
+		System.out.println("   1. Weapon/Armor Shop");
+		System.out.println("   2. Potion Shop");
+		System.out.println("   3. Exit");
+		System.out.println();
+		System.out.println("Select : ");
+		int selection = sc.nextInt();
+		
+		switch(selection){
+		case 1:
+			shops[0].showItemList();
+			select();
+			break;
+		case 2:
+			shops[1].showItemList();
+			select();
+			break;
+		case 3:
+			break;
+		default:
+			System.out.println("Invalid number! Try again.");
+			select();
+			break;
+		}
+	}
+}
diff --git a/Solutions/whiteWeed/Game Shop/3/Weapon.java b/Solutions/whiteWeed/Game Shop/3/Weapon.java
new file mode 100644
index 0000000..a291c6d
--- /dev/null
+++ b/Solutions/whiteWeed/Game Shop/3/Weapon.java	
@@ -0,0 +1,30 @@
+/**
+ * 
+ */
+package whiteWeed.gameShop;
+
+/**
+ * <pre>
+ * whiteWeed.gameShop
+ *   |_Weapon
+ * 
+ * 1. 개요 : 
+ * 2. 작성일 : 2017. 5. 29.
+ * </pre>
+ * 
+ * @author				:  Weed
+ * @version				:  1.0
+ */
+public class Weapon extends Item {
+	private int damage;
+	
+	public Weapon(String name, String description, int weight, int value, int damage){
+		super(name, description, weight, value);
+		this.damage = damage;
+	}
+	
+	public void describe(){
+		super.describe();
+		System.out.println("Damage        = " + this.damage);
+	}
+}

From f29ea71e389b1f36316997defda5979e06d4fa07 Mon Sep 17 00:00:00 2001
From: whiteWeed <wsd97931@gmail.com>
Date: Sat, 1 Jul 2017 17:33:12 +0900
Subject: [PATCH 3/6] =?UTF-8?q?=EA=B3=A0=EC=B3=90=EB=B4=A4=EC=8A=B5?=
 =?UTF-8?q?=EB=8B=88=EB=8B=A4!?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Solutions/whiteWeed/Game Shop/3/ItemTest.java |  30 +++++
 .../whiteWeed/Game Shop/3/ItemTest2.java      |  30 +++++
 Solutions/whiteWeed/Game Shop/3/ShopTest.java |  29 +++--
 .../Grade Management System/2/Grade2.java     |   5 +
 .../Grade Management System/2/GradeTest2.java | 110 +++++++++---------
 5 files changed, 135 insertions(+), 69 deletions(-)
 create mode 100644 Solutions/whiteWeed/Game Shop/3/ItemTest.java
 create mode 100644 Solutions/whiteWeed/Game Shop/3/ItemTest2.java

diff --git a/Solutions/whiteWeed/Game Shop/3/ItemTest.java b/Solutions/whiteWeed/Game Shop/3/ItemTest.java
new file mode 100644
index 0000000..e5cc9b8
--- /dev/null
+++ b/Solutions/whiteWeed/Game Shop/3/ItemTest.java	
@@ -0,0 +1,30 @@
+/**
+ * 
+ */
+package whiteWeed.gameShop;
+
+/**
+ * <pre>
+ * whiteWeed.gameShop
+ *   |_ItemTest
+ * 
+ * 1. 개요 : 
+ * 2. 작성일 : 2017. 5. 18.
+ * </pre>
+ * 
+ * @author				:  Weed
+ * @version				:  1.0
+ */
+public class ItemTest {
+	public static void main(String[] args) {
+		Item[] items = {
+				new Item("Excalibur", "The legendary sword of King Arthur", 12, 1024),
+				new Item("Steel Armor", "Protective covering made by steel", 15, 805)
+		};
+		
+		for(Item item : items){
+			item.describe();
+			System.out.println();
+		}
+	}
+}
diff --git a/Solutions/whiteWeed/Game Shop/3/ItemTest2.java b/Solutions/whiteWeed/Game Shop/3/ItemTest2.java
new file mode 100644
index 0000000..244ae14
--- /dev/null
+++ b/Solutions/whiteWeed/Game Shop/3/ItemTest2.java	
@@ -0,0 +1,30 @@
+/**
+ * 
+ */
+package whiteWeed.gameShop;
+
+/**
+ * <pre>
+ * whiteWeed.gameShop
+ *   |_ItemTest2
+ * 
+ * 1. 개요 : 
+ * 2. 작성일 : 2017. 5. 29.
+ * </pre>
+ * 
+ * @author				:  Weed
+ * @version				:  1.0
+ */
+public class ItemTest2 {
+	public static void main(String[] args) {
+		Item[] items = {
+				new Weapon("Excalibur", "The legendary sword of King Arthur", 12, 1024, 24),
+				new Armor("Steel Armor", "Protective covering made by steel", 15, 805, 18)
+		};
+		
+		for(Item item : items){
+			item.describe();
+			System.out.println();
+		}
+	}
+}
diff --git a/Solutions/whiteWeed/Game Shop/3/ShopTest.java b/Solutions/whiteWeed/Game Shop/3/ShopTest.java
index 264bffc..8897234 100644
--- a/Solutions/whiteWeed/Game Shop/3/ShopTest.java	
+++ b/Solutions/whiteWeed/Game Shop/3/ShopTest.java	
@@ -42,11 +42,14 @@ public class ShopTest {
 	private static Scanner sc = new Scanner(System.in);
 	
 	public static void main(String[] args) {
-		select();
+		boolean end = true;
+		while(end) {
+			end = select();
+		}
 		sc.close();
 	}
 	
-	public static void select(){
+	public static boolean select(){
 		System.out.println("- Shop Select -");
 		System.out.println("   1. Weapon/Armor Shop");
 		System.out.println("   2. Potion Shop");
@@ -54,22 +57,16 @@ public static void select(){
 		System.out.println();
 		System.out.println("Select : ");
 		int selection = sc.nextInt();
+		sc.reset();
 		
-		switch(selection){
-		case 1:
-			shops[0].showItemList();
-			select();
-			break;
-		case 2:
-			shops[1].showItemList();
-			select();
-			break;
-		case 3:
-			break;
-		default:
+		if(selection > 3 || selection <= 0){
 			System.out.println("Invalid number! Try again.");
-			select();
-			break;
+			return true;
+		}
+		else if(selection <= 2){
+			shops[selection - 1].showItemList();
+			return true;
 		}
+		return false;
 	}
 }
diff --git a/Solutions/whiteWeed/Grade Management System/2/Grade2.java b/Solutions/whiteWeed/Grade Management System/2/Grade2.java
index 9cbce21..73ce166 100644
--- a/Solutions/whiteWeed/Grade Management System/2/Grade2.java	
+++ b/Solutions/whiteWeed/Grade Management System/2/Grade2.java	
@@ -20,6 +20,7 @@ public class Grade2 {
 	private short sum = 0, rank;
 	private float average;
 	protected byte[] score;
+	public static byte[] scoreSum = {0, 0, 0, 0};
 	public static int studentCnt = 0;
 	
 	public Grade2(String name, byte[] score, short sum, float average){
@@ -28,6 +29,10 @@ public Grade2(String name, byte[] score, short sum, float average){
 		this.sum = sum;
 		this.average = average;
 		studentCnt++;
+		for(int i = 0; i < 3; i++){
+			scoreSum[i] += score[i];
+		}
+		scoreSum[3] += sum;
 	}
 	
 	public short getSum(){
diff --git a/Solutions/whiteWeed/Grade Management System/2/GradeTest2.java b/Solutions/whiteWeed/Grade Management System/2/GradeTest2.java
index 55c376b..92f696e 100644
--- a/Solutions/whiteWeed/Grade Management System/2/GradeTest2.java	
+++ b/Solutions/whiteWeed/Grade Management System/2/GradeTest2.java	
@@ -3,9 +3,7 @@
  */
 package whiteWeed.gradeManage;
 
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Scanner;
+import java.util.*;
 
 /**
  * <pre>
@@ -23,14 +21,17 @@ public class GradeTest2 {
 	
 	private static Scanner sc = new Scanner(System.in);
 	private static List<Grade2> gradeArray = new ArrayList<Grade2>();
-	private static List<Short> gradeSums = new ArrayList<Short>();
+	private static Map<Integer, Short> gradeSums = new HashMap<Integer, Short>();
 	
 	public static void main(String[] args) {
-		menuSelect();
+		boolean end = true;
+		while(end){
+			end = menuSelect();
+		}
 		sc.close();
 	}
 	
-	private static void menuSelect(){
+	private static boolean menuSelect(){
 		System.out.println(" - Menu select -");
 		System.out.println("    1. Input Student's grade");
 		System.out.println("    2. Print Student's grade");
@@ -40,70 +41,74 @@ private static void menuSelect(){
 		int index = sc.nextInt();
 		sc.reset();
 		System.out.println();
+		
+		boolean end = true;
+		
 		switch(index){
 		case 1:
-			input();
-			menuSelect();
-			break;
+			while(end){
+				end = input();
+			}
+			return true;
 		case 2:
 			print();
-			menuSelect();
-			break;
+			return true;
 		case 3:
-			break;
+			return false;
+		default:
+			return true;
 		}
 	}
 	
-	private static void input(){
+	private static boolean input(){
 		byte[] score = {0, 0, 0};
 		short sum = 0;
 		float average;
-		System.out.print("> Name : ");
-		String name = sc.next();
-		sc.reset();
-		System.out.print("> Korean : ");
-		score[0] = sc.nextByte();
-		sc.reset();
-		sum += score[0];
-		System.out.print("> English : ");
-		score[1] = sc.nextByte();
-		sc.reset();
-		sum += score[1];
-		System.out.print("> Math : ");
-		score[2] = sc.nextByte();
-		sc.reset();
-		sum += score[2];
+		String[] subs = {"> Name : ", "> Korean : ", "> English : ", "> Math : "}, args = {null, null, null, null};
+		
+		for(int i = 0; i < 4; i++){
+			System.out.print(subs[i]);
+			args[i] = sc.next();
+			sc.reset();
+		}
+		
+		for(int i = 0; i < 3; i++){
+			score[i] = Byte.parseByte(args[i + 1]);
+			sum += score[i];
+		}
+		
 		average = (float)sum/3;
-		gradeArray.add(new Grade2(name, score, sum, average));
+		gradeArray.add(new Grade2(args[0], score, sum, average));
 		System.out.println();
 		System.out.print("> Do you continue to input (Y/N)? ");
 		String index = sc.next();
+		sc.reset();
 		
 		switch(index){
 		case "Y":
-			input();
-			break;
+			return true;
 		case "N":
-			break;
+			return false;
+		default:
+			return false;
 		}
 	}
 	
 	private static void print(){
-		int[] sums = {0, 0, 0, 0};
-		
-		for(Grade2 grade : gradeArray){
-			gradeSums.add(grade.getSum());
+		for(int i = 0; i < Grade2.studentCnt; i++){
+			gradeSums.put(i, gradeArray.get(i).getSum());
 		}
-		gradeSums.toArray();
 		
-		for(int i = gradeArray.size()-1; i >= 0; i--){
-			for(int j = 0; j <= gradeArray.size()-1; j++){
-				short sum1 = gradeSums.get(i);
-				Grade2 grade1 = gradeArray.get(j);
-				if(sum1 == (grade1.getSum())){
-					grade1.setRank((short)(i + 1));
+		for(int i = 0; i < Grade2.studentCnt; i++){
+			for(int j = i + 1; j < Grade2.studentCnt; j++){
+				if(gradeSums.get(i) < gradeSums.get(j)){
+					short tmp;
+					tmp = gradeSums.get(i);
+					gradeSums.replace(i, gradeSums.get(j));
+					gradeSums.replace(j, tmp);
 				}
 			}
+			gradeArray.get(i).setRank((short)(i + 1));
 		}
 		
 		System.out.println(String.format("%-10s", "Name") + String.format("%-6s", "Kor") + String.format("%-6s", "Eng")
@@ -114,16 +119,15 @@ private static void print(){
 			System.out.println(grade);
 		}
 		System.out.println("============================================");
-		for(Grade2 grade : gradeArray){
-			for(int i = 0; i < 3; i++){
-				sums[i] += grade.score[i];
-				sums[3] += grade.score[i];
-			}
+		System.out.print(String.format("%-10s", "Sum"));
+		for(int i = 0; i < 4; i++){
+			System.out.print(String.format("%-6d", Grade2.scoreSum[i]));
 		}
-		System.out.println(String.format("%-10s", "Sum") + String.format("%-6d", sums[0]) + String.format("%-6d", sums[1])
-		+ String.format("%-6d", sums[2]) + String.format("%-6d", sums[3]));
-		System.out.println(String.format("%-10s", "Avg") 
-		+ String.format("%-6.1f", (float)sums[0]/Grade2.studentCnt) + String.format("%-6.1f", (float)sums[1]/Grade2.studentCnt)
-		+ String.format("%-6.1f", (float)sums[2]/Grade2.studentCnt) + String.format("%-6.1f", (float)sums[3]/Grade2.studentCnt));
+		System.out.println();
+		System.out.print(String.format("%-10s", "Avg"));
+		for(int i = 0; i < 4; i++){
+			System.out.print(String.format("%-6.1f", (float)Grade2.scoreSum[i]/Grade2.studentCnt));
+		}
+		System.out.println();
 	}
 }

From 0a7bbb0a59cd1e7680074c0c350e21a246c67508 Mon Sep 17 00:00:00 2001
From: whiteWeed <wsd97931@gmail.com>
Date: Mon, 3 Jul 2017 09:57:22 +0900
Subject: [PATCH 4/6] =?UTF-8?q?=EA=B2=8C=EC=9E=84=EC=83=B5=204=20=EC=A0=9C?=
 =?UTF-8?q?=EC=B6=9C=ED=95=A9=EB=8B=88=EB=8B=A4~?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Solutions/whiteWeed/Game Shop/4/Armor.java    | 30 ++++++
 Solutions/whiteWeed/Game Shop/4/Item.java     | 35 +++++++
 Solutions/whiteWeed/Game Shop/4/Potion.java   | 33 +++++++
 Solutions/whiteWeed/Game Shop/4/Shop.java     | 92 +++++++++++++++++++
 .../whiteWeed/Game Shop/4/ShopTest2.java      | 56 +++++++++++
 Solutions/whiteWeed/Game Shop/4/Weapon.java   | 30 ++++++
 .../whiteWeed/Game Shop/4/equip_item.txt      |  5 +
 .../whiteWeed/Game Shop/4/potion_item.txt     |  5 +
 8 files changed, 286 insertions(+)
 create mode 100644 Solutions/whiteWeed/Game Shop/4/Armor.java
 create mode 100644 Solutions/whiteWeed/Game Shop/4/Item.java
 create mode 100644 Solutions/whiteWeed/Game Shop/4/Potion.java
 create mode 100644 Solutions/whiteWeed/Game Shop/4/Shop.java
 create mode 100644 Solutions/whiteWeed/Game Shop/4/ShopTest2.java
 create mode 100644 Solutions/whiteWeed/Game Shop/4/Weapon.java
 create mode 100644 Solutions/whiteWeed/Game Shop/4/equip_item.txt
 create mode 100644 Solutions/whiteWeed/Game Shop/4/potion_item.txt

diff --git a/Solutions/whiteWeed/Game Shop/4/Armor.java b/Solutions/whiteWeed/Game Shop/4/Armor.java
new file mode 100644
index 0000000..c350fa6
--- /dev/null
+++ b/Solutions/whiteWeed/Game Shop/4/Armor.java	
@@ -0,0 +1,30 @@
+/**
+ * 
+ */
+package whiteWeed.gameShop;
+
+/**
+ * <pre>
+ * whiteWeed.gameShop
+ *   |_Armor
+ * 
+ * 1. 개요 : 
+ * 2. 작성일 : 2017. 5. 29.
+ * </pre>
+ * 
+ * @author				:  Weed
+ * @version				:  1.0
+ */
+public class Armor extends Item {
+	private int defence;
+	
+	public Armor(String name, String description, int weight, int value, int defence){
+		super(name, description, weight, value);
+		this.defence = defence;
+	}
+	
+	public void describe(){
+		super.describe();
+		System.out.println("Defence       = " + this.defence);
+	}
+}
diff --git a/Solutions/whiteWeed/Game Shop/4/Item.java b/Solutions/whiteWeed/Game Shop/4/Item.java
new file mode 100644
index 0000000..85ddf1c
--- /dev/null
+++ b/Solutions/whiteWeed/Game Shop/4/Item.java	
@@ -0,0 +1,35 @@
+/**
+ * 
+ */
+package whiteWeed.gameShop;
+
+/**
+ * <pre>
+ * whiteWeed.gameShop
+ *   |_Item
+ * 
+ * 1. 개요 : 
+ * 2. 작성일 : 2017. 5. 18.
+ * </pre>
+ * 
+ * @author				:  Weed
+ * @version				:  1.0
+ */
+public class Item {
+	protected String name, description;
+	protected int weight, value;
+	
+	public Item(String name, String description, int weight, int value){
+		this.name = name;
+		this.description = description;
+		this.weight = weight;
+		this.value = value;
+	}
+	
+	public void describe(){
+		System.out.println("Name          = " + this.name);
+		System.out.println("Description   = " + this.description);
+		System.out.println("Weight        = " + this.weight + " lbs");
+		System.out.println("Value         = " + this.value + " gold coins");
+	}
+}
diff --git a/Solutions/whiteWeed/Game Shop/4/Potion.java b/Solutions/whiteWeed/Game Shop/4/Potion.java
new file mode 100644
index 0000000..b1534dd
--- /dev/null
+++ b/Solutions/whiteWeed/Game Shop/4/Potion.java	
@@ -0,0 +1,33 @@
+/**
+ * 
+ */
+package whiteWeed.gameShop;
+
+/**
+ * <pre>
+ * whiteWeed.gameShop
+ *   |_Potion
+ * 
+ * 1. 개요 : 
+ * 2. 작성일 : 2017. 6. 5.
+ * </pre>
+ * 
+ * @author				:  Weed
+ * @version				:  1.0
+ */
+public class Potion extends Item {
+	String type;
+	int capacity;
+	
+	public Potion(String name, String description, int weight, int value, String type, int capacity){
+		super(name, description, weight, value);
+		this.type = type;
+		this.capacity = capacity;
+	}
+	
+	public void describe(){
+		super.describe();
+		System.out.println("Type          = " + this.type);
+		System.out.println("Capacity      = " + this.capacity);
+	}
+}
diff --git a/Solutions/whiteWeed/Game Shop/4/Shop.java b/Solutions/whiteWeed/Game Shop/4/Shop.java
new file mode 100644
index 0000000..e683693
--- /dev/null
+++ b/Solutions/whiteWeed/Game Shop/4/Shop.java	
@@ -0,0 +1,92 @@
+/**
+ * 
+ */
+package whiteWeed.gameShop;
+
+import java.io.*;
+import java.util.*;
+
+/**
+ * <pre>
+ * whiteWeed.gameShop
+ *   |_Shop
+ * 
+ * 1. 개요 : 
+ * 2. 작성일 : 2017. 6. 5.
+ * </pre>
+ * 
+ * @author				:  Weed
+ * @version				:  1.0
+ */
+public class Shop {
+	String name;
+	Item[] itemsArray;
+	List<String> strList = new ArrayList<String>();
+	List<String[]> itemList = new ArrayList<String[]>();
+	List<Item> itemsList = new ArrayList<Item>();
+	
+	public Shop(String name, Item[] items){
+		this.name = name;
+		this.itemsArray = items;
+	}
+	
+	public Shop(String name, String fileName){
+		this.name = name;
+		String path = Shop.class.getResource("").getPath();
+		try{
+			BufferedReader br = new BufferedReader(new FileReader(path + fileName));
+			while(true){
+				String line = br.readLine();
+				if(line != null){ 
+					strList.add(line);
+				}else{
+					break;
+				}
+			}
+			br.close();
+		} catch(IOException e){
+			System.out.println("can't find file");
+		}
+	}
+	
+	public void splitData(){
+		for(String str : strList){
+			str = str.replaceAll("\"", "");
+			itemList.add(str.split(", "));
+			
+		}
+		for(String[] str : itemList){
+			if(str[0].equals("Potion") == true){
+				itemsList.add(new Potion(str[1], str[2], Integer.parseInt(str[3]), Integer.parseInt(str[4]), str[5], Integer.parseInt(str[6])));
+			}
+			else if(str[0].equals("Weapon") == true){
+				itemsList.add(new Weapon(str[1], str[2], Integer.parseInt(str[3]), Integer.parseInt(str[4]), Integer.parseInt(str[5])));
+			}
+			else if(str[0].equals("Armor") == true){
+				itemsList.add(new Armor(str[1], str[2], Integer.parseInt(str[3]), Integer.parseInt(str[4]), Integer.parseInt(str[5])));
+			}
+			else{
+				System.out.println("Invalid item type! Try check .txt file again.");
+			}
+		}
+	}
+	
+	public void showItemList(){
+		System.out.println("Welcome to " + this.name + " Shop!");
+		System.out.println("- Item List -");
+		for(Item item : itemsArray){
+			item.describe();
+			System.out.println();
+		}
+	}
+	
+	public void showItemArrayList(){
+		splitData();
+		System.out.println("Welcome to " + this.name + " Shop!");
+		System.out.println("- Item List -");
+		for(Item item : itemsList){
+			item.describe();
+			System.out.println();
+		}
+	}
+}
diff --git a/Solutions/whiteWeed/Game Shop/4/ShopTest2.java b/Solutions/whiteWeed/Game Shop/4/ShopTest2.java
new file mode 100644
index 0000000..f3f8ad4
--- /dev/null
+++ b/Solutions/whiteWeed/Game Shop/4/ShopTest2.java	
@@ -0,0 +1,56 @@
+/**
+ * 
+ */
+package whiteWeed.gameShop;
+
+import java.util.Scanner;
+
+/**
+ * <pre>
+ * whiteWeed.gameShop
+ *   |_ShopTest2
+ * 
+ * 1. 개요 : 
+ * 2. 작성일 : 2017. 7. 3.
+ * </pre>
+ * 
+ * @author				:  Weed
+ * @version				:  1.0
+ */
+public class ShopTest2 {
+	private static Shop[] shops = {
+			new Shop("Weapon/Armor", "equip_item.txt"),
+			new Shop("Potion", "potion_item.txt")
+	};
+	
+	private static Scanner sc = new Scanner(System.in);
+	
+	public static void main(String[] args) {
+		boolean end = true;
+		while(end) {
+			end = select();
+		}
+		sc.close();
+	}
+	
+	public static boolean select(){
+		System.out.println("- Shop Select -");
+		System.out.println("   1. Weapon/Armor Shop");
+		System.out.println("   2. Potion Shop");
+		System.out.println("   3. Exit");
+		System.out.println();
+		System.out.print("Select : ");
+		int selection = sc.nextInt();
+		sc.reset();
+		
+		if(selection > 3 || selection <= 0){
+			System.out.println("Invalid number! Try again.");
+			return true;
+		}
+		else if(selection <= 2){
+			shops[selection - 1].showItemArrayList();
+			return true;
+		}
+		return false;
+	}
+}
diff --git a/Solutions/whiteWeed/Game Shop/4/Weapon.java b/Solutions/whiteWeed/Game Shop/4/Weapon.java
new file mode 100644
index 0000000..a291c6d
--- /dev/null
+++ b/Solutions/whiteWeed/Game Shop/4/Weapon.java	
@@ -0,0 +1,30 @@
+/**
+ * 
+ */
+package whiteWeed.gameShop;
+
+/**
+ * <pre>
+ * whiteWeed.gameShop
+ *   |_Weapon
+ * 
+ * 1. 개요 : 
+ * 2. 작성일 : 2017. 5. 29.
+ * </pre>
+ * 
+ * @author				:  Weed
+ * @version				:  1.0
+ */
+public class Weapon extends Item {
+	private int damage;
+	
+	public Weapon(String name, String description, int weight, int value, int damage){
+		super(name, description, weight, value);
+		this.damage = damage;
+	}
+	
+	public void describe(){
+		super.describe();
+		System.out.println("Damage        = " + this.damage);
+	}
+}
diff --git a/Solutions/whiteWeed/Game Shop/4/equip_item.txt b/Solutions/whiteWeed/Game Shop/4/equip_item.txt
new file mode 100644
index 0000000..168a930
--- /dev/null
+++ b/Solutions/whiteWeed/Game Shop/4/equip_item.txt	
@@ -0,0 +1,5 @@
+"Weapon", "Sword", "Medium DMG", 3, 10, 10
+"Armor", "Cap", "Light Armor", 1, 5, 5
+"Armor", "Gloves", "Light Armor", 1, 5, 5
+"Weapon", "Axe", "High DMG", 5, 15, 15
+"Armor", "Boots", "Light Armor", 1, 5, 5
\ No newline at end of file
diff --git a/Solutions/whiteWeed/Game Shop/4/potion_item.txt b/Solutions/whiteWeed/Game Shop/4/potion_item.txt
new file mode 100644
index 0000000..30a9c21
--- /dev/null
+++ b/Solutions/whiteWeed/Game Shop/4/potion_item.txt	
@@ -0,0 +1,5 @@
+"Potion", "Small Health Potion", "Recovery 100 HP", 2, 5, "Health", 100
+"Potion", "Small Mana Potion", "Recovery 50 MP", 1, 30, "Mana", 50
+"Potion", "Medium Health Potion", "Recovery 200 HP", 4, 120, "Health", 200
+"Potion", "Medium Mana Potion", "Recovery 100 MP", 2, 75, "Mana", 100
+"Potion", "Large Health Potion", "Recovery 300 HP", 6, 200, "Health", 300
\ No newline at end of file

From 6f74a2691a531f579d042b53596ce8e6db5d0e79 Mon Sep 17 00:00:00 2001
From: whiteWeed <wsd97931@gmail.com>
Date: Mon, 17 Jul 2017 12:14:44 +0900
Subject: [PATCH 5/6] =?UTF-8?q?=EA=B2=8C=EC=9E=84=20=EC=83=81=EC=A0=90=204?=
 =?UTF-8?q?=EB=B2=88=20=EB=8B=A4=EC=8B=9C=20=EC=A0=9C=EC=B6=9C=ED=95=B4?=
 =?UTF-8?q?=EC=9A=94!?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Solutions/whiteWeed/Game Shop/4/Armor.java     | 2 +-
 Solutions/whiteWeed/Game Shop/4/Item.java      | 2 +-
 Solutions/whiteWeed/Game Shop/4/Potion.java    | 2 +-
 Solutions/whiteWeed/Game Shop/4/Shop.java      | 2 +-
 Solutions/whiteWeed/Game Shop/4/ShopTest2.java | 2 +-
 Solutions/whiteWeed/Game Shop/4/Weapon.java    | 2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/Solutions/whiteWeed/Game Shop/4/Armor.java b/Solutions/whiteWeed/Game Shop/4/Armor.java
index c350fa6..e98baea 100644
--- a/Solutions/whiteWeed/Game Shop/4/Armor.java	
+++ b/Solutions/whiteWeed/Game Shop/4/Armor.java	
@@ -15,7 +15,7 @@
  * @author				:  Weed
  * @version				:  1.0
  */
-public class Armor extends Item {
+public class Armor extends Item { //ㅁㄴㅇㄹ
 	private int defence;
 	
 	public Armor(String name, String description, int weight, int value, int defence){
diff --git a/Solutions/whiteWeed/Game Shop/4/Item.java b/Solutions/whiteWeed/Game Shop/4/Item.java
index 85ddf1c..5c3b46a 100644
--- a/Solutions/whiteWeed/Game Shop/4/Item.java	
+++ b/Solutions/whiteWeed/Game Shop/4/Item.java	
@@ -15,7 +15,7 @@
  * @author				:  Weed
  * @version				:  1.0
  */
-public class Item {
+public class Item { //ㅁㄴㅇㄹ
 	protected String name, description;
 	protected int weight, value;
 	
diff --git a/Solutions/whiteWeed/Game Shop/4/Potion.java b/Solutions/whiteWeed/Game Shop/4/Potion.java
index b1534dd..f3fb3a9 100644
--- a/Solutions/whiteWeed/Game Shop/4/Potion.java	
+++ b/Solutions/whiteWeed/Game Shop/4/Potion.java	
@@ -15,7 +15,7 @@
  * @author				:  Weed
  * @version				:  1.0
  */
-public class Potion extends Item {
+public class Potion extends Item { //ㅁㄴㅇㄹ
 	String type;
 	int capacity;
 	
diff --git a/Solutions/whiteWeed/Game Shop/4/Shop.java b/Solutions/whiteWeed/Game Shop/4/Shop.java
index e683693..589828d 100644
--- a/Solutions/whiteWeed/Game Shop/4/Shop.java	
+++ b/Solutions/whiteWeed/Game Shop/4/Shop.java	
@@ -18,7 +18,7 @@
  * @author				:  Weed
  * @version				:  1.0
  */
-public class Shop {
+public class Shop { //ㅁㄴㅇㄹ
 	String name;
 	Item[] itemsArray;
 	List<String> strList = new ArrayList<String>();
diff --git a/Solutions/whiteWeed/Game Shop/4/ShopTest2.java b/Solutions/whiteWeed/Game Shop/4/ShopTest2.java
index f3f8ad4..6322a29 100644
--- a/Solutions/whiteWeed/Game Shop/4/ShopTest2.java	
+++ b/Solutions/whiteWeed/Game Shop/4/ShopTest2.java	
@@ -17,7 +17,7 @@
  * @author				:  Weed
  * @version				:  1.0
  */
-public class ShopTest2 {
+public class ShopTest2 { //ㅁㄴㅇㄹ
 	private static Shop[] shops = {
 			new Shop("Weapon/Armor", "equip_item.txt"),
 			new Shop("Potion", "potion_item.txt")
diff --git a/Solutions/whiteWeed/Game Shop/4/Weapon.java b/Solutions/whiteWeed/Game Shop/4/Weapon.java
index a291c6d..35a8925 100644
--- a/Solutions/whiteWeed/Game Shop/4/Weapon.java	
+++ b/Solutions/whiteWeed/Game Shop/4/Weapon.java	
@@ -16,7 +16,7 @@
  * @version				:  1.0
  */
 public class Weapon extends Item {
-	private int damage;
+	private int damage; //ㅁㄴㅇㄹ
 	
 	public Weapon(String name, String description, int weight, int value, int damage){
 		super(name, description, weight, value);

From b9fb41520b1f504e4748e0fefb87258e43bf5e72 Mon Sep 17 00:00:00 2001
From: whiteWeed <wsd97931@gmail.com>
Date: Mon, 17 Jul 2017 12:17:36 +0900
Subject: [PATCH 6/6] =?UTF-8?q?=EC=84=B1=EC=A0=81=20=EA=B4=80=EB=A6=AC=20?=
 =?UTF-8?q?=EC=8B=9C=EC=8A=A4=ED=85=9C=202=EB=B2=88=20=EB=8B=A4=EC=8B=9C?=
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---
 Solutions/whiteWeed/Grade Management System/2/Grade2.java     | 2 +-
 Solutions/whiteWeed/Grade Management System/2/GradeTest2.java | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Solutions/whiteWeed/Grade Management System/2/Grade2.java b/Solutions/whiteWeed/Grade Management System/2/Grade2.java
index 73ce166..3ec92d7 100644
--- a/Solutions/whiteWeed/Grade Management System/2/Grade2.java	
+++ b/Solutions/whiteWeed/Grade Management System/2/Grade2.java	
@@ -15,7 +15,7 @@
  * @author				:  Weed
  * @version				:  1.0
  */
-public class Grade2 {
+public class Grade2 { //ㅁㄴㅇㄹ
 	private String name;
 	private short sum = 0, rank;
 	private float average;
diff --git a/Solutions/whiteWeed/Grade Management System/2/GradeTest2.java b/Solutions/whiteWeed/Grade Management System/2/GradeTest2.java
index 92f696e..657a4e0 100644
--- a/Solutions/whiteWeed/Grade Management System/2/GradeTest2.java	
+++ b/Solutions/whiteWeed/Grade Management System/2/GradeTest2.java	
@@ -17,7 +17,7 @@
  * @author				:  Weed
  * @version				:  1.0
  */
-public class GradeTest2 {
+public class GradeTest2 { //ㅁㄴㅇㄹ
 	
 	private static Scanner sc = new Scanner(System.in);
 	private static List<Grade2> gradeArray = new ArrayList<Grade2>();