diff --git a/.idea/2025-software-dev-problem-set.iml b/.idea/2025-software-dev-problem-set.iml
new file mode 100644
index 0000000..d6ebd48
--- /dev/null
+++ b/.idea/2025-software-dev-problem-set.iml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/solutions/.idea/.gitignore b/solutions/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ b/solutions/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/solutions/.idea/misc.xml b/solutions/.idea/misc.xml
new file mode 100644
index 0000000..31e1ebc
--- /dev/null
+++ b/solutions/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_23" default="true" project-jdk-name="openjdk-23" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/solutions/.idea/modules.xml b/solutions/.idea/modules.xml
new file mode 100644
index 0000000..7d282b8
--- /dev/null
+++ b/solutions/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/solutions.iml" filepath="$PROJECT_DIR$/.idea/solutions.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/solutions/.idea/solutions.iml b/solutions/.idea/solutions.iml
new file mode 100644
index 0000000..b107a2d
--- /dev/null
+++ b/solutions/.idea/solutions.iml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/solutions/.idea/vcs.xml b/solutions/.idea/vcs.xml
new file mode 100644
index 0000000..6c0b863
--- /dev/null
+++ b/solutions/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/solutions/Group_Anagram.java b/solutions/Group_Anagram.java
new file mode 100644
index 0000000..398ea5b
--- /dev/null
+++ b/solutions/Group_Anagram.java
@@ -0,0 +1,19 @@
+import java.util.*;
+
+public class Group_Anagram {
+    public List<List<String>> groupAnagrams(String[] strs) {
+        Map<String, List<String>> res = new HashMap<>;
+
+        for(String s : strs){
+            int[] count = new int[26];
+            for(char c : s.toCharArray()){
+                count[c - 'a']++;
+            }
+
+            String key = Arrays.toString(count);
+            res.putIfAbsent(key, new ArrayList<>);
+            res.get(key).add(s);
+        }
+        return new ArrayList<>(res.values());
+    }
+}
diff --git a/solutions/Two_Sum.java b/solutions/Two_Sum.java
new file mode 100644
index 0000000..bce825d
--- /dev/null
+++ b/solutions/Two_Sum.java
@@ -0,0 +1,20 @@
+import java.util.HashMap;
+
+public class Two_Sum {
+        public int[] twoSum(int[] nums, int target) {
+            HashMap<Integer, Integer> prevMap = new HashMap<>();
+
+            for (int i = 0; i < nums.length; i++) {
+                int num = nums[i];
+                int diff = target - num;
+
+
+                if (prevMap.containsKey(diff)) {
+                    return new int[]{prevMap.get(diff), i};
+                }
+                prevMap.put(num, i);
+            }
+            return new int[]{};
+        }
+    }
+
diff --git a/solutions/exercise solutions.js b/solutions/exercise solutions.js
new file mode 100644
index 0000000..e69de29