fixed gradle errors and made version.properties work with gradle

build.gradle.kts

@@ -8,13 +8,21 @@
  * This is the main build file.
  */
 
+import java.util.Properties
+import java.io.FileInputStream
+
+val versionProperties = Properties()
+file("src/main/resources/version.properties").takeIf { it.exists() }?.let {
+    versionProperties.load(FileInputStream(it))
+}
+
 plugins {
     id("java")
     id("application")
 }
 
 group = "org.example"
-version = "1.0-SNAPSHOT"
+version = versionProperties.getProperty("version", "0.0-VERSION-ERROR")
 
 repositories {
     mavenCentral()
@@ -34,4 +42,18 @@ tasks.test {
 application {
     mainClass.set("com.CDPrintable.Main")
     applicationDefaultJvmArgs = listOf("-Djava.library.path=build/libs")
+}
+
+java {
+    toolchain {
+        languageVersion.set(JavaLanguageVersion.of(22))
+    }
+}
+
+tasks.named<Jar>("jar") {
+    manifest {
+        attributes(
+            "Main-Class" to "com.CDPrintable.Main"
+        )
+    }
 }

src/main/java/com/CDPrintable/Constants.java

@@ -10,9 +10,27 @@
 
 package com.CDPrintable;
 
+import java.io.InputStream;
+import java.util.Properties;
+
 public class Constants {
     // MAJOR MINOR PATCH
-    public static final String VERSION = "1.6.4";
+    public static final String VERSION;
+    static {
+        Properties prop = new Properties();
+        String tempVersion = "0.0.0"; // Default version
+        try (InputStream input = Constants.class.getClassLoader().getResourceAsStream("version.properties")) {
+            if (input != null) {
+                prop.load(input);
+                tempVersion = prop.getProperty("version");
+            } else {
+                System.err.println("version.properties not found in resources.");
+            }
+        } catch (Exception e) {
+            System.err.println("Failed to load version.properties: " + e.getMessage());
+        }
+        VERSION = tempVersion;
+    }
 
     public static final boolean USER_AGENT_EMAIL_CHANGED = false;
 

src/main/resources/version.properties

@@ -0,0 +1,4 @@
+# Application version.
+
+# MAJOR MINOR PATCH
+version=1.7.5