change pom.xml to use JDK21

Java-Knight/pom.xml

@@ -9,8 +9,8 @@
     <version>1.0-SNAPSHOT</version>
 
     <properties>
-        <maven.compiler.source>25</maven.compiler.source>
-        <maven.compiler.target>25</maven.compiler.target>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 

Java-Knight/src/main/java/org/project/entity/players/combatOptions.java

@@ -0,0 +1,13 @@
+package org.project.entity.players;
+
+import org.project.entity.Entity;
+import org.project.entity.enemies.Enemy;
+
+public interface combatOptions {
+
+    void lightAttack(Entity target);
+    void heavyAttack(Entity target);
+    void defend();
+    void heal();
+    void specialAbility();
+}