implement Entity class

Java-Knight/src/main/java/org/project/entity/Entity.java

@@ -1,19 +1,41 @@
 package org.project.entity;
 
-public interface Entity {
-    void attack(Entity target);
+import org.project.item.weapons.Weapon;
 
-    void defend();
+public abstract class Entity {
 
-    void heal(int health);
+    private Weapon weapon;
+    private int hp;
+    private int maxHP;
 
-    void fillMana(int mana);
 
-    void takeDamage(int damage);
+    public Entity(Weapon weapon, int hp, int maxHP) {
+        this.weapon = weapon;
+        this.hp = hp;
+        this.maxHP = maxHP;
+    }
 
-    int getMaxHP();
+    public boolean isAlive() {
+        if(hp>0)
+            return true;
 
-    int getMaxMP();
+        return false;
+    }
+
+    public abstract void attack(Entity target);
+
+    public void heal(int health) {
+        hp += health;
+        if (hp > maxHP) {
+            hp = maxHP;
+        }
+    }
+
+    public void takeDamage(int damage) {hp -= weapon.getDamage();}
+
+    public int getMaxHP() {return maxHP;}
+    public int getHP() {return hp;}
+    public Weapon getWeapon() {return weapon;}
 
     /*
     TODO: ADD OTHER REQUIRED AND BONUS METHODS