block/castle/farm

public class castle extends block{
    public boolean isArmored;
    public int foodProd;
    public int goldProd;
    public int level;
    public int gold;
    public int health;
    public float armor;
    public castle(int x, int y,boolean isAvailable, boolean isWalkable, boolean isArmored, int foodProd, int goldProd) {
        super(x, y, isAvailable, isWalkable);
        this.foodProd = foodProd;
        this.goldProd = goldProd;
        this.isArmored = isArmored;
        this.level = 1;
        this.gold = 50;
        this.health = 10;
        this.armor = (float) 1.0;
    }
    public void buildArmor(){
        if(!isArmored && gold > 100){
            isArmored = true;
            gold-=100;
        }
    }
    public void attacked(int damage){
        if(!isArmored){
            health -= damage*armor;
        }
        isArmored = false;
    }
    public void levelIncr(){
        level++;
        armor*=0.9;
        health+=health*0.2;
    }
    public void check(){
        if(level<=5){
            for (int i = -1; i <= 1; i++) {
                for (int j = -1; j <= 1; j++) {

                }
            }
        }
    }
}
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public class farm extends block {
    public farm( int x, int y,boolean isAvailable, boolean isWalkable) {
        super(x, y, isAvailable, isWalkable);
    }
}
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public class block {
    public boolean isAvailable;
    public boolean isWalkable;
    public int x,y;
    public block( int x, int y,boolean isAvailable, boolean isWalkable){
        this.isAvailable = isAvailable;
        this.isWalkable = isWalkable;
        this.x = x;
        this.y = y;
    }

}