Delegate

    //void
    delegate void DelegateMethod();

    //int
    delegate int DelegateInteger(int a, int b);

    //Use this for initialization
    void Start (){

    //void
        DelegateMethod del = new DelegateMethod(FirstDelegate);
        del();
        del = SecondDelegate;
        del();



    //int
        DelegateInteger delInt = new DelegateInteger(FirstDelegateInt);
        int add = delInt(7,3);
        print(add);
        delInt = SecondDelegateInt;
        int sub = delInt(103,3);
        print(sub);
    }

    //void
    void FirstDelegate(){
        print("First");
    }

    void SecondDelegate(){
        print("Second");
    }

    //int
    public int FirstDelegateInt(int a, int b){
        return a + b;
    }
    public int SecondDelegateInt(int a, int b){
        return a - b;
    }