public class TestIf {
    public static void main(String args[]){
        int i = 1;
        int y = 1;
//        if(i = y){Compile Error
//            
//        }
        
        boolean a = true;
        boolean b = true;
        if(a = b){
            System.out.println("a == b");
        }
        
        b = false;
        a = false;
        if(a = b){
            System.out.println("a == b");
        } else {
            System.out.println("a != b");
        }
        
        for(int k = 0; a = b; k++){
            if(k < 3)
            System.out.println("a == b");
        }
        
        for(int k = 0; !(a = b); k++){//bug if there is no break, for loop will not stop, and print a lot of "Tricky a != b", k will become negative value after numerous increment.
            if(k < 1)
                System.out.println("Tricky a != b");
            //break;
        }
        
    }
}