void (int x, String y) { String s = "" + x; s = x + ""; s = y; //warn s = y; //warn s = x + y; //warn s = x + y; //warn s = y + x; //warn s = x + "" + x; s = y + y; //warn s = y + x; //warn s = x + x + ""; s = "x"; //warn s = "" + x; //warn s = "" + x + 1; //warn s = 1 + "" + x + 1; //warn s = "" + 1 + x + 1; //warn }