你能答对几个
1.System.out.println(2 + 3 & 3 + 2); //5
2.System.out.println(2 + 3?<< 3 );? //40
3.System.out.println(8 + 3 ^ 3 + 1); //15
4.System.out.println(3 + 3 | 3 + 2);? //7
