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