0_0_21791534_17785\Main.java:41: 错误: 需要')' if(a.xor(x).equals(b.xor(y))) System.out.println(("Case " + i + ": "+"Yes"); ^ 0_0_21791534_17785\Main.java:43: 错误: 需要')' else System.out.println(("Case " + i + ": "+"No"); ^ 2 个错误