boolean a = true; // a同意 boolean b = false; // b反對(duì) boolean c = false; // c反對(duì) boolean d = true; // d同意 ? ?System.out.println((a&&b)+"未通過(guò)");? ? ? ? System.out.println((a||b)+"通過(guò)")；//提示錯(cuò)誤The left-hand side of an assignment must be a variable? ? ? ? System.out.println((!d)+"未通過(guò)");? ? ? ? System.out.println((c^d)+"通過(guò)");