下面是一个简单的程序,测试测试布尔运算符和布尔表达式,请写出程序运行结果。 public class BooleanTest { private boolean x; private boolean y; public BooleanTest() { x = true; y = false; } public void express() { boolean b1 = !x; boolean b2 = !y; boolean b3 = x && y; boolean b4 = x && b2; boolean b5 = x || y; boolean b6 = b1 || y; boolean b7 = x || b2; System.out.println(b1 + "\n" + b2 + "\n" + b3 + "\n" + b4 + "\n" + b5 + "\n" + b6 + "\n" + b7 + "\n"); } public static void main(String args[]) { BooleanTest m = new BooleanTest(); m.express(); } }