java阅读题正确答案阅读题

Question

、 class A1 { protected double x = 10, y = 12.56; public void speak() { System.out.println("我喜欢NBA"); } public void cry() { y = x + y; System.out.println("y= "+ y); }}class B1 extends A1 { int y = 100, z; public void speak() { z = 2 * y; System.out.println("I love This Game"); System.out.println(" y= "+y+" z= "+z); }}public class Example { public static void main(String args[]) { B1 b = new B1(); b.cry(); b.speak(); }}

Answer 1

运行结果：

y= 22.560000000000002
I love This Game
 y= 100 z= 200