实现接口使用

package w0628;

public class TestInterface {

    public static void main(String[] args) {
               X x = new X();
                A a= x;
               B b =x;
               a.m1();
               b.m2();
    }

}
interface A{
    public abstract void m1();
}    

interface B{
    public abstract void m2();
}

class X implements A,B{
    public void m1(){
        System.out.println("A接口的方法");
    }
    public void m2(){
        System.out.println("B接口的方法");
    }
}