内部类

package cn.inner;

public class TestInner {
    private String name = "huhu";
    private int age = 15;
    public static String master = "王先生";

    public TestInner() {
        new dog().sleep();//01外部类调用内部类的属性和方法
    }

    public void eat(String foodName) {
        System.out.println(name + "吃" + foodName);//02
    }

    public void yell() {
        System.out.println(name + "在叫喊！！！");
    }

    class dog {
        private String name = "狼犬";

        public void sleep() {
            eat("肉！！！");//02 内部类调用外部类的属性和方法
            System.out.println(name + "在睡覺！！！"+",   "+name+"的名字叫"+TestInner.this.name);//03内部类调用外部类的属性
        }
    }

    public static void main(String[] args) {
        //04 main 方法里创建内部类的构造方法 
        TestInner t1=new TestInner();        
        dog d=t1.new dog();
        d.sleep();
    }
}