外部类调用内部类成员，方法；；

public class person {

public int age;

public Heart getHeart() {

//new Heart().temp = 10; 如果把这个梵高getHeart()方法外面就会报错，求解

return new Heart();

}

public void eat() {

System.out.println("人会吃东西");

}

class Heart{

int age=13;

int temp = 12;

public void eat() {

System.out.println("我也要吃东西");

}

public String beat(){

//person.this.eat();

return age+"心脏在跳动";

}

}

}