测试

//Person类定义
public class Person {
    private String name;
    private int age;

    public Person() {
    }

    public Person(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    void eat(String food) {
        System.out.println("eat " + food);
    }

    protected void drink(String drink) {
        System.out.println("drink " + drink);
    }

    @Override
    public String toString() {
        // TODO Auto-generated method stub
        return ("name: " + name + "age: " + age);
    }
}