编辑代码

public class Person { //一个java程序是若干个对象的集合
    private String name;
    private int age;

    public Person(){
        System.out.println("实例属性未设置");
    }
    public Person(int age, String name){
        this.age = age;
        this.name = name;
        //System.out.println("age:" + age + "\n" + "name:" + name+ "\n");
    }

    public int getAge(){
        return this.age;
    }
    public String getName(){
        return this.name;
    }
    public void setAge(int age){
        this.age = age;
    }
    public void setName(String name){
        this.name = name;
    }
    public void eat(){
        System.out.println("eat √");
    }

    public static void main(String[] args){
        String name = "小明";
        int age = 5;
        Person xiaoming = new Person(age, name);

        xiaoming.getAge();
        xiaoming.getName();
        xiaoming.eat();

        xiaoming.setAge(10);
        xiaoming.getAge();
    }
}