day4 test01

package day4;class Person{int age;//成员变量age描述对象的年龄属性String name;public void run()//成员方法run()来描述对象的行为{//String name = "lisi";System.out.println(this.name + " is running！！！");}}public class test01 {public static void main(String args[]){Person p1 = new Person();System.out.println(p1.age);System.out.println(p1.name);p1.name = "zhangsan";p1.run();Person p2 = new Person();p2.name = "wangwu";p2.run();new Person().run();//匿名对象doXX(new Person());}public static void doXX(Person p){p.name = "lisi";p.run();}}