<script>//this就是当前对象let p = {     name: "zs",age: 20,show: function () {console.log(this.name + "--" + this.age);}}document.write(  p.name);document.write(   p.age);p.show();</script>

public class Test {public static void main(String[] args) {Person p = new Person("zs",9);//此时的this就是Person对象 pp.getAge();System.out.println( p.getName());}
}
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;}
}