java this关键字

this调用构造器

package lesson.l11_oop2;


public class Girl {
    private String name;
    private Integer age;

    public Girl() {

    }

    public Girl(String name, Integer age) {
        this.name = name;
        this.age = age;
    }

    public String getName() {
        return name;
    }

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

    public Integer getAge() {
        return age;
    }

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

    public void marry(Boy boy) {
        System.out.println("marry" + boy.getName());
        boy.marry(this);
    }

    public int compare(Girl girl) {
        System.out.println("compare" + girl.getName());
       
        return this.getAge()- girl.getAge();
    }
}