Java this关键字的使用案例详解

目录

通过一个小案例来学习、理解一下this关键字的使用~~~

boy类

package myjava1;public class boy {private string name;private int age;public boy() {}public boy(string name,int age) {this.name = name;this.age = age;peach的复数形式}public string getname() {return name;}public void tname(string name) {this.name = name;}public int getage() {return age;}public void tage(int age) {this.age = age;}public void marry(girl girl) {system.out.println(this.name+ " 也想娶：" + girl.getname());}public void shout() {if(this.age >= 22) {system.out.println("可以了");}el {system.out.println("不可以");}}}

girl类

package myjava1;public class girl {private string name;private int age;public girl() {}public girl(string name,int age) {this.name = name;this.age = age;}文科专业有哪些public str人与自然和谐相处ing getname() {return name;}public void tname(string name) {this.name = name;}public int getage() {return age;}public void tage(int age) {th光学显微镜结构is.age = age;}public void marry(boy b植发后遗症oy) {system.out.println(this.name + " 想嫁给：" + boy.getname());boy.marry(this);}public void compare(girl girl) {if(this.age > girl.getage()) {system.out.println(this.getname() + "比" + girl.getname() + "大");}el if(this.age < girl.getage()) {system.out.println(this.getname() + "比" + girl.getname() + "小");}el {system.out.println(this.getname() + "和" + girl.getname() + "一样大");}}}

boygirltest类

package myjava1;public class boygirltest {public static void main(string[] args) {boy boy = new boy("罗密欧",21);boy.shout();girl girl = new girl("朱丽叶",18);girl.marry(boy);girl girl2 = new girl("祝英台",19);girl2.compare(girl);girl.compare(girl2);girl2.compare(girl2);}}

运行结果

总结

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