this

概述

Java虚拟机会给每一个对象分配this，代表当前对象

示例

示例1

public class This{
    public static void main(String[] args){
    Dog dog1 = new Dog("Tom",3);
    dog1.info();
    }
}

class Dog{
    String name;
    int age;
    public Dog(String dName,int dAge){
        name = dName;
        age = dAge;
    }

    public void info(){
        System.out.println(name + "\t" + age);
    }
}

示例2

public class This{
    public static void main(String[] args){
    Dog dog1 = new Dog("Tom",3);
    dog1.info();
    }
}

class Dog{
    String name;
    int age;
    public Dog(String name,int age){
        this.name = name;
        this.age = age;
    }

    public void info(){
        System.out.println(name + "\t" + age);
    }
}

示例3

public class This{
    public static void main(String[] args){
    Dog dog1 = new Dog("Tome",13);
    dog1.info();
    }
}

class Dog{
    String name;
    int age;
    public Dog(String Dname,int Dage){
        this.name = Dname;
        this.age = Dage;
    }

    public void info(){
        System.out.println(name + "\t" + age);
    }
}