thisuse.java

来自「用java编写的一些初级代码」· Java 代码 · 共 41 行

class Person3
{
    private String name ;
    private int  age ;
    public void setName(String name ){
	this.name=name;
    }
    public String getName(){
	return this.name;
    }
    public Person3()
    {
    }
    public Person3(String name)
    {
	this.name=name;
    }
    public Person3(String name,int age)
    {
	this(name);    //这里用this 
	this.age=age;
    }
    public void shout()
    {
	System.out.println("not at all");
    }
}
public class thisuse 
{
    public static void main (String [] args)
    {
	Person3 p1= new Person3();
	p1.shout();
	Person3 p2= new Person3("dog");
	p2.shout();
	Person3 p3= new Person3("cat",2);
	p3.shout();
    }
}