package com.sun;

public class Demo05 {

    /**

     * @param args

     */

    public static void main(String[] args) {

        // TODO Auto-generated method stub

            Cat cat1 = new Cat();

            cat1.setName("Tom").setAge(20).say();

    }

}

class Cat{

    public String name;

    public int age;

    public void say(){

        System.out.println(this.name + "is " + this.age + "saying");

    }

    public Cat setName(String name) {

        this.name = name;

        return this;

    }

    public Cat setAge(int age) {

        this.age = age;

        return this;

    }

}