package com.imooc;

//1.定义一个类

public class Telphone {

    //2.属性（成员变量）有什么

    float screen;

    float cpu;

    float mem;

    //3.方法干什么

    void call(){

        System.out.println("Telphone有打电话的功能！");

    }

    void sendMessage(){

        System.out.println("screen:"+screen+" cpu:"+cpu+" mem:"+mem+" Telphone有发短信的功能！");

    }

}

package com.imooc;

public class InitialTelphone {

    public static void main(String[] args) {

        // TODO Auto-generated method stub

        Telphone phone = new Telphone();

        phone.sendMessage();

        //给实例变量赋值

        phone.cpu = 1.4f;

        phone.mem = 2.0f;

        phone.screen = 5.0f;

        //调用对象的方法

        phone.sendMessage();

    }

}