2020.4.23.第八周上机作业

3、定义一个笔记本类,该类有颜色(char)和cpu
型号(int)两个属性。 [必做题]
• 3.1 无参和有参的两个构造方法;有参构造方法可
以在创建对象的同时为每个属性赋值;
• 3.2 输出笔记本信息的方法
• 3.3 然后编写一个测试类,测试笔记本类的各个
方法

package kksk;

public class kksk {
    char colour;
    int  number;
    void note (){
    }
    void note(char colour ,int number)
    {
        this.colour=colour;
        this.number=number;
    }
    void a()
    {
        System.out.println("颜色:"+colour+"型号"+number);
        
    }
     public static void main(String[] args)
     {
         note a =new note ('a',6589);
         a.a();
     }
}
package kksk;

public class note {
    char colour;
    int  number;
    note (){
    }
    note(char colour ,int number)
    {
        this.colour=colour;
        this.number=number;
    }
    void a()
    {
        System.out.println("颜色:"+colour+"型号"+number);
        
    }
     public static void main(String[] args)
     {
         note a =new note ('a',6589);
         a.a();
     }
}

5、定义两个类,描述如下: [必做题]
• 5.1定义一个人类Person:
• 5.1.1定义一个方法sayHello(),可以向对方发出问
候语“hello,my name is XXX”
• 5.1.2有三个属性:名字、身高、体重
• 5.2定义一个PersonCreate类:
• 5.2.1创建两个对象,分别是zhangsan,33岁,1.73
;lishi,44,1.74
• 5.2.2分别调用对象的sayHello()方法。

package kksk;

public class kksk {
    String name;
    double height;
    int age;

   void note(String name, double height, int age) {
        this.name = name;
        this.height = height;
        this.age = age;
    }

    void sayHello() {
        System.out.println("hello,my name is  " + name+" "+height+"m"+" "+age+"岁");
    }
    public static void main(String[] args)
    {
    note a = new note();
     

    a.sayHello();
    

}
}
package kksk;

public class note {
    String name;
    double height;
    int age;

   void note(String name, double height, int age) {
        this.name = name;
        this.height = height;
        this.age = age;
    }

    void sayHello() {
        System.out.println("hello,my name is  " + name+" "+height+"m"+" "+age+"岁");
    }
    public static void main(String[] args)
    {
    note a = new note();
     

    a.sayHello();
    

}
}

 
posted @ 2020-04-23 12:00  恶魔薄荷樱玖  阅读(135)  评论(0编辑  收藏  举报