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  • 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();
        
    
    }
    }
    
    
     
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  • 原文地址:https://www.cnblogs.com/megumin/p/12759864.html
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