学习打卡第五天

Posted 2021-11-22 sucker

 1 package com.coin.concept;
 2 
 3 public class Component {
 4     private String name;
 5     private int price;
 6     public Component(String name , int price ) 
 7     {
 8         this.name = name ;
 9         this.price = price ;
10     }
11     public String description() 
12     {
13         StringBuilder s = new StringBuilder();
14         s.append("Name {")
15         .append(name)
16         .append("} Price{")
17         .append(price)
18         .append("} ");
19         return s.toString();
20     } 
21     public String getName() {
22         return name;
23     }
24     public void setName(String name) {
25         this.name = name;
26     }
27     public int getPrice() {
28         return price;
29     }
30     public void setPrice(int price) {
31         this.price = price;
32     }
33     public static void main(String[] args) {
34         // TODO Auto-generated method stub
35 
36     }
37 
38 }

1 package com.coin.concept;
2 
3 public interface Workable {
4     void work();
5 
6 }

 1 package com.coin.imp;
 2 import com.coin.type.*;
 3 public class AMDCPU extends CPU {
 4     public AMDCPU (String name , int price , int codeNumber ) 
 5     {
 6         super(name , price ,  codeNumber);
 7     }
 8     public void work() 
 9     {
10         System.out.println("This is CMD CPU working");
11     }
12 }

 1 package com.coin.imp;
 2 import com.coin.type.*;
 3 public class IntelCPU extends CPU {
 4     public IntelCPU(String name , int price , int codeNumber) 
 5     {
 6         super(name , price , codeNumber ); 
 7     }
 8     public void work() 
 9     {
10         System.out.println("This is Inter CPU working");
11     }
12 
13 }

 1 package com.coin.imp;
 2 import com.coin.type.*;
 3 public class SamsungDisk extends Disk {
 4     public SamsungDisk(String name , int price , int capacity)
 5     {
 6         super(name , price ,capacity);
 7     }
 8     public void work() 
 9     {
10         System.out.println("This is Samsung Disk working");
11     }
12 }

 1 package com.coin.imp;
 2 import com.coin.type.*;
 3 public class SeagateDisk extends Disk {
 4     public  SeagateDisk(String name , int price , int capacity) 
 5     {    
 6         super(name , price , capacity);
 7     }
 8     public void work() 
 9     {
10         System.out.println("This is Seagate Disk working");
11     }
12 }

 1 package com.coin.type;
 2 import com.coin.concept.*;
 3 public abstract class CPU extends Component implements Workable {
 4     private int codeNumber;
 5     public CPU(String name, int price) 
 6     {
 7         super(name, price);
 8     }
 9     public CPU(String name , int price , int codeNumber) 
10     {
11         super(name , price);
12         this.codeNumber = codeNumber;
13     }
14     public abstract void work();
15     @Override
16     public String description() 
17     {
18         StringBuilder s = new StringBuilder();
19         s.append(super.description())
20         .append("CodeNumber:")
21         .append(codeNumber)
22         .append("    ");
23         return s.toString();
24     }
25 }

 1 package com.coin.type;
 2 import com.coin.concept.*;
 3 public abstract class Disk extends Component implements Workable {
 4     private int capacity;
 5     public Disk(String name, int price) 
 6     {
 7         super(name, price);
 8     }
 9     public Disk(String name , int price , int capacity) 
10     {
11         super(name , price );
12         this.capacity = capacity ;
13     }
14     @Override
15     public String description() 
16     {
17         StringBuilder s = new StringBuilder();
18         s.append(super.description())
19         .append("capacity:")
20         .append(capacity)
21         .append("MB")
22         .append("    ");
23         return s.toString();
24     }
25     public abstract void work();
26 
27 }

 1 package com.coin.product;
 2 import com.coin.concept.*;
 3 import com.coin.type.*;
 4 public class Computer extends Component implements Workable {
 5     private CPU cpu;
 6     private Disk disk;
 7     public Computer(String name , CPU cpu , Disk disk ) 
 8     {
 9         super(name , -1 );
10         this.cpu = cpu;
11         this.disk = disk;
12         super.setPrice(cpu.getPrice()+disk.getPrice());
13     }
14     @Override
15     public String description() 
16     {
17         StringBuilder s = new StringBuilder();
18         s.append(super.description())
19         .append("   ")
20         .append(cpu.description())
21         .append(disk.description());
22         
23         return s.toString();
24     }
25     public void work() 
26     {
27         cpu.work();
28         disk.work();
29     }
30 }

 1 package com.coin.product;
 2 import com.coin.type.*;
 3 import com.coin.imp.*;
 4 public class ComputerStore {
 5 
 6     public static void main(String[] args) {
 7         //定义第一台电脑的配件
 8         CPU intelCpu  = new IntelCPU("Intel",1800,6);
 9         Disk seagate = new SeagateDisk("Seagate",100,8192);
10         
11         //组装第一台电脑
12         Computer computer1 = new Computer("computer 1" , intelCpu , seagate);
13         System.out.println(computer1.description());
14         System.out.println("Computer 1 work:");
15         computer1.work();
16         //定义第二胎电脑的配件
17         CPU ADMCPU  = new AMDCPU("AMD",1300,8);
18         Disk samsung = new SamsungDisk("Samsung",50,4096);
19         //组装第二台电脑
20         Computer computer2 = new Computer("computer 2" , ADMCPU , samsung);
21         System.out.println(computer2.description());
22         System.out.println("Computer 2 work:");
23         computer2.work();
24     }
25 
26 }

以上是我今日所写的一个小的系统，按照教学视频来做的，运用了一直以来学习的很多内容，使我好好地巩固了之前的知识，也让我更加了解项目的结构，需要注意的地方，在写项目之前需要画一个草图，去想想怎么去提取类中共有的元素，去写成一个父类，需要多个类实现的方法就去定义一个接口，去实现接口。