编写程序实现比萨制作。需求说明编写程序,接收用户输入的信息,选择需要制作的比萨。可供选择的比萨有:培根比萨和海鲜比萨。
实现思路及关键代码
1)分析培根比萨和海鲜比萨
2)定义比萨类
3)属性:名称、价格、大小
4)方法:展示
5)定义培根比萨和海鲜比萨继承自比萨类
6)定义比萨工厂类,根据输入信息产生具体的比萨对象
Pizza.java
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package zuoye; import java.util.Scanner; //父类 public class Pizza { String name; double price; int size; public Pizza(String name){ this .name=name; } public void display(){ Scanner sc= new Scanner(System.in); System.out.println( "请输入披萨大小:" ); size=sc.nextint(); System.out.println( "请输入披萨价格:" ); price=sc.nextdouble(); } } |
PeiGen.java
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package zuoye; import java.util.Scanner; //子类培根披萨 public class PeiGen extends Pizza { // double weight; public PeiGen(String name) { super (name); } public double peigen() { System.out.println( "输入培根克数:" ); Scanner s = new Scanner(System.in); return s.nextdouble(); } } |
SeaFood.java
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package zuoye; import java.util.Scanner; //子类海鲜披萨 public class SeaFood extends Pizza{ public SeaFood(String name) { super (name); } public String seafood() { System.out.println( "输入配料信息:" ); Scanner s= new Scanner(System.in); String peiliao=s.next(); return peiliao; } } |
Work.java
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package zuoye; import java.util.Scanner; public class Work { public static void main(String[] args) { System.out.println( "请选择想要的披萨(1.培根披萨 2.海鲜披萨)" ); Scanner s = new Scanner(System.in); int n = s.nextint(); if (n == 1 ) { PeiGen pg = new PeiGen( "培根披萨" ); double b=pg.peigen(); pg.display(); System.out.println( "名称" + pg.name + "\n价格:" + pg.price + "\n大小:" + pg.size + "\n培根克数:" +b); } else if (n == 2 ) { SeaFood sf = new SeaFood( "海鲜披萨" ); String a=sf.seafood(); sf.display(); System.out.println( "名称" + sf.name + "\n价格:" + sf.price + "\n大小:" + sf.size + "\n配料:" +a); } } } |
结果展示:
总结
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原文链接:http://blog.csdn.net/u012060033/article/details/76098807