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  • 小明逛超市

    abstract class Goods{
    private String name;
    private float price;
    private int count;
    public Goods(String name,float price,int count){
    this.setName(name);
    this.setPrice(price);
    this.setCount(count);
    }
    public void setName(String name){
    this.name=name;
    }
    public void setPrice(float price){
    this.price=price;
    }
    public void setCount(int count){
    this.count=count;
    }
    public String getName(){
    return this.name;
    }
    public float getPrice(){
    return this.price;
    }
    public int getCount(){
    return this.count;
    }
    public abstract String getlnfo();
    public String getlnfo1(){
    return"品名:"+this.getName()+" 单价:"+this.getPrice()+" 数量:"+this.getCount();
    }
    }
    class Books extends Goods{
    private String author;
    private String publish;
    public Books(String name,float price,int count,String author,String publish){
    super(name,price,count);
    this.setAuthor(author);
    this.setPublish(publish);
    }
    public void setAuthor(String author){
    this.author=author;
    }
    public String getAuthor(){
    return this.author;
    }
    public void setPublish(String publish){
    this.publish=publish;
    }
    public String getPublish(){
    return this.publish;
    }
    public String getlnfo(){
    return "书名:"+this.getName()+" 单价:"+this.getPrice()+" 作者:"+this.getAuthor()+" 出版社:"+this.getPublish()
    +" 数量:"+this.getCount()+" 总价:"+this.getPrice()*this.getCount();
    }
    public String getlnfo1(){
    return "品名:"+this.getName()+" 单价:"+this.getPrice()+" 数量:"+this.getCount();
    }
    }
    class Cloths extends Goods{
    private String title;
    private String style;
    public Cloths(String name,float price,int count,String title,String style){
    super(name,price,count);
    this.setTitle(title);
    this.setStyle(style);
    }
    public void setTitle(String title){
    this.title=title;
    }
    public String getTitle(){
    return this.title;
    }
    public void setStyle(String style){
    this.style=style;
    }
    public String getStyle(){
    return this.style;
    }
    public String getlnfo(){
    return "品名:"+this.getName()+" 单价:"+this.getPrice()+
    " 品牌:"+this.getTitle()+" 款式:"+this.getStyle()+
    " 数量:"+this.getCount()+"总价:"+this.getPrice()*this.getCount();
    }
    public String getlnfo1(){
    return "品名:"+this.getName()+" 单价:"+this.getPrice()+" 数量:"+this.getCount();
    }
    }
    class ShopCar{
    private Goods[] goods;
    private int foot;
    public ShopCar(int len){
    if(len>0){
    this.goods=new Goods[len];
    }else{
    this.goods=new Goods[1];
    }
    }
    public boolean add(Goods goods){
    if(this.foot<this.goods.length){
    this.goods[this.foot]=goods;
    this.foot++;
    return true;
    }else{
    return false;
    }
    }
    public Goods[] getContent(){
    return this.goods;
    }
    public Goods[] search(String keyWord){
    Goods g[]=null;
    int count=0;
    for(int i=0;i<this.goods.length;i++){
    if(this.goods[i]!=null){
    if(this.goods[i].getName().indexOf(keyWord)!=-1){
    count++;
    }
    }
    }
    g=new Goods[count];
    int f=0;
    for(int i=0;i<this.goods.length;i++){
    if(this.goods[i]!=null){
    if(this.goods[i].getName().indexOf(keyWord)!=-1){
    g[f]=this.goods[i];
    f++;
    }
    }
    }
    return g;
    }
    }
    public class mai {

    /**
    * @param args
    */
    public static void main(String[] args) {
    // TODO Auto-generated method stub
    ShopCar sc=new ShopCar(6);
    sc.add(new Books("xxx",69.9f,1,"sas","zx"));
    sc.add(new Books("asdf",79.9f,5,"fdgd","qwe"));
    sc.add(new Books("dg",69.9f,3,"asd","dfg"));
    sc.add(new Cloths("ghj",69.9f,2,"rter","zxcs"));
    sc.add(new Cloths("zfg",69.9f,2,"asfd","dfg"));
    sc.add(new Cloths("qw",69.9f,1,"fdg","sad"));
    System.out.println("=========已买到的商品清单=========");
    print1(sc.getContent());
    System.out.println("=========查询商品详细信息=========");
    try
    {
    print(sc.search(args[0]));
    }
    catch(Exception e){
    System.out.println("未输入要查询商品或输入错误:"+"格式为: java Test 商品名(或商品名中的任一字符) ");
    }
    }
    public static void print1(Goods goods[]){
    for(int i=0;i<goods.length;i++){
    System.out.println(goods[i].getlnfo1());
    }
    }
    public static void print(Goods goods[]){
    for(int i=0;i<goods.length;i++){
    System.out.println(goods[i].getlnfo());
    }
    }
    }

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  • 原文地址:https://www.cnblogs.com/hell/p/5421435.html
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