import java.util.ArrayList;
成都創(chuàng)新互聯(lián)專注于福山企業(yè)網(wǎng)站建設(shè),響應(yīng)式網(wǎng)站開發(fā),成都商城網(wǎng)站開發(fā)。福山網(wǎng)站建設(shè)公司,為福山等地區(qū)提供建站服務(wù)。全流程按需開發(fā)網(wǎng)站，專業(yè)設(shè)計(jì)，全程項(xiàng)目跟蹤，成都創(chuàng)新互聯(lián)專業(yè)和態(tài)度為您提供的服務(wù)
import java.util.Arrays;
import java.util.List;
public class Recipe {
private String name; //菜譜名稱
private String style; //菜系 如：川菜、湘菜等
private int time; //烹飪時(shí)長(zhǎng) 分鐘
private String[] food; //食材
private String[] step; //操作步驟
public Recipe() {
}
public Recipe(String name, String style, int time, String[] food, String[] step) {
this.name = name;
this.style = style;
this.time = time;
this.food = food;
this.step = step;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getStyle() {
return style;
}
public void setStyle(String style) {
this.style = style;
}
public int getTime() {
return time;
}
public void setTime(int time) {
this.time = time;
}
public String[] getFood() {
return food;
}
public void setFood(String[] food) {
this.food = food;
}
public String[] getStep() {
return step;
}
public void setStep(String[] step) {
this.step = step;
}
@Override
public String toString() {
String foods="";
for (String f : food) {
foods+=f+" ";
}
String steps="";
for (int i = 0; i step.length; i++) {
steps += (i+1)+"."+step[i];
if(i!=step.length-1){
steps+=";";
}
}
return "菜譜名稱：" + name +
"\n菜系：" + style +
"\n時(shí)長(zhǎng)：" + time +
"\n所需食材：" + foods +
"\n操作步驟：" + steps;
}
public static void print(Recipe[] recipes){
for (Recipe recipe : recipes) {
System.out.println(recipe);
}
}
public static Recipe[] searchRecipesContainName(Recipe[] recipes, String name){
ListRecipe list=new ArrayListRecipe();
for (Recipe recipe : recipes) {
if(recipe.getName().contains(name)){
list.add(recipe);
}
}
return list.toArray(new Recipe[list.size()]);
}
public static Recipe[] searchRecipes(Recipe[] recipes, String style){
ListRecipe list=new ArrayListRecipe();
for (Recipe recipe : recipes) {
if(recipe.getStyle().equals(style)){
list.add(recipe);
}
}
return list.toArray(new Recipe[list.size()]);
}
public static Recipe[] searchRecipeLessThan(Recipe[] recipes, int time){
ListRecipe list=new ArrayListRecipe();
for (Recipe recipe : recipes) {
if(recipe.getTime()time){
list.add(recipe);
}
}
return list.toArray(new Recipe[list.size()]);
}
public static Recipe[] searchRecipeContainsFood(Recipe[] recipes, String food){
ListRecipe list=new ArrayListRecipe();
for (Recipe recipe : recipes) {
for (String s : recipe.getFood()) {
if(s.equals(food)){
list.add(recipe);
}
}
}
return list.toArray(new Recipe[list.size()]);
}
public static void main(String[] args) {
//存儲(chǔ)5個(gè)菜譜的信息
Recipe[] recipes=new Recipe[5];
recipes[0]=new Recipe("醬牛肉","家常菜",120,
new String[]{
"牛腱子",
"黃豆醬油",
"黃酒",
"冰糖"
},
new String[]{
"準(zhǔn)備好主要食材",
"加入食材慢燉兩至三小時(shí)"
});
recipes[1]=new Recipe("紅燒牛肉","家常菜",120,
new String[]{
"牛腩",
"牛筋",
"生抽",
"冰糖"
},new String[]{
"準(zhǔn)備好主要食材",
"加入食材慢燉兩至三小時(shí)"
});
recipes[2]=new Recipe("小雞燉蘑菇","湘菜",100,
new String[]{
"小雞",
"蘑菇"
},
new String[]{
"準(zhǔn)備好主要食材",
"加入食材慢燉兩至三小時(shí)"
});
recipes[3]=new Recipe("地三鮮","川菜",25,
new String[]{
"茄子",
"辣椒"
},
new String[]{
"準(zhǔn)備好主要食材",
"加入食材慢燉"
});
recipes[4]=new Recipe("西紅柿","湘菜",20,
new String[]{
"西紅柿",
"味達(dá)美醬油"
},
new String[]{
"準(zhǔn)備好主要食材",
"加入食材慢燉"
});
System.out.println("找到所有名稱中包含牛肉的菜譜:");
Recipe[] result_1 = searchRecipesContainName(recipes, "牛肉");
print(result_1);
System.out.println("\n希望查找所有湘菜的菜譜:");
Recipe[] result_2=searchRecipes(recipes,"湘菜");
print(result_2);
System.out.println("\n查找烹飪時(shí)長(zhǎng)小于30分鐘的菜譜:");
Recipe[] result_3=searchRecipeLessThan(recipes,30);
print(result_3);
System.out.println("\n查找包含西紅柿的菜譜:");
Recipe[] result_4=searchRecipeContainsFood(recipes,"西紅柿");
print(result_4);
}
}
import?java.util.HashMap;
import?java.util.Iterator;
import?java.util.Map;
import?java.util.Scanner;
enum?Huo?{
TX(1,?"T恤",?245),?WQX(2,?"網(wǎng)球鞋",?570),?WQP(3,?"網(wǎng)球拍",?320);
private?int?id;
private?String?name;
private?double?price;
private?Huo(int?id,?String?name,?double?price)?{
this.id?=?id;
this.name?=?name;
this.price?=?price;
}
public?int?getId()?{
return?id;
}
public?String?getName()?{
return?name;
}
public?double?getPrice()?{
return?price;
}
public?static?Huo?getById(int?id)?{
for?(Huo?item?:?Huo.values())?{
if?(item.id?==?id)?{
return?item;
}
}
return?null;
}
}
public?class?Test?{
private?static?MapInteger,?Integer?countMap?=?new?HashMapInteger,?Integer();
private?static?double?sum?=?0;
public?static?void?main(String?args[])?{
Scanner?in?=?new?Scanner(System.in);
while?(true)?{
System.out.println("**********************************************");
System.out.println("請(qǐng)選擇購(gòu)買的商品編號(hào)：");
for?(Huo?item?:?Huo.values())?{
System.out.print(item.getId()?+?":"?+?item.getName()?+?"??");
}
System.out.println();
System.out.println("**********************************************");
System.out.print("輸入購(gòu)買商品編號(hào):");
int?id?=?in.nextInt();
System.out.print("輸入購(gòu)買商品數(shù)量:");
int?count?=?in.nextInt();
Integer?tmp?=?countMap.get(id);
if?(tmp?==?null)?{
tmp?=?0;
}
countMap.put(id,?tmp?+?count);
show();
while?(true)?{
System.out.print("是否繼續(xù)（y/n）：");
String?jixu?=?in.next();
if?("Y".equalsIgnoreCase(jixu))?{
break;
}?else?if?("N".equalsIgnoreCase(jixu))?{
System.out.print("請(qǐng)支付:");
double?zhifu?=?in.nextDouble();
System.out.println("應(yīng)付金額："?+?sum);
System.out.println("客戶支付："?+?zhifu);
System.out.println("找錢:"?+?(zhifu?-?sum));
System.exit(0);
}?else?{
System.out.print("輸入錯(cuò)誤");
}
}
}
}
private?static?void?show()?{
IteratorInteger?it?=?countMap.keySet().iterator();
while?(it.hasNext())?{
Integer?key?=?it.next();
Integer?count?=?countMap.get(key);
Huo?huo?=?Huo.getById(key);
double?heji?=?huo.getPrice()?*?count;
System.out.println(huo.getName()?+?"￥"?+?huo.getPrice()?+?"???數(shù)量:"?+?count?+?"????合計(jì):"?+?heji);
sum?+=?heji;
}
}
}
public class ShopGoodsDemo {
public static void main(String[] args) {
ShopCar s1=new ShopCar(5);
s1.add(new EatFood("面包",12.1));
s1.add(new EatFood("辣條",2.4));
s1.add(new EatFood("餅干",22.3));
s1.add(new WashGoods("洗發(fā)水",32.5));
s1.add(new WashGoods("衛(wèi)生紙",22.8));
print(s1.search("餅干"));
System.out.println("=============");
print(s1.getGoods());
}
public static void print(Goods gs[]){
double sum=0;
for(int i=0;igs.length;i++){
if(gs[i]!=null){
//System.out.println(p[i]+",");
System.out.println(gs[i].getName()+","+gs[i].getPrice());
sum=sum+gs[i].getPrice();
}
}
System.out.println("總價(jià)格為："+sum);
}
}
public interface Goods {
public String getName();
public double getPrice();
}
public class EatFood implements Goods{
private String name;
private double price;
public EatFood() {
}
public EatFood(String name, double price) {
super();
this.name = name;
this.price = price;
}
@Override
public double getPrice() {
return this.price;
}
public void setPrice(double price) {
this.price = price;
}
public void setName(String name) {
this.name = name;
}
@Override
public String getName() {
return this.name;
}
}
public class WashGoods implements Goods{
private String name;
private double price;
public WashGoods() {
}
public WashGoods(String name, double price) {
super();
this.name = name;
this.price = price;
}
@Override
public double getPrice() {
return this.price;
}
public void setPrice(double price) {
this.price = price;
}
public void setName(String name) {
this.name = name;
}
@Override
public String getName() {
return this.name;
}
}
public class ShopCar {
private Goods goods[]=null;
private int foot;
//數(shù)組的大小由程序外部決定
public ShopCar(int len) {
if(len0){
goods=new Goods[len];
}else{
goods=new Goods[1];
}
}
//判斷數(shù)組的內(nèi)容是否已滿，未滿，則添加
public boolean add(Goods g){
if(this.footthis.goods.length){
this.goods[foot]=g;
foot++;
return true;
}else{
return false;
}
}
//關(guān)鍵字查找
public Goods[] search(String keyword){
Goods go[]=null;
int count=0;
for(int i=0;ithis.goods.length;i++){
if(goods[i]!=null){
if(this.goods[i].getName().indexOf(keyword)!=-1){
count++;
}
}
}
go=new Goods[count];
int f=0;
for(int i=0;ithis.goods.length;i++){
if(goods[i]!=null){
if(this.goods[i].getName().indexOf(keyword)!=-1){
go[f]=this.goods[i];
f++;
}
}
}
return go;
}
//得到全部信息
public Goods[] getGoods(){
return this.goods;
}
}
剛幫你調(diào)測(cè)了一下，當(dāng)你輸入"n"的時(shí)候，已經(jīng)跳出循環(huán)了，只不過(guò)你沒(méi)有輸出提示，以為沒(méi)出來(lái)，
又輸入字符了所有報(bào)錯(cuò)了，應(yīng)該是輸入金額的，我?guī)湍慵恿讼螺敵瞿憧梢钥聪陆Y(jié)果；
public static void main(String args[]){
System.out.println("********************");
System.out.println("");
System.out.println("請(qǐng)選擇購(gòu)買商品編號(hào)：");
System.out.println("1.T恤(￥245.0) 網(wǎng)球鞋(￥570.0) 網(wǎng)球拍(￥500.0)");
System.out.println("********************");
System.out.println("");
double s=0;
String d;
do{
System.out.println("請(qǐng)輸入商品編號(hào)：");
Scanner input=new Scanner(System.in);
int a=input.nextInt();
if(a==1){
System.out.println("請(qǐng)輸入購(gòu)買數(shù)量：");
int b=input.nextInt();
double c=245*b;
System.out.println("T恤￥245.0 數(shù)量:"+b+" "+"合計(jì):"+c);
s=s+c;
}
else if(a==2){
System.out.println("請(qǐng)輸入購(gòu)買數(shù)量：");
int b=input.nextInt();
double c=570*b;
System.out.println("網(wǎng)球鞋￥245.0 數(shù)量:"+b+" "+"合計(jì):"+c);
s=s+c;
}
else if(a==3){
System.out.println("請(qǐng)輸入購(gòu)買數(shù)量：");
int b=input.nextInt();
double c=500*b;
System.out.println("網(wǎng)球拍￥245.0 數(shù)量:"+b+" "+"合計(jì):"+c);
s=s+c;
}
else {System.out.println("無(wú)此商品");}
System.out.println("否繼續(xù)(y/n)");
d=input.next();
}while(d.equals("y"));
System.out.println("===========付款===========");
System.out.println("=====輸入金額=====");
Scanner input=new Scanner(System.in);
int x=input.nextInt();
double m=s*0.8;
System.out.println("折扣：0.8");
System.out.println("應(yīng)付金額："+m);
System.out.println("實(shí)際金額："+x);
double p=x-m;
System.out.println("找錢："+p);
}
重慶分公司
重慶分公司
