DVD租借系统java小项目编程

类一：

public class DvdSystem {
String [] names=new String[6];//存放电影名
double [] rental=new double[6];//存放DVD的价格；
boolean [] isborrow=new boolean[6];//存放是否借出；
String [] releaseTime=new String[6];

public void firstValue(){
names[0]="战狼2";
rental[0]=20.8;
isborrow[0]=false;
releaseTime[0]="2018-6-5";

names[1]="杀破狼2";
rental[1]=10.9;
isborrow[1]=false;
releaseTime[1]="2017-6-5";

names[2]="复仇者联盟";
rental[2]=38.9;
isborrow[2]=false;
releaseTime[2]="2019-12-5";

names[3]="钢铁侠";
rental[3]=29.3;
isborrow[3]=false;
releaseTime[3]="2018-5-5";

names[4]="寒战";
rental[4]=28;
isborrow[4]=false;
releaseTime[4]="2016-6-5";
}
public void showMainMenu(){
System.out.println("欢迎使用DVD租用系统~");
System.out.println("请选择操作");
System.out.println("1：查看所有电影");
System.out.println("2：新增电影");
System.out.println("3：借出电影");
System.out.println("4：归还电影");
System.out.println("5：删除电影");
System.out.println("6：删除所有电影");
}

public void showOneMenu(){
System.out.println("==查看所有电影==");
System.out.println("电影名\t电影租金\t上映时间\t\t租借状态");
for(int i=0;iif(names[i]!=null&&!"".equals(names[i].trim())){
System.out.println(names[i]+"\t"+rental[i]+"\t"+releaseTime[i]+"\t"+(isborrow[i]==true?"借出":"未借出"));
}
}
}

public void showTwoMenu(){
Scanner input=new Scanner(System.in);
System.out.println("==新增电影==");
//赋值部分
int index =-1;
for(int i=0;iif(names[i]==null){
index=i;
break;
}
}
if(index!=-1){
System.out.println("请输入新增电影名");
String newName=input.next();
System.out.println("请输入租金");
double newRental=input.nextDouble();
System.out.println("请输入上映时间");
String newReleaseTime=input.next();
names[index]=newName;
rental[index]=newRental;
releaseTime[index]=newReleaseTime;
isborrow[index]=false;
System.out.println("录入成功");
}else{
System.out.println("磁盘已满，无法录入~");
}
}
public void showThrMenu(){
Scanner input=new Scanner(System.in);
System.out.println("==借出电影==");
System.out.println("您可以租借如下电影：");
System.out.println("电影名\t电影租金\t上映时间\t租借状态");
for(int i=0;i
if(isborrow[i]!=true&&names[i]!=null&&!"".equals(names[i].trim())){
System.out.println((i+1)+"\t"+names[i]+"\t"+rental[i]+"\t"+releaseTime[i]+"\t\t"+(isborrow[i]==true?"借出":"未借出"));
}
}
System.out.println("请选择你要租借的电影");
int choose=input.nextInt();
isborrow[choose-1]=true;
System.out.println("请输入租借的天数");
int day=input.nextInt();
switch (choose) {
case 1:
System.out.println("电影信息："+names[0]+"\t租金合计："+day*rental[0]);
break;
case 2:
System.out.println("电影"+names[1]+"\t租金合计："+day*rental[1]);
break;
case 3:
System.out.println("电影"+names[2]+"\t租金合计："+day*rental[2]);
break;
case 4:
System.out.println("电影"+names[3]+"\t租金合计："+day*rental[3]);
break;
case 5:
System.out.println("电影"+names[4]+"\t租金合计："+day*rental[4]);
break;
case 6:
System.out.println("电影"+names[5]+"\t租金合计："+day*rental[5]);
break;
default:
break;
}
}
public void showFourMenu(){
Scanner input=new Scanner(System.in);
System.out.println("==归还电影==");
System.out.println("请输入归还的电名：");
String rebackname=input.next();
for(int i=0;iif(rebackname.equals(names[i])){
isborrow[i]=false;
}
}
System.out.println("归还成功");
}
public void showFiveMenu(){
Scanner input=new Scanner(System.in);
System.out.println("==删除电影==");
System.out.println("请选择删除的电影");
for(int i=0;i
if(names[i]!=null&&!"".equals(names[i].trim())){
System.out.println((i+1)+"\t"+names[i]+"\t"+rental[i]+"\t"+releaseTime[i]+"\t"+(isborrow[i]==true?"借出":"未借出"));
}
}
int choose=input.nextInt();
for(int i=0;iif(inames[i]=names[i];
rental[i]=rental[i];
releaseTime[i]=releaseTime[i];
isborrow[i]=isborrow[i];
}else {
names[i]=names[i+1];
rental[i]=rental[i+1];
releaseTime[i]=releaseTime[i+1];
isborrow[i]=isborrow[i+1];
}
}
names[names.length-1]=null;
rental[names.length-1]=0.0;
releaseTime[names.length-1]=null;
isborrow[names.length-1]=false;
System.out.println("删除成功！");
}
public void showSixMenu(){
System.out.println("==删除所有电影==");
for(int i=0;inames[i]=null;
rental[i]=0.0;
releaseTime[i]=null;
isborrow[i]=false;
}
System.out.println("删除成功");
}
}

主方法类：

public class ShowDvdSystem {


/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
DvdSystem dvdSystem=new DvdSystem();
Scanner input =new Scanner(System.in);
dvdSystem.firstValue();
boolean isExit=true;
int choice=0;
do{
dvdSystem.showMainMenu();
choice=input.nextInt();
switch (choice) {
case 1:
dvdSystem.showOneMenu();
break;
case 2:
dvdSystem.showTwoMenu();
break;
case 3:
dvdSystem.showThrMenu();
break;
case 4:
dvdSystem.showFourMenu();
break;
case 5:
dvdSystem.showFiveMenu();
break;
case 6:
dvdSystem.showSixMenu();
break;
default:
break;
}
System.out.println("是否进行其他操作Y/N");
String anwser =input.next();
if("y".equalsIgnoreCase(anwser)){
isExit=true;
continue;
}
isExit=false;
}while(isExit);
System.out.println("欢迎下次使用");
}
}