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我面对错误,请帮我整理出来,因为我必须提交我的项目....请...如何直接退出形成程序
import java.util.*;
public class project
{
public static void intro1()
{
Scanner obj= new Scanner((System.in));
System.out.println(" This converter will be related as follows");
System.out.println(" 1.Digital Storage");
System.out.println(" 2.Distance(length)");
System.out.println(" 3.Currency");
System.out.println(" 4.Temperature");
System.out.println(" Please choose your option,which you want to be converted,please type that number related");
int q= obj.nextInt();
System.out.println(" Command received!....executing...");
String w=Integer.toString(q);
String a=(w.trim());
int n=Integer.parseInt(a);
switch(n)
{
case 1:
{
//some codes here
}
break;
case 2:
{
//some codes here
}
break;
case 3:
{
}
break;
case 4:
{
//some codes here `enter code here`
}
break;
default:
{
System.out.println(" I'm sorry you have chosen the wrong option...please enter again");
{
intro1();
}
}
}
exit();
}
public static void exit()
{
Scanner obj=new Scanner (System.in);
System.out.println("to continue type 'cont' or else type 'exit'");
String pi=obj.nextLine();
if(pi=="exit")
{
System.exit(0);
}
else
{
intro1();
}
}
}
我面对错误请帮我整理出来,因为我必须提交我的项目....请...
欢迎来到Stack Overflow!请参阅[问]和[mcve]。另见[家庭作业](http://meta.programmers.stackexchange.com/questions/6166/open-letter-to-students-with-homework-problems) – Mat