有人可以告訴我如何讓這個代碼返回到主菜單時,按4。我知道我必須做循環,但我不知道如何。現在我退出作爲一個返回,所以它關閉了整個程序,但我希望它返回到主菜單並重新啓動eventSelection。如何退出返回到主菜單(Java)
import java.util.*;
public class SchedulingProgram
{
public static void main (String [] args)
{
eventSelection();
}
public static void eventSelection()
{
Scanner sc = new Scanner(System.in);
System.out.println("Select Scheduling Action");
System.out.print("Add and Event = 1. \nDisplay Events = 2. \nPrint Alert = 3. \nExit = 4. \nINPUT : ");
int actionSelect = sc.nextInt();
if (actionSelect >= 1 && actionSelect <= 4)
{
if (actionSelect == 1)
{
addEvent();
}
else if (actionSelect == 2)
{
displayEvent();
}
else if (actionSelect == 3)
{
printAlert();
}
else if (actionSelect == 4)
{
return;
}
}
else
{
System.out.println("Error : Choice " + actionSelect + " Does Not Exist.");
}
}
因此,如何用戶將退出你的程序? –
你爲什麼一次又一次地提出同樣的問題?你只是問了這個問題:回到一小時後,http://stackoverflow.com/questions/36806696/how-to-return-to-main-menu-when-exit-is-inputted。上面鏈接中的評論已經提示你需要做什麼。爲什麼要再發布一次? – Madhusudhan
@ user3493289指向此問題的鏈接 –