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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		Scanner scanner = new Scanner(System.in);
  13.         int input;
  14.         do {
  15.             System.out.println("Enter menu item:");
  16.             input = scanner.nextInt();
  17.             String inputString;
  18.             switch (input) {
  19.                 case 1:
  20.                     inputString = "User want to Enter data";
  21.                     break;
  22.                 case 2:
  23.                     inputString = "User want to Display sata";
  24.                     break;
  25.                 case 3:
  26.                     inputString = "User want to Print data";
  27.                     break;
  28.                 case 4:
  29.                     inputString = "User want to Exit";
  30.                     break;
  31.                 default:
  32.                     inputString = "Invalid Number";
  33.                     break;
  34.             }
  35.             System.out.println(inputString);
  36.         } while (!(input > 0 && input < 5));
  37. 	}
  38. }
Success #stdin #stdout 0.1s 2841600KB
comments (?)
stdin 
10
50
33
-5
3
stdout 
Enter menu item:
Invalid Number
Enter menu item:
Invalid Number
Enter menu item:
Invalid Number
Enter menu item:
Invalid Number
Enter menu item:
User want to Print data
https://ideone.com/kh63FD
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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