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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.  
  13.  
  14. 		Scanner scanner = new Scanner(System.in);
  15. 		int input;
  16. 		badinput: while (true) {
  17. 			System.out.println("Enter menu item:");
  18. 			input = scanner.nextInt();
  19. 			String inputString;
  20. 			if ((!(input > 0 && input < 5)))
  21. 				continue badinput;
  22. 			else {
  23. 				switch (input) {
  24. 				case 1:
  25. 					inputString = "User want to Enter data";
  26. 					break;
  27. 				case 2:
  28. 					inputString = "User want to Display sata";
  29. 					break;
  30. 				case 3:
  31. 					inputString = "User want to Print data";
  32. 					break;
  33. 				case 4:
  34. 					inputString = "User want to Exit";
  35. 					break;
  36. 				default:
  37. 					inputString = "Invalid Number";
  38. 					break;
  39. 				}
  40. 				System.out.println(inputString);
  41. 				break;
  42. 			}
  43.  
  44. 		}
  45. 	scanner.close();
  46.  
  47. 	}
  48. }
Success #stdin #stdout 0.1s 2841600KB
comments (?)
stdin
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10
50
33
-5
3
stdout
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Enter menu item:
Enter menu item:
Enter menu item:
Enter menu item:
Enter menu item:
User want to Print data
https://ideone.com/DLE5pF
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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