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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. 		userInput ui = new userInput(new Scanner(System.in));
  13. 		int num = ui.thisMethod();
  14. 		System.out.println("returned "+ num);
  15. 	}
  16. }
  17.  
  18. class userInput{
  19. 	Scanner sc;
  20.  
  21. 	public userInput(Scanner scanner){
  22. 		sc = scanner;
  23. 	}
  24.  
  25. 	public int thisMethod(){
  26. 		int n = -1; // this is to just set the variable to something
  27. 		System.out.println("Question to user");
  28. 		try{
  29. 	    	n = Integer.parseInt(sc.nextLine());
  30. 	    	if (n < 0){
  31. 	    		//i want specificly want input over 0
  32. 	    		n = thisMethod();
  33. 	    	}
  34. 	    	if (n > 3){
  35. 	    		//8 is a random number, but the number is linked to an array length, so the index needs to be lower than 3
  36. 	    		n = thisMethod();
  37. 	    	}
  38. 		} catch (NumberFormatException e){
  39. 			n = thisMethod();
  40. 		}
  41. 		return n;
  42. 	}
  43. }
Success #stdin #stdout 0.12s 36000KB
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stdin
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10
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Question to user
Question to user
returned 2
https://ideone.com/5gzcwh
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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