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Jan 19th, 2019
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  1. import java.util.Scanner;
  2.  
  3. public class Input {
  4.  
  5. public static void main(String[] args) {
  6. String prompt="Enter any integer in range";
  7. String error="Invalid Value! ";
  8. int min=1,max=100;
  9. Scanner in=new Scanner(System.in);
  10. int value=readInt(in,prompt,error,min,max);
  11. System.out.println("The Value is "+value);
  12.  
  13. }
  14. public static int readInt(Scanner in,String prompt,String error,int min,int max) {
  15. in=new Scanner(System.in);
  16. int userInput;
  17. while(true) {
  18. System.out.print(prompt+" "+min+" and "+max+" :");
  19. userInput=in.nextInt();
  20. if(userInput>=min && userInput<=max) {
  21. return userInput;
  22. }else {
  23. System.out.println(error);
  24. }
  25. }
  26. }
  27. }
  28.  
  29.  
  30. OUTPUT:
  31. Enter any integer in range 1 and 100 :200
  32. Invalid Value!
  33. Enter any integer in range 1 and 100 :-90
  34. Invalid Value!
  35. Enter any integer in range 1 and 100 :70
  36. The Value is 70
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