INPUT/OUTPUT

3. Enter the integer from user using Scanner class

            import java.util.Scanner;

            class Integ
            {
                public static void main(String st[])
                  {
                            int x;
                      Scanner str=new Scanner(System.in);
                  System.out.println("enter integer:");
                    try
                      { 
                            x=str.nextInt();
                          System.out.println("Entered Integer:"+x);
                       }
                     catch(java.util.InputMismatchException t)
                      {
                             System.out.println("\nPlease enter number");
                             System.out.println(t.getClass());
                       }
                    catch(Throwable t)
                      {
                         System.out.println(t.getMessage());
                        }
                  }
            }
        

OUTPUT

          enter integer:
          789
          Entered Integer:789