Untitled

import java.util.Random;

import java.util.Scanner;

public class UserName {

   public static void main(String[] args) {

       Scanner in = new Scanner(System.in);

       System.out.println("Enter Your first Name");

       String firstName = in.next();

       System.out.println("Enter Your Last Name");

       String lastName = in.next();

       char firstLetter = firstName.charAt(0);

       String firstFiveLetters = lastName.substring(0,5);

       System.out.print(firstLetter+firstFiveLetters);

      Random rand = new Random();

      int randomNum = rand.nextInt(100)+10;

       System.out.println(randomNum);

   }

}