Getting user input in java

Hi all,
Execute the below given example. You will be prompted to enter the name.
Enter a name and press ENTER.

CODE:

import java.io.*;

public class getUserInput {

       public static void main(String[] args) {

              System.out.print("Enter your name: ");

              InputStreamReader istr = new InputStreamReader(System.in);

              BufferedReader br = new BufferedReader(istr);

               String userInput=null;

              try {

                     userInput = br.readLine();

              } catch (IOException e) {

                     e.printStackTrace();

              }

              if(userInput != null && userInput.trim().length()>0){

                     System.out.println("Hi! Welcome " + userInput);

              }else{

                     System.out.println("No data entered. ");

              }

             

       }

}

OutPut:

Enter your name: Donald
Hi! Welcome Donald