Write a program that reads a person's first and last names, separated by a space. Then the program outputs last name, comma, first name. End with newline.

The program to this question as follows:

Program:

//defining package

import java. util.*; / /import package for user input

public class Name / /defining class Name

{

public static void main (String ar []) / /defining main method

{

String First_Name, Last_Name; / /defining variables

Scanner obc = new Scanner (System. in); / /creating Scanner class object

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

First_Name = obc. next (); / /taking input

Last_Name = obc. next (); / /taking input

System. out. println (Last_Name + ", " + First_Name); / /print value

}

}

Output:

Enter your full name: data base

base, data

Explanation:

The description of the above java program as follows:

A package is imported for user input in the first line of the program, then a class is defined, that is "Name", in this class two string variable is declared, that is "First_Name and Last_Name". In the next step, a scanner class object is created, which is "obc", which is used to take user input in this variable that is declared above. Then a print function is used to print the user input values, in printing time the last name is printed first that is separated by a comma then print the value of first name.