Question

Write a program that does the following:

Answer 1

Answer:

Following is the program in Java language:

import java.util.*;//import package

public class Main // main class

{

public static void main(String[] args) // main method

{

    String  firstname,lastname; // Declare the two String variables

    Scanner ob=new Scanner(System.in); // create a object of scanner //class

    System.out.println("Enter the first name:");  // Prompt the user for // enter the first name

   firstname=ob.nextLine();// Read in the first name by user

    System.out.println("Enter the last name:"); // Prompt the user for last //name

   lastname=ob.nextLine();// Read in the last name by user

   System.out.println("Hello " + firstname +' ' +lastname); // print the //firstname,lastname

}

}

Output:

Enter the first name:

San

Enter the last name:

ert

Hello San ert

Explanation:

Following are the description of program

• Declared two variable of string type i.e "firstname"  and "lastname".

• Create a instance or object  of scanner class .i.e "ob".
• Prompt the user to enter the first name in the  "firstname" variable

• Read in the first name by the user by using the method nextLine() in the first name variable
• Prompt the user to enter the  last name.
• Read in the last name by the user by using the method nextLine() in the lastname variable.
• Finally, print the first name and last name.