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Write a program that asks the user for three strings. Then, print out whether the first string concatenated to the second string is equal to the third string. Here are a few sample program runs: Sample Program 1: First string

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ijeggs

Answer:

import java.util.Scanner;

public class Main {

   public static void main(String[] args) throws Exception {

          Scanner myObj = new Scanner(System.in);

        //Request and receive first String

       System.out.println("Enter username");

       String firstString = myObj.nextLine();

       

       //Request and receive second string

       System.out.println("Enter second string");

       String secondString = myObj.nextLine();

       

         //Request and receive third string

       System.out.println("Enter third string");

       String thirdString = myObj.nextLine();

       //Concatenate the first and second string

       String concatA_B = firstString + secondString;

       

       if(concatA_B.equals(thirdString)){

           System.out.println("First String Concatenated to Second String is equals to the third String");

       }

       else{

            System.out.println("First String Concatenated to Second String is NOT equals to the third String");

       }

   }

}

Explanation:

  • Import Scanner Class
  • Request and Receive three variables from the user using the Scanner Class
  • Concatenate the first and second
  • Use the .equals() method to check for equality

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