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import java.util.*;

/**

* This is my first program with a few updates.

* My name is Horace Yim.

* @author Horace Yim

*/

public class HelloWorld {

/**

* Says hello world and greets the user.

* @param args command line arguments (not used)

*/

public static void main(String[] args) {

// Asks for the user's name.

Scanner console = new Scanner(System.in);

System.out.print("What is your name? ");

/** Saves the user's name as the variable text. */

String text = console.nextLine();

// Prints Hello statements.

System.out.println();

System.out.println("Hello world!");

System.out.println("Hello " + text + " !");

// Declare variable for reverse stirng

String textReverse = "";

/**

* The length of the user's name.

*/

int length = text.length();

// Reverse string for the user's name

for (int i = length - 1; i >= 0; i--) {

textReverse = textReverse + text.charAt(i);

}

// Prints reverse string.

System.out.println("! " + textReverse + " olleH");

// Prints fun statements.

System.out.println("Let's have fun learning Java!");

System.out.println();

}

}