Java Coding question Reverse String

Write a Java program to reverse a string without using any in-built functions.

Example 1:

Sample Input: "hello world"

Sample Output: "dlrow olleh"

Example 2:

Sample Input: "world"

Sample Output: "dlrow"

public class ReverseString {

public static void main(String[] args)

{

String str = "hello world";

// Write your code here to reverse the string

}

}

Code here