write a java program to reverse a string without using string inbuilt function reverse() code example

Example 1: Reverse a string in java without using reverse function

// Reverse a string in java without using reverse function
import java.util.Scanner;
public class ReverseWithoutFunction 
{
   public static void main(String[] args) 
   {
      Scanner sc = new Scanner(System.in);
      System.out.println("Please enter a string: ");
      String strInput = sc.nextLine();
      int len = strInput.length();
      String strReverse = "";
      System.out.println("Reverse a string without using reverse function: ");
      for(int a = len - 1; a >= 0; a--)
      {
         strReverse = strReverse + strInput.charAt(a);
      }
      System.out.println(strReverse);
      sc.close();
   }
}

Example 2: reverse a string in java using input

public class Main {

    public static void main(String[] args) {
	// Write a Java program to reverse a string.
        Scanner input = new Scanner(System.in);
        System.out.println("Enter the String:");
        char[] letters = input.nextLine().toCharArray();
        System.out.println(" Reverse String");
        for(int i = letters.length -1; i >= 0; i--){
            System.out.print(letters[i]);
        }
    }
}