ReverseWords.java

// Reverse words in a String without using functions
 
import java.util.Scanner;
 
public class Main {
  public static void main(String[] args) {
    Scanner scanner = new Scanner(System.in);
    System.out.print("Original string : ");
 
    String originalStr = scanner.nextLine();
    scanner.close();
 
    String words[] = originalStr.split("\\s");
    String reversedString = "";
 
    //Reverse each word's position
    for (int i = 0; i < words.length; i++) { 
            if (i == words.length - 1) 
              reversedString = words[i] + reversedString; 
            else
              reversedString = " " + words[i] + reversedString; 
        } 
 
    // Displaying the string after reverse
    System.out.print("Reversed string : " + reversedString);
  }
}