Java - reverse words in a given string

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1. Overview

In this post, we will take a look at how to reverse words in a given string in java.

Example 1:

String original = "Reverse words in string"; // original
String expected = "string in words Reverse"; // reversed words

Example 2:

String original = "reverse this string in java"; // original
String expected = "java in string this reverse"; // reversed words

2. Reverse words in a string

public class JavaReverseWordsInStringExample1 {

    public static void main(String[] args) {

        String original = "Reverse words in string";
        String[] split = original.split(" ");
        StringBuilder builder = new StringBuilder();

        for (int i = split.length - 1; i >= 0; i--) {
            String word = split[i];

            if (i != 0) {
                builder.append(" ");
        String reversedWords = builder.toString();

        System.out.println("# original: ");
        System.out.println("# reversed words: ");


# original: 
Reverse words in string
# reversed words: 
string in words Reverse
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