Reverse Words in Sentence in Java
Reverse the order of words in a sentence.
BeginnerModule 4: String ProgramsExample 14 of 25
reverse-words-in-sentence.java
1import java.util.Scanner;23public class Main {4 public static void main(String[] args) {5 Scanner sc = new Scanner(System.in);6 System.out.print("Enter a sentence: ");7 String s = sc.nextLine().trim();89 String[] words = s.split("\\s+");10 StringBuilder sb = new StringBuilder();11 for (int i = words.length - 1; i >= 0; i--) {12 sb.append(words[i]).append(" ");13 }14 System.out.println("Reversed words: " + sb.toString().trim());15 sc.close();16 }17}
Output
Enter a sentence: Java is fun Reversed words: fun is Java
What's going on
We split into words and rebuild string from last word to first.