Reverse Words in Sentence
Reverse the order of words in a sentence.
BeginnerTopic: Module 4: String Programs
Java Reverse Words in Sentence Program
This program helps you to learn the fundamental structure and syntax of Java programming.
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.print("Enter a sentence: ");
String s = sc.nextLine().trim();
String[] words = s.split("\\s+");
StringBuilder sb = new StringBuilder();
for (int i = words.length - 1; i >= 0; i--) {
sb.append(words[i]).append(" ");
}
System.out.println("Reversed words: " + sb.toString().trim());
sc.close();
}
}Output
Enter a sentence: Java is fun Reversed words: fun is Java
Understanding Reverse Words in Sentence
We split into words and rebuild string from last word to first.
Note: To write and run Java programs, you need to set up the local environment on your computer. Refer to the complete article Setting up Java Development Environment. If you do not want to set up the local environment on your computer, you can also use online IDE to write and run your Java programs.