Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    public static void main(String args[]) throws Exception {
        String duplicatePattern = "\\b(\\w+) \\1\\b";
        Pattern p = Pattern.compile(duplicatePattern);

        int matches = 0;
        String phrase = "this is a test";
        Matcher m = p.matcher(phrase);
        String val = null;
        while (m.find()) {
            val = ":" + m.group() + ":";
            System.out.println(val);
            matches++;
        }
    }
}