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) {
        String word = "77933211";
        Pattern pattern = Pattern.compile("(\\d)\\1");
        Matcher matcher = pattern.matcher(word);
        word = matcher.replaceAll("$1");
        System.out.println(word);
    }
}