Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

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

public class Main {
    public static boolean isNumber(String str) {
        String NUMBER_PATTERN = "^\\d+$";
        Pattern p = Pattern.compile(NUMBER_PATTERN);
        Matcher m = p.matcher(str);
        return m.matches();
    }
}