Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {

    public static boolean isNumOrWord(String str) {
        String regularExpression = "[a-z0-9A-Z]*";

        if (isEmpty(str)) {
            return false;
        } else if (!str.matches(regularExpression)) {
            return false;
        }
        return true;
    }

    public static boolean isEmpty(String str) {
        if (str != null && !"".equals(str.trim())) {
            return false;
        }
        return true;
    }
}