Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import android.text.TextUtils;

public class Main {

    public static boolean checkRegNum(CharSequence code) {
        if (TextUtils.isEmpty(code) || code.length() != 4) {
            return false;
        }
        return true;
    }
}