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.Locale;

public class Main {
    public static String padString(String str) {
        if (str == null || str.isEmpty()) {
            return "0";
        } else if (str.equals(".")) {
            return "0.";
        } else {
            try {
                return String.format(Locale.ENGLISH, "%.4f", Double.parseDouble(str));
            } catch (Exception e) {
                return null;
            }
        }
    }
}