Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {

    public static String capitalizeFirstLetter(String str) {
        if (isEmpty(str)) {
            return str;
        }

        char c = str.charAt(0);
        return (!Character.isLetter(c) || Character.isUpperCase(c)) ? str
                : new StringBuilder(str.length()).append(Character.toUpperCase(c)).append(str.substring(1))
                        .toString();
    }

    public static boolean isEmpty(String str) {
        return (str == null || str.length() == 0);
    }
}