Java String Capitalize capitalize(String input)

Description

Capitalizes the input string, converting the first character to upper case.

License

Apache License

Parameter

Parameter	Description
input	a non-empty string

Return

the same string if already capitalized, or a capitalized version

Declaration

public static String capitalize(String input) 

Method Source Code

//package com.java2s;
// Licensed under the Apache License, Version 2.0 (the "License");

public class Main {
    /**//from   ww  w .  j  a  va 2 s  . c om
     * Capitalizes the input string, converting the first character to upper case.
     *
     * @param input a non-empty string
     * @return the same string if already capitalized, or a capitalized version
     */
    public static String capitalize(String input) {
        char first = input.charAt(0);

        if (Character.isUpperCase(first))
            return input;

        return String.valueOf(Character.toUpperCase(first))
                + input.substring(1);
    }
}

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