Java String Capitalize capitalize(String str)

Description

Capitalize the first character in the string if necessary.

License

Open Source License

Declaration

public static String capitalize(String str) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {
    /**/*from   w w  w  .  j  a  v  a 2s . com*/
     * Capitalize the first character in the string if necessary.
     */
    public static String capitalize(String str) {
        if (str == null) {
            return str;
        }
        int strLen = str.length();
        if (strLen == 0) {
            return str;
        }
        char first = Character.toTitleCase(str.charAt(0));
        if (first == str.charAt(0)) {
            return str;
        }
        return new StringBuilder(strLen).append(first).append(str.substring(1)).toString();
    }
}

Related

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7. capitalize(String str)
8. capitalize(String str)
9. capitalize(String str)