Java String Capitalize capitalize(final String str)

Description

Put first letter into uppercase

License

Open Source License

Parameter

Parameter	Description
str	a parameter

Return

transformated string

Declaration

public static String capitalize(final String str) 

Method Source Code

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

public class Main {
    /**/*from   www  .j a  v a2s. co m*/
     * Put first letter into uppercase
     *
     * @param str
     * @return transformated string
     */
    public static String capitalize(final String str) {
        if (str.length() > 1) {
            return str.substring(0, 1).toUpperCase() + str.substring(1);
        } else {
            return str.toUpperCase();
        }
    }

    /**
     * a 'safe' @link {@link String#substring(int, int)} that does not throw exceptions when indexes are false.
     *
     * @param s
     *            any string
     * @param startIndex
     *            start index (maybe greater that endIndex)
     * @param endIndex
     *            required end index (may greater that the string itself)
     * @return substring
     */
    public static String substring(final String s, int startIndex, int endIndex) {
        startIndex = Math.min(s.length(), Math.max(0, startIndex));
        endIndex = Math.min(s.length(), Math.max(0, endIndex));
        return s.substring(Math.min(startIndex, endIndex), Math.max(startIndex, endIndex));
    }
}

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