Java String Upper Case toUppercaseFirstLetter(String str)

Description

to Uppercase First Letter

License

Open Source License

Declaration

public static String toUppercaseFirstLetter(String str) 

Method Source Code

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

public class Main {
    public static String toUppercaseFirstLetter(String str) {
        if (str == null || str.length() == 0) {
            return str;
        }/*from   w  w  w .j  a  va  2s  . c  om*/

        char firstLetter = str.charAt(0);
        if (Character.isLowerCase(firstLetter)) {

            if (str.length() > 1) {
                return "" + Character.toUpperCase(firstLetter) + str.substring(1);
            } else {
                return "" + Character.toUpperCase(firstLetter);
            }

        } else {
            return str;
        }
    }
}

Related

1. toUpperCaseFirstChar(String string)
2. toUpperCaseFirstChar(String text)
3. toUppercaseFirstCharacter(String s)
4. toUpperCaseFirstCharacter(String str)
5. toUpperCaseFirstCharForWord(String string)
6. toUpperCaseFirstLetter(String str)
7. toUpperCaseFirstLetter(StringBuilder sb)
8. toUpperCaseFirstOne(String origin)
9. toUpperCaseFirstOne(String s)