Java String Upper Case toUpperCaseFirst(String str)

Description

to Upper Case First

License

Apache License

Declaration

public static String toUpperCaseFirst(String str) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {
    public static String toUpperCaseFirst(String str) {
        if (str == null) {
            return null;
        } else if (str.length() == 0) {
            return str;
        } else {//  ww  w . j  av  a 2  s. c om
            String pre = String.valueOf(str.charAt(0));
            return str.replaceFirst(pre, pre.toUpperCase());
        }
    }

    public static String toUpperCase(String instr) {
        return instr == null ? instr : instr.toUpperCase();
    }
}

Related

1. toUpperCaseArray(String[] source, String[] target)
2. toUpperCaseAscii(String s)
3. toUpperCaseAt(String oldString, int index)
4. toUpperCaseAtFirstChar(String string)
5. toUpperCaseFirst(String str)
6. toUpperCaseFirst(String str)
7. toUpperCaseFirst(String text)
8. toUpperCaseFirst(String text)
9. toUpperCaseFirstAll(String text)