Java String Camel Case Format toCamelCase(String s)

Description

Force the first character to be lower case.

License

Open Source License

Declaration

public static String toCamelCase(String s) 

Method Source Code

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

public class Main {
    /**/* www . j  a  va  2  s  .co m*/
     * Force the first character to be lower case.  If there are spaces in
     * the string, remove them and replace the next character with a
     * capitalized version of itself.
     */
    public static String toCamelCase(String s) {
        String str = s.trim();
        StringBuilder buffer = new StringBuilder();
        boolean capitalizeNext = true; // signal to capitalize next char

        for (int i = 0; i < str.length(); i++) {
            // If there is a none-alphanumeric character, skip it and insert
            // the next character capitalized
            if (!Character.isLetterOrDigit(str.charAt(i))) {
                capitalizeNext = true;
                continue;
            }

            if (capitalizeNext) { // will capitalize the first character
                buffer.append(Character.toUpperCase(str.charAt(i)));
                capitalizeNext = false;
                continue;
            }

            // Otherwise, just copy
            buffer.append(str.charAt(i));
        }

        return buffer.toString();
    }
}

Related

1. toCamelCase(String s)
2. toCamelCase(String s)
3. toCamelCase(String s)
4. toCamelCase(String s)
5. toCamelCase(String s)
6. toCamelCase(String s)
7. toCamelCase(String s)
8. toCamelCase(String s)
9. toCamelCase(String s)