Java String Camel Case to Underscore camelToUnderline(String param)

Description

camel To Underline

License

Open Source License

Declaration

public static String camelToUnderline(String param) 

Method Source Code

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

public class Main {

    public static String camelToUnderline(String param) {
        if (param == null || param.length() == 0) {
            return param;
        }// w ww.  j  av a  2  s  . co m
        int len = param.length();
        StringBuilder sb = new StringBuilder(len);
        for (int i = 0; i < len; i++) {
            char c = param.charAt(i);
            if (Character.isUpperCase(c)) {
                sb.append('_');
                sb.append(Character.toLowerCase(c));
            } else {
                sb.append(c);
            }
        }
        return sb.toString();
    }
}

Related

1. camelCaseToUnderScore(String key)
2. camelCaseToUnderscored(String camelCaseName)
3. camelCaseToUnderscores(String camel)
4. camelCaseToUnderScoreUpperCase(String camelCase)
5. camelToUnder(String value)
6. camelToUnderlinedName(String name)
7. camelToUnderLineString(String str)
8. camelToUnderscore(String value)