microsoft-azure-storage/src/com/microsoft/azure/storage/core/Utility.java
protected static String trimEnd(final String value, final char trimChar) {
        int stopDex = value.length() - 1;
        while (stopDex > 0 && value.charAt(stopDex) == trimChar) {
            stopDex--;
        }

        return stopDex == value.length() - 1 ? value : value.substring(stopDex);
    }
protected static String trimEnd(final String value, final char trimChar) {
        int stopDex = value.length() - 1;
        while (stopDex > 0 && value.charAt(stopDex) == trimChar) {
            stopDex--;
        }

        return stopDex == value.length() - 1 ? value : value.substring(stopDex);
    }
Trims the specified character from the end of a string.

@param value
A <code>String</code> that represents the string to trim.
@param trimChar
The character to trim from the end of the string.

@return The string with the specified character trimmed from the end.