def FormatClassToJava(i):
    """
    Transform a java class name into the typed variant found in DEX files.

    example::

        >>> FormatClassToJava('java.lang.Object')
        'Ljava/lang/Object;'

    :param i: the input class name
    :rtype: str
    """
    return 'L' + i.replace('.', '/') + ';'
