How would you port this c# code over to Java?
public Hash(object defaultValue)
: this()
{
_defaultValue = defaultValue;
}
public Hash(Func<Hash, string, object> lambda)
: this()
{
_lambda = lambda;
}
public Hash()
{
_nestedDictionary = new Dictionary<string, object>(Template.NamingConvention.StringComparer);
}