Hashtable to Java Hashtable do not work

i us this method to col a function in java

Unity :

myClass.Call("javaFunction",myHashtable) ;

Java

why do not work ? with this system i pass bool int string and work but Hashtable no!!

Because objects don’t pass through bridges with other languages that are outside the .NET space, only serialized data and core classes (numerics string)

You will have to serialize your hashtable to string to deserialize it on the Java side again