Is there any library to deserialize with python which is serialized with java?
If you are using Java classes, then I don't even know what it would mean to deserialize a Java class in a Python environment.  If you are only using simple primitives (ints, floats, strings), then it probably wouldn't be too hard to build a Python library that could deserialize the Java format.
But as others have said, there are better cross-platform solutions.
Is there any library to deserialize with python which is serialized with java