py4j: py4j (bridge between Python and Java) py4j: py4j: Py4J enables Python programs running in a Python interpreter to py4j: dynamically access Java objects in a Java Virtual Machine. Methods are py4j: called as if the Java objects resided in the Python interpreter and py4j: Java collections can be accessed through standard Python collection py4j: methods. Py4J also enables Java programs to call back Python objects. py4j: py4j: py4j: py4j: