code: def py_func_call_java_function():
      try:
          # None
          r = ray.cross_language.java_function(
              "io.ray.test.CrossLanguageInvocationTest", "returnInput"
          ).remote(None)
          assert ray.get(r) is None
          # bool
          r = ray.cross_language.java_function(
              "io.ray.test.CrossLanguageInvocationTest",
              "returnInputBoolean",
          ).remote(True)
          assert ray.get(r) is True
          # int
          r = ray.cross_language.java_function(
              "io.ray.test.CrossLanguageInvocationTest",
              "returnInputInt",
          ).remote(100)
          assert ray.get(r) == 100
          # double
          r = ray.cross_language.java_function(
              "io.ray.test.CrossLanguageInvocationTest",
              "returnInputDouble",
          ).remote(1.23)
          assert ray.get(r) == 1.23
          # string
          r = ray.cross_language.java_function(
              "io.ray.test.CrossLanguageInvocationTest",
              "returnInputString",
          ).remote("Hello World!")
          assert ray.get(r) == "Hello World!"
          # list (tuple will be packed by pickle,
          # so only list can be transferred across language)
          r = ray.cross_language.java_function(
              "io.ray.test.CrossLanguageInvocationTest",
              "returnInputIntArray",
          ).remote([1, 2, 3])
          assert ray.get(r) == [1, 2, 3]
          # pack
          f = ray.cross_language.java_function(
              "io.ray.test.CrossLanguageInvocationTest", "pack"
          )
          input = [100, "hello", 1.23, [1, "2", 3.0]]
          r = f.remote(*input)
          assert ray.get(r) == input
          return "success"
      except Exception as ex:
          return str(ex)
  
imports: import asyncio
  import ray
label_desc: Use image node_id 2 for calling a global function with example usage: py_func_call_java_function() and returns: str, str