code: def _make_java_allocator(self):
      # Return a new allocator
      return self.java_arrow.memory.RootAllocator()
  
imports: import contextlib
  import functools
  import os
  import subprocess
  from .None import cdata
  from .tester import Tester, CDataExporter, CDataImporter
  from .util import run_cmd, log
  from ..utils.source import ARROW_ROOT_DEFAULT
label_desc: Use image node_id 5 for calling the _CDataBase obj's underlying member method code with example usage: obj._make_java_allocator() and returns: self