code: def _get_delta_table_latest_version(j_delta_table) -> int:
      """Obtains the latest version of the specified Delta table Java class.
  
      Args:
          delta_table: A Java DeltaTable class instance.
  
      Returns:
          The version of the Delta table.
  
      """
      latest_commit_jdf = j_delta_table.history(1)
      latest_commit_row = latest_commit_jdf.head()
      version_field_idx = latest_commit_row.fieldIndex("version")
      return latest_commit_row.get(version_field_idx)
  
imports: import logging
  import os
  from typing import Optional
label_desc: Use image node_id 5 for calling a global function with example usage: _get_delta_table_latest_version(j_delta_table) and returns: latest_commit_row