code: def allmain():
      # Read all java files from a folder
      javalist = []
      listdir(javapath, javalist)
  
      for javafile in javalist:
          try:
              one_matrix(javafile)
          except (
              UnicodeDecodeError,
              javalang.parser.JavaSyntaxError,
              javalang.tokenizer.LexerError,
          ):
              print(javafile)
  
file_path: amain/get_matrix.py
imports: import numpy
  import javalang
  from javalang.ast import Node
  from anytree import AnyNode
  import time
  import os
  from multiprocessing import Pool
  from functools import partial
label_desc: Use image node_id 8 for calling a global function with example usage: allmain() without return types