code: def interpret(self, expr):
      top_cg = self.create_code_generator()
  
      if self.package_name:
          top_cg.add_package_name(self.package_name)
  
      with top_cg.class_definition(self.class_name):
          # Since we use SubroutinesMixin, we already have logic
          # of adding methods. We create first subroutine for incoming
          # expression and call `process_subroutine_queue` method.
          self.enqueue_subroutine(self.function_name, expr)
          self.process_subroutine_queue(top_cg)
  
          current_dir = Path(__file__).absolute().parent
  
          if self.with_linear_algebra:
              filename = current_dir / "linear_algebra.java"
              top_cg.add_code_lines(get_file_content(filename))
  
          if self.with_softmax_expr:
              filename = current_dir / "softmax.java"
              top_cg.add_code_lines(get_file_content(filename))
  
          if self.with_sigmoid_expr:
              filename = current_dir / "sigmoid.java"
              top_cg.add_code_lines(get_file_content(filename))
  
      return top_cg.finalize_and_get_generated_code()
  
file_path: m2cgen/m2cgen/interpreters/java/interpreter.py
imports: from pathlib import Path
  from m2cgen.ast import BinNumOpType
  from m2cgen.interpreters.interpreter import ImperativeToCodeInterpreter
  from m2cgen.interpreters.java.code_generator import JavaCodeGenerator
  from m2cgen.interpreters.mixins import LinearAlgebraMixin, PowExprFunctionMixin, SubroutinesMixin
  from m2cgen.interpreters.utils import get_file_content
label_desc: Use image node_id 2 for calling the JavaInterpreter obj's underlying member method code with example usage: obj.interpret(expr) and returns: top_cg