code: public ConstantPoolEntry getConstantArg()
    {
      switch (getOpcode()) {
      case LDC:
        return _javaClass.getConstantPool().getEntry(getByteArg());
        
      case LDC_W:
        return _javaClass.getConstantPool().getEntry(getShortArg());
  
      default:
        throw new UnsupportedOperationException();
      }
    }
docs: Returns a constant pool item.