tokens: As you can see I tried to do it by creating a static array that gets added to as part of the constructor , but the compiler gives me an error : " lvalue required as left operand of assignment " in the place I indicated .
ner_tags: O O O O O O O O O O O O B-Data_Type B-Data_Structure O O O O O O O O O O O O B-Application O O O O O B-Output_Block I-Output_Block I-Output_Block I-Output_Block I-Output_Block I-Output_Block I-Output_Block I-Output_Block I-Output_Block O O O O O O