java - I want to add jcheckbox colum in last for present/absent ,and also how will handle change in database -

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in table data come database table

student(std_id,std_name,total_class,present_class,att_status);

i want show 3 columns in table: std_id, std_name, , present/absent(jcheckbox).

how change in data base total_class, present_class according whether or not jcheckbox check or unchecked?

please me have complete project.


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