false to spring, what data type should i use in the backend, and also mysql? bcause in mysql i want to save 1 and 0
You could use a boolean for that
Note that if you don't provide a default value for checkbox parameters you're receiving in the controller, you'll end up receiving null if the checkbox isn't checked: public String methodName(@RequestParam(defaultValue = "false") boolean checkbox){ } This is how you should approach.
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