NEED simple example JPA CRUD
hi all.. i was noob for JPA.... and i want to make a class where in one class it mount a function to create... delete update and read.... for read and create i was succesfully but for the delete and update queries it was not worked... but the program still run properlly....
here is my sample code
TabelCoba coba=em.find(TabelCoba.class, 1);
em = emf.createEntityManager();
what is the mean of the first line where (tabelCoba.class,1); is??
thanks for the kindness