QUESTION $6$

The statement below is a good example of what?

Employee e $=$ new Salary$("$John Adams", "Boston", $"$MA$","02112",2400\mathrm{.}00)$;

polymorphism

early binding

a compiler error!

poor OOD practicing

QUESTION $7$

In the realm of JDBC$,$ use of PreparedStatements help prevent what?

increased threads

SQL Injection

execution of stored procedures

does not prevent anything, just executes insert statements like JDBC statements do