1.Can a primitive type be used as a type argument? 2. Show how to declare a class called FlightSched that takes two generic parameters. 3. Beginning with your answer to question 3, change...

1.Can a primitive type be used as a type argument? 2. Show how to declare a class called FlightSched that takes two generic parameters. 3. Beginning with your answer to question 3, change FlightSched’s second type parameter so that it must extend Thread. 4. Now, change FlightSched so that its second type parameter must be a subclass of its first type parameter.