19. Generic classes

Question 1

What do we add to the name of a generic class in order to get a parameterized type?

Answer 1

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Question 2

What is the purpose of a bound type parameter?

Answer 2

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Question 3

What is the difference between the following?

1. public class C { }
2. public class C { }

Answer 3

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Question 4

Why can we not refer to type parameters in static methods of a generic class? What else can we not do with type parameters?

Answer 4

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Question 5

What is the raw type of a generic class, and why does Java allow it to be used?

Answer 5

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Question 6

What is the difference between the following?

1. 10
2. new Integer(10)

Answer 6

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Question 7

Where is autoboxing and auto-unboxing occurring in the following?

Integer anInteger = 10;
Integer anotherInteger = anInteger + 1;
System.out.println(anotherInteger - anInteger);

Answer 7

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