FontysVenlo - PRC1 - W12

When do you chose the types for a generic class?

• At declaration/initialization

• When defining the generic class

• You don't

What types can be used as type parameter?

• Reference types

• Primitive types

• Both primitive and reference types

• None

Why would you use type parameters?

• Code re-use

• Type checking

• Eliminate casts

• Looks fancy

What is the correct way to make a generic storage class?

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What is/are the correct way(s) to implement the following generic interface?

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What method is used to determine the index of a key in a HashMap?

• hashCode()

• equals(Objet obj)

• index()

What is the correct way to implement a six-sided die?

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Can a two-dimensional array have rows of different sizes?

• Yes

• No

• It depends

What are valid ways to create multi-dimensional arrays?

• int[][] integers = {{1,2,3}, {4,5,6,7}};

• String[][][] strings = new String[12][5][];

• double[][] doubles = new double[][]{{1.0, 2.0}, {3.0, 4.0}};

• byte[][] bytes = new byte[4][5];