Computer Science: Chapter 2 Test Review

When data cannot be changed after a class is compiled, the data is __________.

• Constant

• Variable

• Volatile

• Mutable

Which of the following is not a primitive data type in Java?

• Boolean

• Byte

• Int

• Sector

Which of the following elements is not required in a variable declaration?

• A Type

• An Identifier

• An Assigned Value

• A Semicolon

The assignment operator in Java is __________.

• =

• ==

• :=

• ::

Assuming you have declared shoeSize to be a variable of type int, which of the following is a valid assignment statement in Java?

• shoeSize = 9;

• shoeSize = 9.5;

• shoeSize = '9';

• shoeSize = "nine";

Which of the following data types can store a value in the least amount of memory?

• Short

• Long

• Int

• Byte

A boolean variable can hold __________.

• Any Character

• Any Whole Number

• Any Decimal Number

• The Value True Or False

The value 137.68 can be held by a variable of type __________.

• Int

• Float

• Double

• Float and Double Are Correct

An escape sequence always begins with a(n) __________.

• E

• Forward Slash

• Backslash

• Equal Sign

Which Java statement produces the following output?

w

xyz

• System.out.println("waxy");

• System.out.println("w" + "xyz");

• System.out.println("w\nxyz");

• System.out.println("w\nx\ny\nz");