Chapter 2 Review Questions

Which assignment is correct in Java?

char aChar = '*';

The remainder operator ...

none of the above

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

sector

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

shoeSize = 9;

A boolean variable can hold ...

the value true or false

You use a ...

type cast to explicitly override an implicit type

In Java, what is the value of 3 + 7 * 4 + 2?

33

The assignment operator in Java is ...

=

The equal to relational operator is ...

==

Which Java statement produces 'w' on one line and 'xyz' on the next line?

System.out.println("w\nxyz")

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

an assigned value

Which of the following data types can store the value 0 using the least amount of memory?

byte

An escape sequence always begins with a(n)

backslash

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

constant

Which assignment is correct in Java?

double money = 12; double money = 12.0; double money = 12.0d; all of the above

Which assignment is correct in Java?

double value = 2.12;

If you attempt to add a float, an int, and a byte, the result will be a(n) ...

float

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

float/double

When you perform arithmetic with values of diverse types, Java ...

implicitly converts the values to a unifying type

According to the rules of operator precedence, when division occurs in the same arithmetic statement as ...

subtraction, the division operation always takes place first.