Java: Chapter 2 Review
The remainder operator____________
must follow a division operation
The value 137.68 can be held by a variable of type
a. int b. float c. double d. Two of the preceding answers are correct. (answer float and double)
An escape sequence always begins with a(n):
backslash
Which type of variable can hold the value 'true' or 'false':
boolean
Data type that can store a value in the least amount of memory:
byte
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 of the following is not a primitive data type in Java: boolean, byte, int, or sector
sector
According to the rules of operator precedence, when division occurs in the same arithmetic statement as __________, the division operation always takes place first.
subtraction
What do you use to explicitly override an implicit type:
type cast
Which is a correct statement to prompt the program to output a line:
System.out.println();
Which assignment is correct in Java?
a) Double money= 12; b) Double money= 12.0; c) Double money= 12.0d; All of the above are correct(answer):
Which assignment is correct in Java?
a. int value = (float) 4.5; b. float value = 4 (double); c. double value = 2.12; <----- Answer d. char value = 5c;
Which of the following elements is not required in a variable declaration: a type, an identifier, an assigned value, or a semicolon
an assigned value
Which Java statement produces the following output? w xyz
c. System.out.println("w\nxyz");
Example of a correct assignment statement for a character data type:
char aChar = '*';
When data cannot be changed after a class is compiled, the data is:
constant
If you attempt to add a float, an int, and a byte, the result will be a(n)__________________
d. error
What are two data type variables that can hold values with decimals:
float or double
When you perform arithmetic with values of diverse types, Java:
implicitly converts the values to a unifying type
example of a valid assignment statement in Java
shoeSize = 9;
You use a ___________ to explicitly override an implicit type.
type cast
