Chapter 4 Book Quiz

Question 1

This type of method does not return a value.

Answer 1

void

Question 2

This appears at the beginning of a method definition.

Answer 2

header

Question 3

The body of a method is enclosed in .

Answer 3

curly braces { }

Question 4

A method header can contain .

Answer 4

method modifiers
the method return type
the method name
a list of parameter declarations

Question 5

A value that is passed into a method when it is called is known as
a(n)

Answer 5

argument

Question 6

A variable that receives a value that is passed into a method is
known as a(n)

Answer 6

parameter

Question 7

This javadoc tag is used to document a parameter variable.

Answer 7

@param

Question 8

This javadoc tag is used to document a method’s return value

Answer 8

@return

Question 9

This statement causes a method to end and sends a value back to
the statement that called the method

Answer 9

Return

Question 10

TRUE OR FALSE: You terminate a method header with a
semicolon.

Answer 10

False

Question 11

TRUE OR FALSE: When passing an argument to a method, Java
will automatically perform a widening conversion (convert the
argument to a higher-ranking data type), if necessary

Answer 11

True

Question 12

TRUE OR FALSE: When passing an argument to a method, Java
will automatically perform a narrowing conversion (convert the
argument to a lower-ranking data type), if necessary.

Answer 12

False

Question 13

TRUE OR FALSE: A parameter variable’s scope is the entire
program that contains the method in which the parameter is
declared.

Answer 13

False

Question 14

TRUE OR FALSE: When code in a method changes the value of a
parameter, it also changes the value of the argument that was
passed into the parameter

Answer 14

False

Question 15

TRUE OR FALSE: When an object, such as a String , is passed
as an argument, it is actually a reference to the object that is
passed

Answer 15

True

Question 16

TRUE OR FALSE: The contents of a String object cannot be
changed

Answer 16

True

Question 17

TRUE OR FALSE: When passing multiple arguments to a
method, the order in which the arguments are passed is not
important

Answer 17

False

Question 18

TRUE OR FALSE: No two methods in the same program can
have a local variable with the same name.

Answer 18

True

Question 19

TRUE OR FALSE: It is possible for one method to access a local
variable that is declared in another method

Answer 19

False

Question 20

TRUE OR FALSE: You must have a return statement in a
value-returning method

Answer 20

True