AP CS A Quiz 5 PRACTICE

What mistake is in the following code?

• It should say return true

• The return value should be cast to a double

• The parameter should be a double type

• A method whose return type is void cannot return a value

• In a return statement, calculations cannot be done

Consider a method defined with the header shown here.

Which of the following method calls is NOT legal?

• 
• 
• 
• 
• 

When you pass an int variable to a method, the method receives ______.

• a copy of the memory address

• the reference of the variable

• the length of the variable

• a copy of the variable

• binary of the memory address

Consider the following method.

Which of the following methods produce the same results?

• I only

• II only

• III only

• I and II

• I, II, and III

Which of the following is NOT a way Java tells overloaded methods apart?

• the return type

• the number of parameters

• the type of parameters

• the order of parameters

• All these items can be used to tell overloaded methods apart

Given the following code, what is output by the method call, mystery(7, 5)?

• A

• B

• C

• D

• nothing is printed - there is an error

Consider the following method which makes use of the edhesive.shapes.Circle class.

What is printed when the following code in the main method is executed?

• 2 2

• 2 6

• 6 2

• 6 6

• nothing is printed, an error occurs

Consider the following methods:

What is output by the following?

• 1.5 6.0

• 1.5 6

• 1 6.0

• 1.0 6.0

• 1.0 6

What is output by the following code?

• 2.4 5 2.6

• 2.4 2.6 5

• 2.4

• 2.6

• 5

Consider the following methods:

What is output by the method call printSport(10.0)?

• football basketball

• football football basketball basketball

• football

• basketball

• basketball football