Java: Classes and Objects UPDATED ACTUAL Exam Questions and CORRECT Answers

Java: Classes and Objects UPDATED ACTUAL Exam Questions
and CORRECT Answers


To perform an operation on an object, we _______ one of the instance methods associated with
the object. - Call



How do you call an instance method - object.methodname(arguments)


Reference variables are known as _______ variables in other programming languages. - Pointer


What value can we assign to an object variable to indicate that it doesn't currently store an
object? - null



A new object that's been created by copying an existing object is said to be a _______. - Clone



An object that's no longer accessible through any object variable is said to be _______. -
Garbage



An instance method that returns the value of an instance variable is said to be an _______. -
Accessor/Getter



An instance method that stores its parameter into an instance variable is said to be an ________.
- Mutator/Setter



An object whose instance variables cannot be changed is said to be _______. - Immutable


A mehtod that returns the contents of an object as a string should be named ______. - toString


The act of joining two strings together to form a single string is called _______. - Concatenation