Object-Oriented Programming Prelim Exam

Question 1

Specifies all the information needed to call a method.

Answer 1

Method Declaration

Question 2

Specifies whether other classes can use a particular field or invoke a particular method.

Answer 2

Access Modifier

Question 3

The data type of the value returned by the method, or void if the method does not return a value.

Answer 3

Return Type

Question 4

Should follow the naming convention rules.

Answer 4

Method Name

Question 5

A comma-delimited list of input parameters, preceded by their data types and enclosed by parenthesis.

Answer 5

Parameter List

Question 6

Indicates that the method might throw one of the listed exception types.

Answer 6

Optional Exception List

Question 7

Everything that is enclosed between braces.

Answer 7

Method Body

Question 8

Public, private, protected, package-private

Answer 8

Access Modifiers

Question 9

This modifier allows the method to be visible to all classes everywhere.

Answer 9

Public

Question 10

This modifier specifies that the method can only be accessed in its own class.

Answer 10

Private

Question 11

This modifier specifies that the member can only be accessed within its own package and by a subclass of its class in another package.

Answer 11

Protected

Question 12

This modifier (no modifier) specifies that the member can only be accessed within its own package.

Answer 12

Package-private

Question 13

Any field declared with the static modifier.

Answer 13

Static variable or variable

Question 14

This belongs to the class rather than the object of a class.

Answer 14

Static Method

Question 15

Any variable or method that is non-static.

Answer 15

Instance variable or method

Question 16

Any variable that is declared outside any method, constructor, or block.

Answer 16

Instance variable

Question 17

The variables listed in a method declaration.

Answer 17

Parameters

Question 18

The actual values that are passed in when the method is invoked.

Answer 18

Arguments

Question 19

Consists of the method’s name and the parameter types.

Answer 19

Method Signature

Question 20

Occurs when there are different method signatures with the same name but different type parameters.

Answer 20

Method Overload

Question 21

The automatic conversion that the Java compiler makes between the primitive types and their corresponding object wrapper classes.

Answer 21

Autoboxing