Question 1

The Type parameter is always indicated as a T.

Accepted Answer

A) True 
 B)False  False

Question 2

All of the following are memory management methods of the ArrayList class except:

Accepted Answer

A) ensureCapacity) 
B) clear) 
C) isEmpty) 
D) trimToSize) 
A) ensureCapacity) 
B) clear) 
C) isEmpty) 
D) trimToSize) B

Question 3

You can plug in a primitive type for a type parameter.

Accepted Answer

A) True 
 B)False  False

Question 4

Which is the correct syntax for placing the string "boat" into an ArrayList name recVehicles in position 3 for the first time?

Accepted Answer

A) recVehicles.set3,"boat"); 
B) recVehicles.set"boat",3); 
C) recVehicles.add3,"boat"); 
D) recVehicles.add"boat",3); 
A) recVehicles.set3,"boat"); 
B) recVehicles.set"boat",3); 
C) recVehicles.add3,"boat"); 
D) recVehicles.add"boat",3);

Question 5

All of the following are search methods of the ArrayList class except:

Accepted Answer

A) isEmpty) 
B) lastIndexOf) 
C) indexOf) 
D) contains) 
A) isEmpty) 
B) lastIndexOf) 
C) indexOf) 
D) contains)

Question 6

All of the following are methods of the ArrayList class except:

Accepted Answer

A) clear) 
B) resize) 
C) contains) 
D) trimToSize) 
A) clear) 
B) resize) 
C) contains) 
D) trimToSize)

Question 7

A class obtained from a generic class by plugging in a type for the type parameter is said to ________ the generic class.

Accepted Answer

A) Inherit 
B) Encapsulate 
C) Instantiate 
D) None of the above 
A) Inherit 
B) Encapsulate 
C) Instantiate 
D) None of the above

Question 8

A/An ____________ can change the length while the program is running.

Accepted Answer

A) Array 
B) ArrayList 
C) Type parameter 
D) None of the above 
A) Array 
B) ArrayList 
C) Type parameter 
D) None of the above

Question 9

Rewrite the following line of code,but use type inference.
ArrayList mylist = new ArrayList);

Accepted Answer

ArrayList<

Question 10

When using ArrayLists the method _______ can be used to save memory:

Accepted Answer

A) trimToSize) 
B) trimDown) 
C) trimOff) 
D) None of the above 
A) trimToSize) 
B) trimDown) 
C) trimOff) 
D) None of the above

Question 11

Write a Java statement to create an ArrayList to hold 25 integers.

Accepted Answer

ArrayList< Integer >

Question 12

To place an element in an ArrayList position for the first time,you usually use the method:

Accepted Answer

A) put) 
B) set) 
C) add) 
D) place) 
A) put) 
B) set) 
C) add) 
D) place)

Question 13

Inheritance is the reason why some parameters of the ArrayList class are of type Base_Type and others of type Object.

Accepted Answer

A) True 
 B)False

Question 14

The keyword ___________ can be used to place a bound on a type parameter.

Accepted Answer

A) Implements 
B) Inherits 
C) Encapsulates 
D) Extends 
A) Implements 
B) Inherits 
C) Encapsulates 
D) Extends

Question 15

ArrayList objects do not have the array square-bracket notation.

Accepted Answer

A) True 
 B)False

Question 16

What is the base type of the ArrayList defined in question number 2?

Accepted Answer

The answer of What is the base type of the...

Question 17

Class and method definitions that include parameters for types are called:

Accepted Answer

A) generics 
B) ArrayList 
C) Base type 
D) None of the above 
A) generics 
B) ArrayList 
C) Base type 
D) None of the above

Question 18

A generic class can be instantiated as any of the following base types except:

Accepted Answer

A) Character 
B) Array 
C) String 
D) Double 
A) Character 
B) Array 
C) String 
D) Double

Question 19

An ArrayList object has a fixed size.

Accepted Answer

A) True 
 B)False

Question 20

A class definition can have more than one type parameter.

Accepted Answer

A) True 
 B)False

The Type parameter is always indicated as a T.

All of the following are memory management methods of the ArrayList class except:

You can plug in a primitive type for a type parameter.

Which is the correct syntax for placing the string "boat" into an ArrayList name recVehicles in position 3 for the first time?

All of the following are search methods of the ArrayList class except:

All of the following are methods of the ArrayList class except:

A class obtained from a generic class by plugging in a type for the type parameter is said to ________ the generic class.

A/An ____________ can change the length while the program is running.

Rewrite the following line of code,but use type inference. ArrayList< Integer > mylist = new ArrayList< Integer >);

When using ArrayLists the method _______ can be used to save memory:

Write a Java statement to create an ArrayList to hold 25 integers.

To place an element in an ArrayList position for the first time,you usually use the method:

Inheritance is the reason why some parameters of the ArrayList class are of type Base_Type and others of type Object.

The keyword ___________ can be used to place a bound on a type parameter.

ArrayList objects do not have the array square-bracket notation.

What is the base type of the ArrayList defined in question number 2?

Class and method definitions that include parameters for types are called:

A generic class can be instantiated as any of the following base types except:

An ArrayList object has a fixed size.

A class definition can have more than one type parameter.

Getting Started

Console Input and Output

Flow of Control

Defining Classes I

Defining Classes II

Arrays

Inheritance

Polymorphism and Abstract Classes

Exception Handling

File IO

Recursion

Uml and Patterns

Interfaces and Inner Classes

Linked Data Structures

Collections,maps,and Iterators

Swing I

Swing II

Java Never Ends

Applets

Filters

Exam 14: Generics and the Arraylist Class

The Type parameter is always indicated as a T.

All of the following are memory management methods of the ArrayList class except:

You can plug in a primitive type for a type parameter.

Which is the correct syntax for placing the string "boat" into an ArrayList name recVehicles in position 3 for the first time?

All of the following are search methods of the ArrayList class except:

All of the following are methods of the ArrayList class except:

A class obtained from a generic class by plugging in a type for the type parameter is said to ________ the generic class.

A/An ____________ can change the length while the program is running.

Rewrite the following line of code,but use type inference. ArrayList< Integer > mylist = new ArrayList< Integer >);

When using ArrayLists the method _______ can be used to save memory:

Write a Java statement to create an ArrayList to hold 25 integers.

To place an element in an ArrayList position for the first time,you usually use the method:

Inheritance is the reason why some parameters of the ArrayList class are of type Base_Type and others of type Object.

The keyword ___________ can be used to place a bound on a type parameter.

ArrayList objects do not have the array square-bracket notation.

What is the base type of the ArrayList defined in question number 2?

Class and method definitions that include parameters for types are called:

A generic class can be instantiated as any of the following base types except:

An ArrayList object has a fixed size.

A class definition can have more than one type parameter.

Getting Started

Console Input and Output

Flow of Control

Defining Classes I

Defining Classes II

Arrays

Inheritance

Polymorphism and Abstract Classes

Exception Handling

File IO

Recursion

Uml and Patterns

Interfaces and Inner Classes

Linked Data Structures

Collections,maps,and Iterators

Swing I

Swing II

Java Never Ends

Applets

Filters