Question 1

Which of the following initializer lists would correctly set the elements of array n?

Accepted Answer

A)  int[] n = {1, 2, 3, 4, 5};. 
B)  array n[int] = {1, 2, 3, 4, 5};. 
C)  int n[5] = {1; 2; 3; 4; 5};. 
D)  int n = new int(1, 2, 3, 4, 5);. 
A)  int[] n = {1, 2, 3, 4, 5};. 
B)  array n[int] = {1, 2, 3, 4, 5};. 
C)  int n[5] = {1; 2; 3; 4; 5};. 
D)  int n = new int(1, 2, 3, 4, 5);.

Question 2

What kind of application tests a class by creating an object of that class and calling the class's methods?

Accepted Answer

A)  Pseudo application. 
B)  Debugger. 
C)  Declarator. 
D)  Test harness. 
A)  Pseudo application. 
B)  Debugger. 
C)  Declarator. 
D)  Test harness.

Question 3

Assume class Book has been declared. Which set of statements creates an array of Books?

Accepted Answer

A)  Book[] books;
Books = new Book[numberElements]; 
B)  Book[] books];
Books = new Book()[numberElements]; 
C)  new Book() books[];
Books = new Book[numberElements]; 
D)  All of the above. 
A)  Book[] books;
Books = new Book[numberElements]; 
B)  Book[] books];
Books = new Book()[numberElements]; 
C)  new Book() books[];
Books = new Book[numberElements]; 
D)  All of the above.

Question 4

Consider integer array values, which contains 5 elements. Which statements successfully swap the contents of the array at index 3 and index 4?

Accepted Answer

A)  values[3] = values[4];
Values[4] = values[3]; 
B)  values[4] = values[3];
Values[3] = values[4]; 
C)  int temp = values[3];
Values[3] = values[4];
Values[4] = temp; 
D)  int temp = values[3];
Values[3] = values[4];
Values[4] = values[3]; 
A)  values[3] = values[4];
Values[4] = values[3]; 
B)  values[4] = values[3];
Values[3] = values[4]; 
C)  int temp = values[3];
Values[3] = values[4];
Values[4] = temp; 
D)  int temp = values[3];
Values[3] = values[4];
Values[4] = values[3];

Question 5

Which method call converts the value in variable stringVariable to an integer?

Accepted Answer

A)  Convert.toInt(stringVariable) 
B)  Convert.parseInt(stringVariable) 
C)  Integer.parseInt(stringVariable) 
D)  Integer.toInt(stringVariable) 
A)  Convert.toInt(stringVariable) 
B)  Convert.parseInt(stringVariable) 
C)  Integer.parseInt(stringVariable) 
D)  Integer.toInt(stringVariable)

Question 6

Exception handling helps you create ________ programs.

Accepted Answer

A)  high-performance 
B)  logic-error-free 
C)  fault-tolerant 
D)  compilation-error-free 
A)  high-performance 
B)  logic-error-free 
C)  fault-tolerant 
D)  compilation-error-free

Which of the following initializer lists would correctly set the elements of array n?

What kind of application tests a class by creating an object of that class and calling the class's methods?

Assume class Book has been declared. Which set of statements creates an array of Books?

Consider integer array values, which contains 5 elements. Which statements successfully swap the contents of the array at index 3 and index 4?

Which method call converts the value in variable stringVariable to an integer?

Exception handling helps you create ________ programs.

Introduction to Computers, the Internet and Java

Introduction to Java Applications; Inputoutput and Operators

Introduction to Classes, Objects, Methods and Strings

Control Statements: Assignment, and Operators

Control Statements: Logical Operators

Methods: a Deeper Look

Classes and Objects: a Deeper Look

Object-Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism and Interfaces

Exception Handling: a Deeper Look

Javafx Graphical User Interfaces

Javafx Gui

Strings, Characters and Regular Expressions

Files, Inputoutput Streams, Nio and Xml Serialization

Generic Collections

Lambdas and Streams

Recursion

Searching, Sorting and Big O

Generic Classes and Methods: a Deeper Look

Custom Generic Data Structures

Concurrency

Accessing Databases With Jdbc

Swing Gui Components

Graphics and Java 2d

Networking

Java Persistence Api Jpa

Javaserver Faces Web Apps

Javaserver Faces Web Apps

Swing Gui Components

Filters

Exam 7: Arrays and Arraylists

Which of the following initializer lists would correctly set the elements of array n?

What kind of application tests a class by creating an object of that class and calling the class's methods?

Assume class Book has been declared. Which set of statements creates an array of Books?

Consider integer array values, which contains 5 elements. Which statements successfully swap the contents of the array at index 3 and index 4?

Which method call converts the value in variable stringVariable to an integer?

Exception handling helps you create ________ programs.

Introduction to Computers, the Internet and Java

Introduction to Java Applications; Inputoutput and Operators

Introduction to Classes, Objects, Methods and Strings

Control Statements: Assignment, and Operators

Control Statements: Logical Operators

Methods: a Deeper Look

Classes and Objects: a Deeper Look

Object-Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism and Interfaces

Exception Handling: a Deeper Look

Javafx Graphical User Interfaces

Javafx Gui

Strings, Characters and Regular Expressions

Files, Inputoutput Streams, Nio and Xml Serialization

Generic Collections

Lambdas and Streams

Recursion

Searching, Sorting and Big O

Generic Classes and Methods: a Deeper Look

Custom Generic Data Structures

Concurrency

Accessing Databases With Jdbc

Swing Gui Components

Graphics and Java 2d

Networking

Java Persistence Api Jpa

Javaserver Faces Web Apps

Javaserver Faces Web Apps

Swing Gui Components

Filters