Introduction to Programming Final Exam
Course Introduction
Introduction to Programming is a foundational course designed to teach students the core concepts of computer programming using a high-level language such as Python or Java. The course emphasizes problem-solving techniques, algorithmic thinking, and structured programming principles. Students will learn about basic data types, control structures, functions, loops, conditionals, and simple data structures. Through hands-on coding exercises and projects, learners will develop the skills necessary to write, test, and debug simple programs, preparing them for further study in computer science and related fields.
Recommended Textbook
Absolute Java 5th Edition by Walter Savitch
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Page 2
Chapter 1: Getting Started
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Q1) The Java programming language allows you to concatenate two strings using the plus sign.
A)True
B)False
Answer: True
Q2) The result of integer division is truncated in Java.
A)True
B)False
Answer: True
Q3) Java uses the ASCII character set.
A)True
B)False
Answer: False
Q4) The syntax that declares a Java named constant named SALES_TAX is:
A)double SALES_TAX = 7.50;
B)public double SALES_TAX = 7.50;
C)public static double SALES_TAX = 7.50;
D)public static final double SALES_TAX = 7.50;
Answer: D
Page 3
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Chapter 2: Console Input and Output
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Sample Questions
Q1) Why is echoing user input a good programming practice?
Answer: Echoing input is a technique that is commonly used to allow the user to check their input for accuracy before it is actually sent to the program for processing.This technique reduces the chances of errors in the program.
Q2) What does it mean to prompt the user?
Answer: Prompting the user means to display a meaningful message to the user asking for some type of input.An example of prompting the user would be displaying a JOptionPane to ask the user to input their name.
Q3) If a hyphen is added after the % in a format specifier,the output will be _________.
A)Left justified
B)Right justified
C)Centered
D)None of the above
Answer: A
Q4) Write a Java statement to create and initialize a Scanner object named input.
Answer: Scanner input = new Scanner(System.in);
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4
Chapter 3: Flow of Control
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Q1) What is short-circuit evaluation of Boolean expressions?
Answer: Short-circuit evaluation is a mechanism in Java that allows the early termination of the evaluation of a compound Boolean expression.This occurs when two Boolean expressions are joined by the && operator when the first expression evaluates to false.The evaluation short-circuits because no matter what the value of the second expression is,the expression will evaluate to false.When two Boolean expressions are joined by the || operator,if the first expression evaluates to true,then the evaluation will short circuit because the expression will always evaluate to true no matter what the second expression evaluates to.
Q2) The ____________ operator has the highest precedence. A)* B)dot C)+= D)decrement
Answer: B
Q3) Write Java code that uses a while loop to print even numbers from 2 through 10.
Answer: int evenNumber = 2; while(evenNumber <= 10) { System.out.println(evenNumber); evenNumber += 2; }
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Chapter 4: Defining Classes I
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Q1) Write a method called power the computes x<sup>n</sup> where x and n and positive integers.The method has two integer parameters and returns a value of type long.
Q2) Write a method called Greeting that displays a personalized greeting given a first name.
Q3) A variable whose meaning is confined to a method definition is called an/a
A)instance variable
B)local variable
C)global variable
D)none of the above
Q4) A more eloquent approach in implementing mutator methods is to return a ________ value.
A)int
B)char
C)boolean
D)double
Q5) Java supports operator overloading.
A)True
B)False
Q6) Write a driver program to test your Student class created in question #14.
Page 6
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Chapter 5: Defining Classes Ii
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Q1) What is the purpose of Java's wrapper classes?
Q2) A main method can be placed inside a class definition.
A)True
B)False
Q3) Does an object created with a copy constructor reference the same memory location that the original object references? Explain.
Q4) The String class is a mutable class.
A)True
B)False
Q5) All of the following are wrapper classes except:
A)String
B)Integer
C)Character
D)Double
Q6) A bit may have the value of either a 1 or 0.
A)True
B)False
Q7) Write ONE Java statement that computes and displays a random number between 1 and 25.
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Q8) Write ONE Java statement that computes and displays the value of 2<sup>5</sup>.
Chapter 6: Arrays
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Q1) Write a Java statement that declares and creates an array of Strings named Breeds.Your array should be large enough to hold the names of 100 dog breeds.
Q2) The correct syntax for accessing the length of an array named Numbers is:
A)Numbers.length()
B)Numbers.length
C)both A and B
D)none of the above
Q3) The individual variables that together make up the array are referred to as:
A)indexed variables
B)subscripted variables
C)elements of the array
D)all of the above
Q4) How are arrays tested to see if they contain the same contents?
Q5) Arrays are objects that are created with new just like class objects.
A)True
B)False
Q6) A collection class is a class whose objects store a collection of values.
A)True
B)False
Q7) Explain what the main methods array parameter,args,is used for.
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Chapter 7: Inheritance
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Q1) Inheritance is the process by which a new class - known as a _________ - is created from another class,called the _____________.
A)base class,derived class
B)derived class,base class
C)inherited class,base class
D)base class,inherited class
Q2) What is an "is a" relationship? How does it apply to the world of objects?
Q3) An instance variable (or method)that is private in a base class is accessible by name in the definition of a method in any other class.
A)True
B)False
Q4) What is a "has a" relationship?
Q5) The keyword extends indicates polymorphism.
A)True
B)False
Q6) Overriding is when a derived class redefines a method from the base class.
A)True
B)False
Q7) What does the instanceof operator do?
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Chapter 8: Console Input and Output
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Q1) A class with no abstract methods is called a A)concrete class
B)encapsulated class
C)abstract class
D)private class
Q2) An abstract class must have the modifier ___________ included in the class heading.
A)static
B)abstract
C)final
D)private
Q3) Write a decision statement to determine if an object should be downcast.
Q4) The principals of object oriented programming include:
A)encapsulation
B)inheritance
C)polymorphism
D)all of the above
Q5) Java allows an instance of an abstract class to be instantiated.
A)True
B)False
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Chapter 9: Exception Handling
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Q1) A runtime exception is a/an:
A)checked exception
B)unchecked exception
C)offending exception
D)none of the above
Q2) The catch block has ________ parameters.
A)zero
B)one
C)two
D)three
Q3) The throw operator causes a change in the flow of control.
A)True
B)False
Q4) ArrayIndexOutOfBoundsException is a descendent of the class
RuntimeException.This means:
A)the exception must be caught
B)a finally block must be included
C)the exception does not have to be explicitly caught
D)none of the above
Q5) What is the purpose of the finally block?
11
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Chapter 10: File IO
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Q1) Write a Java statement that creates a stream that provides read/write access to the file named autos.txt.
Q2) The preferred stream classes for processing binary files are ObjectInputStream and ObjectOutputStream.
A)True
B)False
Q3) Use the output stream to the file autos.txt created above in number 2 to write the line "Mercedes" to the file.
Q4) The output stream connected to the computer screen is:
A)System.exit
B)System.quit
C)System.in
D)System.out
Q5) Every input file and every output file used by your program has only one name which is the same name used by the operating system.
A)True
B)False
Q6) Write a Java statement to create an input stream to a file named "statistics.dat".
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Chapter 12: Uml and Patterns
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Sample Questions
Q1) Draw a UML class diagram for a class that represents a savings account.
Q2) Draw a UML inheritance diagram for possible classes used to represent a bank account.
Q3) Class diagrams must contain all class members.
A)True
B)False
Q4) Pseudocode is a mixture of programming language and English.
A)True
B)False
Q5) UML was designed to be used with structured programming methodology.
A)True
B)False
Q6) In a UML class diagram,the sharp (#)indicates:
A)public access
B)protected access
C)private access
D)package access
Q7) Define pseudocode.
Page 13
Q8) Draw a UML class diagram for a class that represents a sphere.
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Chapter 13: Interfaces and Inner Classes
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Q1) A class that implements an interface but only gives definitions for some of the method headings given in the interface is called a/an:
A)concrete class
B)abstract class
C)discrete class
D)friendly class
Q2) A common use of inner classes is :
A)clean up
B)set up
C)helper
D)all of the above
Q3) Java source code that contains a class with an inner class,when compiled,will produce a separate .class file for the inner class.
A)True
B)False
Q4) The Serializable interface is like all the other Java interfaces in that it contains defined constants and method headings.
A)True
B)False
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Chapter 14: Generics and the Arraylist Class
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Q1) The compiler option -Xlint is good for debugging.
A)True
B)False
Q2) Inheritance is the reason why some parameters of the ArrayList class are of type
Base_Type and others of type Object.
A)True
B)False
Q3) All of the following are search methods of the ArrayList class except:
A)isEmpty()
B)lastIndexOf()
C)indexOf()
D)contains()
Q4) You can plug in a primitive type for a type parameter.
A)True
B)False
Q5) The Type parameter is always indicated as a T.
A)True
B)False
Q6) Write Java statements to display the size of the resulting ArrayList from question 5 above.
Page 15
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Chapter 15: Linked Data Structures
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Q1) Redraw the diagram created in number 4 above after deleting the head node.
Q2) A deep copy of an object is a copy that has references in common with the original object.
A)True
B)False
Q3) What is the result of a preorder traversal of the binary search tree created in question 12 above?
Q4) Recursively visiting the root node,left subtree and then the right subtree describes:
A)preorder processing
B)inorder processing
C)postorder processing
D)none of the above
Q5) The first node in a linked list is commonly referred to as the ________ node.
A)head
B)tail
C)predecessor
D)successor
Q6) What is the function of the variable head when used with a linked list? What is the data type of the head variable?
Page 16
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Chapter 16: Collections and Iterators
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Q1) Create a for loop to initially set the values of the vector created in number 1 above to the value of negative 1.0.
Q2) The interface SortedSet and the concrete class _________ is designed for implementations of the Set interface that provide for rapid retrieval of elements.
A)Vector< T >
B)LinkedList< T >
C)HashSet< T >
D)TreeSet< T >
Q3) The method ___________ can be used to determine the number of elements in an ArrayList.
A)length()
B)vectorLength()
C)size()
D)vectorSize()
Q4) When an interface lists a method as "optional," you do not need to implement it when defining a class that implements the interface.
A)True
B)False
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Chapter 17: Swing I
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Sample Questions
Q1) Write a Java statement to create a menu with the title "Drawing Template".
Q2) GUIs are windowing interfaces that handle user input and output.
A)True
B)False
Q3) Write Java statements to add menu items named "Circle","Square",and "Rectangle" to the menu created in number 7 above.
Q4) The getText()method of a JTextField object returns an object of type:
A)Double
B)Integer
C)Boolean
D)String
Q5) Standard layout managers are defined in the ____________ package.
A)javax.swing
B)java.util
C)java.awt
D)java.lang
Q6) The actionPerformed method of the ActionListener interface returns a Boolean value. A)True
B)False
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Chapter 18: Swing II
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Q1) Java uses a coordinate system whose origin point (0,0)is located at the upper-left corner of the screen area.
A)True
B)False
Q2) An imaginary _____________ is used for drawing all shapes on the screen.
A)bounding box
B)view port
C)container
D)none of the above
Q3) The class JColorChooser can be used to produce a dialog window that allows you to choose a color by looking at color samples.
A)True
B)False
Q4) Write a Java statement that uses a Graphics object to display "Hello World" at position 50,100.
Q5) Write Java statements to add the icon created in number 1 above to a label that says "Love".
Q6) Write a Java statement that draws a filled oval at position (150,100)with a height of 100 and a width of 50.
Page 19
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Chapter 19: Java Never Ends
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Q1) A thread's start method invokes the thread's run method.
A)True
B)False
Q2) Threads execute in a ___________ fashion.
A)parallel
B)serial
C)complex
D)none of the above
Q3) ____________ refers to a framework that facilitates software building by connecting software components from diverse sources.
A)JavaBeans
B)Threads
C)SQL
D)all of the above
Q4) An InterruptedException is a checked exception.
A)True
B)False
Q5) What is a JavaBean?
Q6) Discuss the components of the JavaBean model.
Q7) What are Enterprise JavaBeans?
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Chapter 11: Recursion
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Q1) How does the computer system handle a recursive method call?
Q2) What is an activation record?
Q3) Write a recursive method to print a string backwards.
Q4) Explain how a sequential search works.
Q5) The underlying data structure used by the computer during recursion is a:
A)queue
B)linked list
C)tree
D)stack
Q6) A base case must include a recursive call.
A)True
B)False
Q7) All recursive methods must have a/an:
A)starting case
B)intermediate case
C)stopping case
D)none of the above
Q8) What is a base case?
Q9) Explain how the binary search works.
Q10) What is a stack overflow? Page 21
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Chapter 20: Applets
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Q1) HTML stands for:
A)Hyperlink Making Language
B)Hyper Markup Language
C)Hypertext Markup Language
D)Homepage Markup Language
Q2) Write an HTML statement to create a hyperlink to HYPERLINK "http://www.java.sun.com" www.java.sun.com.The link should read "Java Doc".
Q3) Applets normally do not contain a main method.
A)True
B)False
Q4) The class ___________ converts a digital picture to an icon for us in an applet.
A)ImageIcon
B)JAppletIcon
C)IconImage
D)IconJApplet
Q5) The purpose of the address tag is to contain the e-mail address for contacting the document's maintainer as well as the date that the document was last modified.
A)True
B)False
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