Introduction to Programming Test Questions
Course Introduction
Introduction to Programming is designed to provide students with foundational knowledge and practical skills in computer programming. Through this course, students will learn essential concepts such as variables, data types, control structures, functions, and basic algorithms. The course typically utilizes a beginner-friendly programming language and emphasizes problem-solving and logical thinking. By completing hands-on exercises and projects, students will gain the ability to write, test, and debug simple programs, preparing them for more advanced studies in computer science and software development.
Recommended Textbook
Java Programming 7th Edition by Joyce Farrell
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Page 2
Chapter 1: Creating Java Programs
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Sample Questions
Q1) Programs that are embedded in a Web page are called Java ____.
A) consoles
B) applets
C) applications
D) windowed applications
Answer: B
Q2) In Java, the reserved keyword ____ means that a method is accessible and usable even though no objects of the class exist.
A) active
B) undefined
C) static
D) void
Answer: C
Q3) In programming, named computer memory locations are called ____________________ because they hold values that might vary.
Answer: variables
Q4) You use an import statement when you want to access a built-in Java class that is contained in a group of classes called a(n) ____________________.
Answer: package
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Chapter 2: Using Data
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Sample Questions
Q1) You may declare an unlimited number of variables in a statement as long as the variables are ____.
A) the same data type
B) initialized to the same value
C) properly commented
D) floating point numbers
Answer: A
Q2) final int COSTPERITEM = 10; double sales2012 = amtSold * COSTPERITEM; In the above statements, identify the named constant and describe how a programmer can recognize named constants.
Answer: The named constant identifier is COSTPERITEM.
Constant declaration statements use the final keyword. Constants are conventionally given identifiers in all uppercase letters.
Q3) Describe the variation types byte, short, and long of the integer type.
Answer: The types byte, short, and long are all variations of the integer type. The byte and short types occupy less memory and can hold only smaller values; the long type occupies more memory and can hold larger values.
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Chapter 3: Using Methods, Classes, and Objects
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Sample Questions
Q1) To execute a method, you ____________________ it from another method. Answer: invoke call
Q2) A(n) ____ causes a value to be sent from a called method back to the calling method.
A) return statement
B) method statement
C) instantiation
D) inheritance relationship
Answer: A
Q3) How do you create an instance of a class? Provide an example.
Answer: A two-step process creates an object that is an instance of a class. First, you supply a type and an identifier-just as when you declare any variable-and then you allocate computer memory for that object. For example, you might define an integer as int someValue; and you might define an Employee as follows: Employee someEmployee;. In this statement, someEmployee stands for any legal identifier you choose to represent an Employee.
Q4) When you think in an object-oriented manner, everything is a(n)
Answer: object
Page 5
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Chapter 4: More Object Concepts
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Sample Questions
Q1) A(n) ____________________ is simply a folder that provides a convenient grouping for classes.
Q2) The compiler determines which version of a method to call by the method's ____.
A) name
B) signature
C) output
D) constructor
Q3) When you ____________________ methods, you risk creating an ambiguous situation-one in which the compiler cannot determine which method to use.
Q4) It is illegal to declare the same variable name more than once within a block.
A)True
B)False
Q5) When they have the same name, variables within ____ of a class override the class's fields.
A) packages
B) statements
C) fields
D) methods
Q6) Describe how a programmer can make a variable in or out of scope.
Page 6
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Chapter 5: Making Decisions
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Sample Questions
Q1) Create an if statement that will check if the variable salesAmt is greater than the constant SALES_QUOTA. If true, create a block statement that will calculate salesAmt * BONUS_PERCENT and store the result in a variable named bonusPay. The block statement will then compute totalPay by adding salesAmt to bonusPay. Outside of the if structure, add a println statement that will output the totalPay value.
Q2) The ____ operator is always evaluated before the OR operator.
A) Assignment
B) AND
C) Conditional
D) Logical
Q3) A ____ consists of written steps in diagram form, as a series of shapes connected by arrows.
A) pseudocode chart
B) flowchart
C) sequence structure
D) decision structure
Q4) List and explain the keywords used with the switch statement.
Q5) Describe how a sequence structure works.
Q6) Explain the use of the NOT operator.
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Chapter 6: Looping
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Sample Questions
Q1) Why would a loop with altered user input be considered a type of indefinite loop? Give an example.
Q2) Within parentheses are three sections separated by exactly two semicolons
A)prefix ++
B)block
C)definite loop
D)loop control variable
E)binary operators
F)loop fusion
G)decrementing
H)for loop
I)sleep() method
Q3) How are indefinite loops used for validating data? Why is a loop structure typically the better choice for validating data than an if statement?
Q4) An indefinite loop is a(n) ____ loop.
A) counter-controlled
B) event-controlled
C) initialized
D) validating
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Chapter 7: Characters, Strings, and the Stringbuilder
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Sample Questions
Q1) Strings that cannot be changed are said to be immutable. What does this mean and how does it relate to values held in memory addresses?
Q2) The method header of the equals() method within the String class is ____.
A) public boolean equals(Strings)
B) private boolean equals(String s)
C) public boolean equals(String s)
D) public boolean equals(Character s)
Q3) The ____ method returns the length of a String.
A) getSize()
B) getLength()
C) size()
D) length()
Q4) To convert a String to an integer, you use the valueOf() method of the ____ class.
A) StringBuilder
B) String
C) Integer
D) Convert
Q5) How can you change the length of a String in a StringBuilder object?
Q6) Describe how a reference is used in Java.
9
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Chapter 8: Arrays
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Sample Questions
Q1) You can declare an array variable by placing curly brackets after the array name.
A)True
B)False
Q2) Primitive type variables are always passed by ____.
A) value
B) reference
C) location
D) memory
Q3) When populating an array with an initialization list, you do not need to use the new keyword or provide an array size. Explain why this is the case.
Q4) String[] countyNames = {"Clark", "Delaware", "Madison"}; What will be the value of countyNames[0].length(), countyNames[1].length(), and countyNames[2].length()?
Q5) In which of the following statements is the value of myVals null?
A) int myVals = ""
B) int [] myVals;
C) myVals = int[null]
D) int[null] = myVals
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Chapter 9: Advanced Array Concepts
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Sample Questions
Q1) Java provides a(n) ____ class, which contains many useful methods for manipulating arrays.
A) Object
B) Arrays
C) Table
D) Sort
Q2) What are some of the advantages of creating an enumeration type?
Q3) How can you sort arrays of objects?
Q4) The ArrayList class ____ method removes an item from an ArrayList at a specified location.
A) delete
B) get
C) erase
D) remove
Q5) int[][] myVals = {{10, 15, 20, 25}, {30, 35, 40, 45, 50, 55, 60}, {65, 70, 75, 80, 85, 90}}; Using the above array, what is the value of myVals.length? What is the value of myVals[1].length? What is the value of myVals[2].length? Explain how you determined these values.
Page 11
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Chapter 10: Introduction to Inheritance
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Sample Questions
Q1) Within a subclass, you can think of the keyword ____ as the opposite of super.
A) sub
B) this
C) protected
D) not
Q2) Keeps data private
A)information hiding
B)inheritance
C)super()
D)superclass
E)instanceof
F)virtual method call
G)inlining
H)class diagram
I)derived class
Q3) How is the keyword protected used?
Q4) What is the process of inlining and how is it accomplished in Java?
Q5) A static method cannot be overridden in a subclass.
A)True
B)False
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Chapter 11: Advanced Inheritance Concepts
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Sample Questions
Q1) Java does not allow a class to inherit directly from two or more parents.
A)True
B)False
Q2) Compare and contrast abstract classes and interfaces.
Q3) Data fields in an interface
A)dynamic method binding
B)collision
C)GregorianCalendar
D)multiple inheritance
E)equals() method
F)-d option
G)java.lang
H)public, static, and final
I)interface
Q4) If you provide an empty method within an abstract class, the method is an abstract method even if you do not explicitly use the keyword ____________________ when defining the method.
Q5) When you create a useful, extendable superclass, you and other future programmers gain what advantages?
Q6) What is dynamic method binding and why is it used?
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Chapter 12: Exception Handling
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Sample Questions
Q1) Which of the following is NOT a component of a try block?
A) a closing curly brace
B) the keyword try
C) executable statements
D) a throw statement
Q2) When you catch an Exception object, you can call ____________________ to display a list of methods in the call stack so you can determine the location of the statement that caused the exception.
Q3) What is an Exception class? Give an example.
Q4) Placing data conversion attempts in a try block allows you to handle potential data conversion errors caused by careless user entry.
A)True
B)False
Q5) What is the first program statement in a catch block?
A) the keyword catch
B) an opening curly brace
C) the keyword Exception
D) the statements that take the action you want to use to handle the error condition
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Chapter 13: File Input and Output
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Sample Questions
Q1) Provide an example of batch processing.
Q2) Functions as a pipeline or channel between a Java program and an input device
A)batch processing
B)root
C)buffer
D)flushing
E)stream
F)System.getProperty("line.separator")
G)data file
H)close the files
I)BufferedWriter
Q3) While System.err and System.out are both directed by default to the monitor command line, System.err is usually reserved for error messages and System.out is reserved for valid output.
A)True
B)False
Q4) When you perform input and output operations in an application, what is actually occurring with the bytes of information?
Q5) A(n) ____________________ object is an avenue for reading and writing a file.
Page 15
Q6) Random files are also called ____________________ files.
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Chapter 14: Introduction to Swing Components
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Sample Questions
Q1) How do you modify whether or not a JTextField can be edited?
Q2) What are the four JFrame constructors?
Q3) Provide an example of an event-driven program.
Q4) Java provides you with a Font class from which you can create an object that holds typeface and size information.
A)True
B)False
Q5) How can you customize the appearance of a JFrame?
Q6) The measurement between lines of text in a single-spaced text document
A)point size
B)layout manager
C)lightweight components
D)window decorations
E)editable
F)tool tips
G)heavyweight components
H)fonts
I)event handler
Q7) Write the statement to provide a JTextField object named myInfo that allows enough room for a user to enter 15 characters.
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Chapter 15: Advanced Gui Topics
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Sample Questions
Q1) Use the ____ layout manager when you need to add components that are displayed one at a time.
A) BorderLayout
B) GridLayout
C) GridBagLayout
D) CardLayout
Q2) Clicking a component results in a(n) ____.
A) ItemEvent
B) WindowEvent
C) ActionEvent
D) MouseEvent
Q3) Any component you place on the screen has a vertical, or x-axis, position as well as a horizontal, or y-axis, position in the window.
A)True
B)False
Q4) How do you find the red, green, and blue components of a color?
Q5) Using a FlowLayout object named myLayout, write the statement to set the layout of a content pane to left.
Q6) What is an adapter class?
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Chapter 16: Graphics
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Sample Questions
Q1) The ____ method draws what appears to be an empty rectangle.
A) clearRect()
B) emptyRect()
C) fillRect()
D) drawRect()
Q2) Draws a solid shape
A)fill pattern
B)GREEN
C)acyclic gradient
D)3D method
E)Line2D.Float class
F)fillPolygon()
G)getScreenResolution()
H)GeneralPath
I)descent
Q3) Describe what happens when the update() method is called.
Q4) The FontMetrics class methods return an integer value representing the font size in points, with one point measuring 1/72 of an inch.
A)True
B)False
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Chapter 17: Applets, Images, and Sound
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Sample Questions
Q1) You can use an overloaded version of the Image class method drawImage() to output a scaled image.
A)True
B)False
Q2) Write the statement to retrieve and play the myTune.au sound file that will be stored in the same place as the applet.
Q3) What are the four steps involved in creating an applet?
Q4) There are four methods inherited from JApplet that make up the life cycle of an applet.
A)True
B)False
Q5) Usually, you place three attributes within the <object> tag: code, width, and ____.
A) codebase
B) size
C) length
D) height
Q6) ___________________ is a Swing class from which you can inherit to create your own applet.
Page 19
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