Final Exam (CMSC131 (Summer 2024))

• Date: Fri., Aug. 2, 2024
• Time/Location: It will be from 6 to 8 PM in IRB 0324 (Antonov Room)
• Duration: 120 minutes
• Closed-book, Closed-notebooks, No Computers/Calculators.
• Use a pencil/mechanical pencil (no pen) to answer the exam.
• Bring a good eraser
• Posting any information in Piazza about the exam after taking it is considered an academic integrity violation.
• Do not separate the pages of the exam (e.g., remove the staple).This will interfere with the scanning process.
• You need to bring your student id to the exam.
• We provide space in the exam to be used as scratch area (you cannot bring your own scratch paper).

• Short answer questions: This includes for example, multiple choice, true/false, and fill-in-the-blank type questions.
• Code analysis questions: We will give a short segment of code and you may be asked to identify syntax and logical errors, generate code output, etc.
• Code Writing: Write a program/code snippets to solve a given problem. You should be prepared to give a complete program/class, but we may also ask you to provide just a single method or a code fragment.

The final exam will be cumulative and include ALL the material covered in discussion session (lab), lecture, quizzes, and projects including the following topics:

• Object-Oriented Terminology
• Java Variables and Types
• Expressions and Side Effects
• Java Numeric/String/Logical Operators
• Assignment Operators
• Short Circuiting
• Scanner Class
• System.out.println() / System.out.print()
• Conditional Statements
• Blocks and Scoping
• Constants
• Loops (whiles, do whiles, for loops, for-each (enhanced) loops)
• String Class
• String Class Methods: toLowerCase, toUpperCase, length, charAt, substring, isEmpty
• Static and Non-Static Methods
• Constructors
• Using "this" for classes
• Instance variables
• Static variables
• Get/Set methods
• How to override the toString() method
• How to override the equals(Object obj) method
• switch statement
• StringBuffer
• One and Two Dimensional Arrays (of primitives and references)
• Ternary Operator
• Exceptions
• Privacy Leaks
• Copying Objects: Shallow, Reference, Deep Copying
• Abstraction
• Encapsulation
• Interfaces
• break and continue
• Wrappers
• Stacks
• ArrayList
• ArrayList Class Methods: add, get, isEmpty, indexOf, remove, size
• Comparable Interface (compareTo method)
• Sorting Data Using Collections.sort()
• Polymorphism
• Method Overloading/Overriding
• Iterators
• getClass(), instanceof
• Recursion
• Integer.parseInt(), Double.parseDouble()
• Inheritance (extending other classes using "extends")
• Early and late binding
• Terms You Need to Know
  • Current Object
  • Index and Indices
  • Instance of a Class
  • Instance Variables
  • Auxiliary / Helper Method

The exam will NOT cover the following topics:

• Computer Organization
• Memory Maps - Although you are not responsible for drawing memory maps, understanding the java use of memory is important. See the information available at Memory Map Information
• Pseudocode
• Model View Controller
• Javadoc
• Eclipse Debugger
• Java Packages
• Command line arguments

We only had 2 exams, but in a Fall/Spring term there are 3 exams. Here are old exam 3 files from the past:PreviousExam3.zip

I am just making the material below available for extra practice, but remember the coverage/format of your exam in Summer 2024 will be different than what we/other sections of CMSC 131 did in the past. Use the material below to supplement your study, but focus on what we did this term

• Fall 2019 Lectures Notes
• Practice material we posted for semester exams #1, and #2
• Lab Material that you should review. Import as Eclipse projects.
  • ClassesInterfacesLabCode.zip
  • CopyingExampleImp.zip
  • InterfacesLabImp.zip
  • RecursionLabCode.zip
  • IteratorsRecursionCode.zip
• PracticeQuestions.pdf - We don't have answers, but you are welcome to post and discuss answers in Piazza. Ignore questions that cover material you are not responsible for the final.
• PracticeFinalOther131Sections.pdf - This practice material corresponds to another cmsc131 section. From this material you should practice problems: 1. Arrays, 2. ArrayLists, 5. Interfaces & Classes, 7. Recursion.
• PracticeFinalOther131SectionsII.pdf - This practice material corresponds to another cmsc131 section. From this material you should practice problems: Q1, Q2, Q3, Q6, Q7 (Don't worry about the TreeSet part), Q8
• PreviousExams.zip - Old Exams in an on-line format

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