Exam #1 (CMSC132 (Spring 2025))

• Date: Friday, Feb 21, 2025
• Time/Location: Your exam will take place in lecture.
• Duration: 50 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 exam will include all the material covered during Week 1 to Week 4(Up to and including Monday 2/17) in discussion session (lab), lecture, quiz 1, and projects (#1 and #2) including the following topics:

• Object-Oriented Programming Principles (Abstraction, Encapsulation, etc.)
• ADT, List ADT, Stack ADT, Queue ADT, Deque ADT, Implementation ideas (e.g.Adapter Pattern)
• Specific Java Topics
  • Definition and use of classes in inheritance relationships
  • has-A vs is-A relationship
  • Definition and use of Java Interfaces
  • Abstract Classes
  • Arrays
  • JCF: ArrayList, Vectors, Stack
  • StringBuffer (be familiar with the append method that takes a string as a parameter and
    the constructor that takes a String as parameter)
  • Iterators
  • Comparable Interface
  • Comparator Interface
  • instanceof opertator and .getClass method
  • Iterable Interface
  • "this"
  • "super"
  • final keyword
  • early and late binding, polymorphism
  • Collections class methods (Any methods used on exam will be told ahead of time)
  • Enhanced for loop
  • Autoboxing and Unboxing
  • Exceptions: Checked vs. Unchecked
  • Visibility Modifiers
  • Method Overloading/Overriding
  • Packages
  • equals method - both versions
  • All CMSC 131 topics
• Program Testing (Writing JUnit tests)

Here are actual exam 1 from previous terms: PreviousExams.zip. I am just making this available for extra practice, but remember to review everything above not just what showed up on the exams in the past.

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