Exam2026Proposed solution included

CSC 308 Java Programming Exam 2026

CSC 308: Second Semester 2025/2026 Examination, University of Buea, Faculty of Science, Department of Computer Science, Course CSC308 Java Programming, Instructor Nyanga Bernard Y., Tuesday 01/07/2026. Section A: 25 multiple-choice questions on core Java topics (abstract classes, exception handling, access modifiers, collections, arrays, polymorphism, threads, operator precedence, checked exceptions, static, Swing, interfaces vs abstract classes, I/O, final, primitive types, control flow, inheritance, reference typing, access control, and ArrayList vs LinkedList performance). Section B (16 marks): 16 true/false statements on String immutability, super, ArrayList ordering, break/continue, HashMap nulls, operator overloading, finalize(), synchronized, instanceof, integer division, interface fields, while loops, abstract classes, and arrays. Section C (9 marks): 9 fill-in-the-blank questions on core Java terminology. Section D (23 marks): short answers on main(), variable declaration, overloading vs overriding, autoboxing/unboxing, I/O streams, a code-debugging exercise on an off-by-one array loop bug, and an essay design question modelling Vehicle/Car/Bicycle with inheritance and composition.

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University of Buea

Faculty of Science - FS

Computer Science - CSC

CSC3082026

Java Programming

Exam · Second Semester · Level 300

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Section A: Write the letter of the best answer for each question
1.
Which keyword is used to define an abstract class in Java? A) abstract B) static C) final D) void
2.
What is the primary purpose of the finally block in a try-catch-finally statement? A) To catch specific exceptions. B) To execute code regardless of whether an exception occurred. C) To re-throw an exception. D) To declare a new exception type.