CS2030S Practice

MCQ and MRQ drills, one set per unit. Auto-graded, no account needed — progress stays in your browser.

Past Midterms

0/10

Past papers with unofficial worked answers. Open questions (short answers, stack and heap diagrams, code) are self-graded: answer first, reveal the model answer, then mark yourself.

Shuffle all midterms

Every question from every paper, in a new random order each run. 126 auto-graded · 63 self-graded.

189 questions

Shuffle auto-graded only

MCQ, MRQ and True/False only — a quick drill without the self-graded questions.

126 questions

CS2030S AY2025/26 Sem 2

14 auto-graded · 7 self-graded

21 questions

CS2030S AY2024/25 Sem 2

20 auto-graded · 1 self-graded

21 questions

CS2030S AY2024/25 Sem 1

6 auto-graded · 7 self-graded

13 questions

CS2030S AY2023/24 Sem 1

4 auto-graded · 6 self-graded

10 questions

CS2030S AY2022/23 Sem 2

4 auto-graded · 11 self-graded

15 questions

CS2030S AY2022/23 Sem 1

25 auto-graded · 2 self-graded

27 questions

CS2030S AY2021/22 Sem 2

18 auto-graded · 9 self-graded

27 questions

CS2030S AY2020/21 Sem 2

22 auto-graded · 8 self-graded

30 questions

CS2030 AY2017/18 Sem 2

9 auto-graded · 6 self-graded

15 questions

CS2030 AY2017/18 Sem 1

4 auto-graded · 6 self-graded

10 questions

Foundations: Compilation, Types & Encapsulation

0/11

Overview

MCQ/MRQ practice covering Unit 0: Overview.

35 questions

Program and Compiler

MCQ/MRQ practice covering Unit 1: Program and Compiler.

33 questions

Variable and Type

MCQ/MRQ practice covering Unit 2: Variable and Type.

33 questions

Functions

MCQ/MRQ practice covering Unit 3: Functions.

26 questions

Encapsulation

MCQ/MRQ practice covering Unit 4: Encapsulation.

34 questions

Information Hiding

MCQ/MRQ practice covering Unit 5: Information Hiding.

22 questions

Tell, Don't Ask

MCQ/MRQ practice covering Unit 6: Tell, Don't Ask.

21 questions

Class Fields

MCQ/MRQ practice covering Unit 7: Class Fields.

22 questions

Class Methods

MCQ/MRQ practice covering Unit 8: Class Methods.

20 questions

Composition

MCQ/MRQ practice covering Unit 9: Composition.

22 questions

Heap and Stack

MCQ/MRQ practice covering Unit 10: Heap and Stack.

30 questions

Inheritance & Polymorphism

0/9

Inheritance

MCQ/MRQ practice covering Unit 11: Inheritance.

25 questions

Overriding

MCQ/MRQ practice covering Unit 12: Overriding.

26 questions

Overloading

MCQ/MRQ practice covering Unit 13: Overloading.

22 questions

Polymorphism

MCQ/MRQ practice covering Unit 14: Polymorphism.

24 questions

Method Invocation

MCQ/MRQ practice covering Unit 15: Method Invocation.

25 questions

Liskov Substitution Principle

MCQ/MRQ practice covering Unit 16: Liskov Substitution Principle.

24 questions

Abstract Class

MCQ/MRQ practice covering Unit 17: Abstract Class.

23 questions

Interface

MCQ/MRQ practice covering Unit 18: Interface.

27 questions

Class Diagram

MCQ/MRQ practice covering Unit 19: Class Diagram.

17 questions

Types, Casting & Generics

0/10

Wrapper Class

MCQ/MRQ practice covering Unit 20: Wrapper Class.

23 questions

Runtime Class Mismatch

MCQ/MRQ practice covering Unit 21: Runtime Class Mismatch.

27 questions

Variance

MCQ/MRQ practice covering Unit 22: Variance.

21 questions

Exceptions

MCQ/MRQ practice covering Unit 23: Exceptions.

33 questions

Generics

MCQ/MRQ practice covering Unit 24: Generics.

26 questions

Type Erasure

MCQ/MRQ practice covering Unit 25: Type Erasure.

25 questions

Unchecked Warnings

MCQ/MRQ practice covering Unit 26: Unchecked Warnings.

25 questions

Wildcards

MCQ/MRQ practice covering Unit 27: Wildcards.

33 questions

Type Inference

MCQ/MRQ practice covering Unit 28: Type Inference.

27 questions

Immutability

MCQ/MRQ practice covering Unit 29: Immutability.

28 questions

Functional Programming

0/8

Nested Class

MCQ/MRQ practice covering Unit 30: Nested Class.

18 questions

Side Effect-Free Programming

MCQ/MRQ practice covering Unit 31: Side Effect-Free Programming.

24 questions

Box and Maybe

MCQ/MRQ practice covering Unit 32: Box and Maybe.

18 questions

Lazy Evaluation

MCQ/MRQ practice covering Unit 33: Lazy Evaluation.

17 questions

Infinite List

MCQ/MRQ practice covering Unit 34: Infinite List.

21 questions

Streams in Java

MCQ/MRQ practice covering Unit 35: Streams in Java.

26 questions

Loggable

MCQ/MRQ practice covering Unit 36: Loggable.

19 questions

Monad

MCQ/MRQ practice covering Unit 37: Monad.

36 questions

Concurrency & Async

0/3

Parallel Streams

MCQ/MRQ practice covering Unit 38: Parallel Streams.

38 questions

Threads

MCQ/MRQ practice covering Unit 39: Threads.

25 questions

Asynchronous Programming

MCQ/MRQ practice covering Unit 40: Asynchronous Programming.

30 questions