University of Illinois Urbana-Champaign · CS128

Introduction to Computer Science II

计算机科学导论 II

A continuation of CS 124 covering more advanced computing concepts and approaches to solving computational problems.

Subject：C++

Level：Intermediate

Suggested stage：Year 2 (inferred)

Public-material edition：2026

Language：English

Videos：Not verified

Assignments / solutions：Available / Not verified

Prerequisites

UIUC CS 124 or CS 125

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▶Lectures, video & readingCourse content in the official sequence10

Topic 1: Values and Expressions Topic 2: Control Flow Topic 3: Functions Topic 4: Data Collections Topic 5: Object-Oriented Programming Topic 6: Recursion Topic 7: Testing and Debugging Topic 8: Files and Exceptions Topic 9: Basic Algorithms Topic 10: Program Design

✓Assignments & practiceOpen the matching problem or assignment page10

Official problem practice: Values and Expressions Official problem practice: Control Flow Official problem practice: Functions Official problem practice: Data Collections Official problem practice: Object-Oriented Programming Official problem practice: Recursion Official problem practice: Testing and Debugging Official problem practice: Files and Exceptions Official problem practice: Basic Algorithms Official problem practice: Program Design

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Fall 2026 official catalog and prerequisitesUniversity of Illinois CS 128 ↗

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University of Illinois CS 128 · verified 2026-08-03

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