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Tim Gallagher Computer Science

@timgallaghercomputerscience

subscribers: 874
lessons on Merit: 8
topics: 5

AP Computer Science A

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AP CSA · Instance Variables, Constructors, and Methods

2026 AP Computer Science A Exam Review - Exploring FRQ 1: Methods and Control Structures (Revised)

Tim Gallagher Computer Science

5.1K views on YouTube

AP CSA · 2D Arrays

2026 AP Computer Science A Exam Review - Exploring FRQ 4: 2D Arrays

Tim Gallagher Computer Science

2.5K views on YouTube

AP CSA · Algorithms, Programming, and Compilers

AP Computer Science A - Topic 1.1: Introduction to Algorithms, Programs, and Compilers

Tim Gallagher Computer Science

2K views on YouTube

AP CSA · Instance Variables, Constructors, and Methods

2026 AP Computer Science A Exam Review - Exploring FRQ 1: Methods and Control Structures

Tim Gallagher Computer Science

1.4K views on YouTube

AP CSA · Using Text Files

AP Computer Science A - Topic 4.6: Using Text Files

Tim Gallagher Computer Science

702 views on YouTube

AP CSA · Algorithms, Programming, and Compilers

AP Computer Science A - Topic 1.7: Application Programming Interface (API) and Libraries

Tim Gallagher Computer Science

346 views on YouTube

AP CSA · 2D Arrays

AP Computer Science A - Topic 4.12: 2D Array Traversals

Tim Gallagher Computer Science

205 views on YouTube

AP CSA · ArrayList Methods

AP Computer Science A - Topic 4.8 - Part 1: ArrayList Methods

Tim Gallagher Computer Science

137 views on YouTube