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Free Lessons

The following lessons are available in PDF format for free. There are also supplementary tests and quizzes for each, for a reasonable cost. For a look at some of the supplementary material, download the samples zip file.

Download all lessons (Zip: ~96 MB) or download them individually by clicking the links below.

  • O(N)CS LESSONS FLYER
  • O(N)CS - CalendarClassReferenceSheet
  • 1A - First Java Program
  • 1A - MP4 Video Demo - Hello World
  • 1B - More Output
  • 1B - MP4 Video Demo - More Output
  • 1C - Using printf
  • 1C - MP4 Video Demo - Using printf and String.format
  • 1D - printf Part 2 82115
  • 2A - Data Types and Variables
  • 2B - Operations
  • 2C - More Operations
  • 3A - Input
  • 3B - File Input
  • 4A - Conditionals - if
  • 4B - Conditionals - switch
  • 5A - Methods Math class
  • 5B - Methods String class
  • 5C - MyClass Methods and JavaDoc
  • 6A - Output Patterns
  • 6B - Loops2 Counting and Accumulating
  • 6C - Loops3 File Processing
  • 6D - Loops, Arrays, Split Process
  • 6E - Nested Loops
  • 7A - Arrays
  • 7B - Array Methods
  • 8 - Passing Parameters
  • 9 - Matrices
  • 10A - OOP Fundamentals
  • 10B - Class Design
  • 10C - Inheritance
  • 10D - Composition
  • 10E - Abstract Classes
  • 10F - Interfaces
  • AbstractClasses.zip
  • UIL Bytes - MP4 Video 1 - Intro
  • UIL Bytes - MP4 Video 2 - DryRun Demo
  • UIL Bytes - MP4 Video 3 - Box Pattern
  • ONCS TwosComplement
  • ONCS Number Base Unit Intro
  • ONCS Number Base Lesson One
  • ONCS Number Base Lesson Two
  • ONCS Number Base Exercises
  • ONCS Number Base Arithmetic One
  • ONCS Number Base Arithmetic Two
  • 0 - Install Java and JCreator 4.5
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