Arrays and Array Lists

Section Overview

• one-dimensional arrays     AP Unit 6    Review
      AP Unit 6.1    Creation and access
      AP Unit 6.2    Traversal    Review
      AP Unit 6.4    Algorithms using arrays
  


• ArrayList     AP Unit 7    Review
      AP Unit 7.1 and AP Unit 7.2    Creation and access    Review
      AP Unit 7.3    Traversal    Review
      AP Unit 7.4    Algorithms using ArrayLists
  


• two-dimensional arrays    AP Unit 8    Review
      AP Unit 8.2    Traversal    Review
      matrix traversal - by element, by row, nested for-loops


• length, length(), and size()
• for-each loops (use and limitations)     AP Unit 6.3      Learn     Review
• List Interface and Collections hierarchy    Review
• Common mistakes:
  1D arrays
  Lists
  2D Arrays

For information on the above topics, you can review the Course Content for this subject area.

Practice

Multiple-choice question practice for 1D arrays:

• Easy
• Medium
• Hard

Multiple-choice question practice for lists:

• Easy
• Medium
• Hard

Multiple-choice question practice for 2D arrays:

• Easy
• Medium
• Hard

Free response questions using:

• 1D arrays
• Lists
• 2D arrays

Take this quick quiz then review missed answers against the expected response.

Additional multiple-choice questions will check knowledge from this chapter. You can use this answer key to check for correct answers and their explanations.