6.2

Traversing Arrays

AP Computer Science A

Standard for loop traversal

Anatomy of the traversal

Reading vs. modifying elements

Reading (just printing or using values)

Modifying (changing values in the array)

Traversal variations

Backward traversal

Every other element

Partial traversal

Traversal with a condition

Building a result string

Trace table: doubling even numbers

Adjacent element comparison

Passing arrays to methods

Returning arrays from methods

Complete example: Grade curve

AP Exam Tips

Common Mistakes

Key Vocabulary