Beginner module
Module 7: Arrays and ArrayList
Store groups of values with arrays and ArrayList, then learn the patterns you will use most when reading, updating, and searching through data.
Module lessons
Module 7: Arrays and ArrayList
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01
Arrays Basics
Use arrays to store a fixed-size group of values of the same type.
16 min
Next
02
Looping Through Arrays
Use `for` and enhanced `for` loops to process every value in an array without repetitive code.
16 min
Ready
03
Common Array Patterns: Sum, Max, and Search
Practice the most useful beginner array tasks so grouped data becomes something you can analyze instead of only print.
18 min
Ready
04
ArrayList Basics
Use `ArrayList` when you need a list that can grow and shrink as values are added or removed.
18 min
Ready
05
Array vs ArrayList
Choose between arrays and ArrayList based on whether the size is fixed, how often the data changes, and what operations you need.
14 min
Ready
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