Learning Java Collections

Introduction

• Java collections framework
• What you should know

1. Java Collections Framework

• Solving everyday problems with data
• Data structures
• Collections framework architecture
• Working with a collection
• Beyond the array

2. The Foundations of Java Collections

• Interfaces
• Collection types
• The Collection interface
• Collection methods
• Creating a collection
• Generic typing
• Object comparison
• The equals method
• Challenge: Adding and removing collection elements
• Challenge: Advanced collection problems

3. Iterating Collections

• Iterating collection elements
• Accessing collection elements with iterators
• Modifying collections while iterating
• Accessing collection elements with streams
• Lambda expressions
• Stream operations
• Challenge: Iterating collections

4. Set

• Set
• HashSet
• TreeSet

5. List

• List interface
• List implementations
• ArrayList
• Challenge: Working with Lists

6. Queue and Deque

• Queue interface
• Queue implementations
• Deque interface
• Using an ArrayDeque as a stack

7. Map

• Map interface
• Collection views
• Map implementations
• How a HashMap works
• Map methods
• Iterating Maps
• Challenge: Working with Maps

8. Collections Utilities

• Ordering elements
• Sorting collections
• Comparators
• Finding elements in a collection

Conclusion

• Course wrap-up