← Exit to Module 11: Collections Framework Deep Dive lessons
Module progress · 0%Lesson · 14 min
Module 11: Collections Framework Deep Dive
Lesson focusIteration Techniques & Fail-Fast Behavior
Iterate safely using iterators, ListIterator, and streams.
01 · 14 minCollections Hierarchy OverviewLocked02 · 18 minList Implementations: ArrayList, LinkedList, VectorLocked03 · 20 minSet Implementations: HashSet, TreeSet, LinkedHashSetLocked04 · 22 minMap Implementations: HashMap, TreeMap, LinkedHashMapLocked05 · 16 minQueue & Deque ImplementationsLocked06 · 12 minComparable vs ComparatorLocked07 · 12 minCollections Utility ClassLocked08 · 14 minIteration Techniques & Fail-Fast BehaviorLocked09 · 35 minMini-Project: Contact Management SystemLocked
Fail-fast iterators throw ConcurrentModificationException when the collection is structurally modified outside the iterator.
Use ListIterator to traverse backwards or insert during iteration.
Concurrent collections provide fail-safe iterators that reflect snapshot views.