Java Collection Programs
ArrayList, HashMap, HashSet, TreeMap, Queue and related collection APIs.
Linked List Example in Java
Learn Linked List in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Arraylist Example in Java
Learn ArrayList in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Hashset Example in Java
Learn HashSet in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Clear an Arraylist Example in Java
Learn Clear an Arraylist in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Reversing an Arraylist Example in Java
Learn Reversing an ArrayList in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Linked Hashset Example in Java
Learn Linked HashSet in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Hashmap Example in Java
Learn HashMap in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Set Value in Arraylist Example in Java
Learn Set Value in ArrayList in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Linked Hashmap Example in Java
Learn Linked HashMap in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Remove Element from Arraylist Example in Java
Learn Remove Element from ArrayList in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Identity Hashmap Example in Java
Learn Identity HashMap in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Treemap Example in Java
Learn TreeMap in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Treeset Example in Java
Learn TreeSet in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Finding Duplicates in Array using Treeset Example in Java
Learn Finding Duplicates in Array Using TreeSet in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Hashtable Example in Java
Learn HashTable in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Enumset Example in Java
Learn EnumSet in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Enum Map Example in Java
Learn Enum Map in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Wrapper Example in Java
Learn Wrapper in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Un Modifiable Wrapper Example in Java
Learn Un Modifiable Wrapper in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Iterator Interface Example in Java
Learn Iterator Interface in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Sorted Map Interface Example in Java
Learn Sorted Map Interface in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Sorted Set Interface Example in Java
Learn Sorted Set Interface in Java with explanation, complete source code, step-by-step walkthrough and sample output.
Java Stream API Example in Java
Introduction to the Java Stream API with filter, map, sorted and collect operations on a list of integers and strings, with sample output.