Learn Java Collections with Examples

ArrayList

• Clear ArrayList in Java Example

• Java ArrayList add(), get() and set() Method Example

• Iterate over ArrayList Using forEach Java

• Iterate over ArrayList using Iterator in Java

• Java ArrayList indexOf() and lastIndexOf() Example

• Search an Element in an ArrayList in Java

• Java ArrayList removeAll() Method Example

• Java ArrayList remove() Method Example

• How to Iterate over ArrayList in Java

• How to Remove Element from ArrayList in Java

• How to Access Elements of ArrayList in Java

• Create ArrayList from Another ArrayList in Java

• How to Create an ArrayList and Add Elements to It

• Java ArrayList subList() Example

• Get Index of Elements in ArrayList Example

• Java ArrayList removeIf() Example

• Add multiple Elements to ArrayList in Java // JavaGuides

• Different Ways to Iterate over a List in Java [Snippet] // JavaGuides

• Difference between Array vs ArrayList in Java (interview) // JavaGuides

• Conversion Between Array and List in Java // JavaGuides

Arrays

• Copying part of Array in Java Example

• Sorting an Array using Arrays.sort() Method

• Check Two Arrays are Deeply Equal

• Java Arrays.copyOf() Example - Copying an Array

• Java Arrays.binarySearch() Example - Searching an Array

• Java Arrays.asList() Example - Convert Array to ArrayList

Collections

• Sort String in Ascending Order in Java

• Sort String in Descending Order in Java

• Sort Integer in Ascending Order in Java Example

• Sort Integer in Descending Order in Java Example

• Sort User-Defined Objects in Ascending Order in Java

• Sort User-Defined Objects in Descending Order in Java

• Sort User-Defined Objects using Comparator Interface

LinkedList

• Java LinkedList add(), addFirst(), addLast() and addAll() Example

• Iterate LinkedList using forEach() Method Example

• Iterate through a LinkedList using an Iterator in Java

• Iterate or Loop Through Elements LinkedList in Java Example

• Search Elements of LinkedList in Java with Example

• Remove First and Last Elements of LinkedList in Java

• Get Elements from LinkedList Java Example

• Java LinkedList remove(), removeFirst(), removeLast(), removeIf() and clear() Example

HashSet

• Create HashSet in Java

• Iterating over a HashSet using Iterator

• Iterate over HashSet in Java

• Remove Element from HashSet in Java

• Create HashSet in Java

LinkedHashSet

• Iterating over a LinkedHashSet using forEach() Method Example

• Iterate over LinkedHashSet using Iterator in Java Example

• Iterate over LinkedHashSet in Java Example

• Remove all Elements from LinkedHashSet in Java Example

• Remove Element from LinkedHashSet Example

• Check If an Element Exists in Java LinkedHashSet Example

• Create LinkedHashSet in Java Example

TreeSet

• Create TreeSet in Java Example

• Iterating over a TreeSet using Java 8 forEach() Method

• Iterate over a TreeSet using Iterator in Java Example

• Iterate over TreeSet in Java Example

• Remove All Elements from Java TreeSet Example

• Remove First and Last Element from TreeSet in Java

• Remove Element from TreeSet in Java Example

• Check If an Element Exists in Java TreeSet Example

• Java TreeSet add(), first() and last() Method Example

Stack

• Java Convert ArrayList to Stack Example

• Java Convert Array to Stack Example

• Java Stack push() Method Example

• Java Stack empty() Method Example

• Java Stack peek() Method Example

• Java Stack search() Method Example

• Java Stack pop() Method Example

Queue

• Java Deque and ArrayDeque Examples

• Iterating over a Queue in Java Example

• Java Queue isEmpty(), size(), element() and peek() Example

• Java Queue Interface Example

• Java Priority Queue of User Defined Objects Example

• Java Create a Priority Queue with a Custom Comparator

• Create a Priority Queue in Java Example

HashMap

• HashMap Stream and Filtering Example

• Java HashMap Iteration over Values Example

• Java HashMap Iteration over Keys

• Java HashMap replace() Example

• Java HashMap size Example

• Iterate over a HashMap Java using Lambda

• Iterate over a HashMap Java 8 forEach

• Iterating over a HashMap using Iterator in Java

• Iterate over HashMap in Java

• How to Store Employee Objects in HashMap

• Remove Entry from HashMap Java

• Check If Value Exists in HashMap Java Example

• Check If Key Exists in HashMap Java Example

• Create a HashMap in Java Example