Prev Next

Java / Collections

Difference between the add and offer methods in a Queue in Java.

When an element cannot be added to collection the add method throws an exception while offer method doesn't.

It's right time to invest in Cryptocurrencies Dogecoin! Earn free bitcoins up to $250 now by signing up.

Earn bitcoins upto $250 (free), invest in other Cryptocurrencies when you signup with blockfi. Use the referral link: Signup now and earn!

Using BlockFi, don't just buy crypto - start earning on it. Open an interest account with up to 8.6% APY, trade currencies, or borrow money without selling your assets.

Join CoinBase! We'll both receive $10 in free Bitcoin when they buy or sell their first $100 on Coinbase! Available in India also. Use the referral Join coinbase!

Invest now!!! Get Free equity stock (US, UK only)!

Use Robinhood app to invest in stocks. It is safe and secure. Use the Referral link to claim your free stock when you sign up!.

The Robinhood app makes it easy to trade stocks, crypto and more.

Webull! Receive free stock by signing up using the link: Webull signup.

More Related questions...

How get() method will handle if two keys have the same hashcode? How to reverse the List using Collections? How do I parse an URL String into Name-Value Collection? How do you initialize an ArrayList? Advantages of using Collections Framework. What get() method return if the key does not exist at HashMap? What is Java Collections Framework? Explain get(keyObj) method of HashMap/Hashtable. Root interface in collection hierarchy. Where does the Java Collection framework packaged? How do I synchronize a ArrayList In Java? Does HashMap get() method work with value object's hashcode? What is Entry? Difference between poll() and remove() method of Queue interface. Difference between fail-fast and fail-safe Iterators. Which collection classes are synchronized or thread-safe ? What are the core Collection interfaces? What is the difference between List and Set ? What is the difference between Map and Set ? What are the classes that implements List and Set interface ? What is an iterator? What is the difference between Iterator and Enumeration ? Which design pattern implemented by Iterator? What are the methods to be overridden to use an object type as key in HashMap ? What is the difference between Queue and Stack? Convert the array of strings into a list. What is the difference between HashMap and Hashtable? What is the difference between peek(),poll() and remove() method of the Queue interface? What is the difference between Iterator and ListIterator? What is the difference between Array and ArrayList in Java? Does HashSet ignore String case when contains() method is invoked in Java? How do you swap two elements in a list using Collections class API? What is IdentityHashmap in Java? What are the similarities between HashSet, LinkedHashSet and TreeSet In Java? List the differences between LinkedList and ArrayList in Java. List out the similarities between ArrayList and LinkedList in Java. Java: Which algorithm does Collections.sort() use? Why Collection does not extend Cloneable and Serializable interfaces ? Difference between Comparable and Comparator interface. Difference between Synchronized Collection and Concurrent Collection. What is BlockingQueue in Java collections? Difference between the add and offer methods in a Queue in Java. How do you filter a Java Collection? How to avoid ConcurrentModificationException when removing while Iterating through a Collection? What is the difference between Streams and Collections in Java 8? What is predicate in Java 8? Advantages of using Lambda expression. Difference between Predicate and function in Java 8. Difference between IntStream.rangeClosed() and range() in Java 8. What is the main objective of streaming and lambda in Java8? How are the parallel streams implemented in Java8? Explain Supplier interface in Java8. What is BooleanSupplier interface in Java8? Why do we need to use Java 8 Stream API? The default capacity of Collection Elements: ArrayList, Vector, HashSet, Hashtable, and HashMap. How Fail Fast Iterator works internally?
Show more question and Answers...

List and its implementations

Comments & Discussions

Interviews Questions

About Javapedia.net

Javapedia.net is for Java and J2EE developers, technologist and college students who prepare of interview. Also this site includes many practical examples.

This site is developed using J2EE technologies by Steve Antony, a senior Developer/lead at one of the logistics based company.

contact: javatutorials2016[at]gmail[dot]com

Kindly consider donating for maintaining this website. Thanks.

Copyright © 2020, javapedia.net, all rights reserved. privacy policy.

DMCA.com Protection Status