When should I use different collection classes in Java?

Asked by Last Modified  

3 Answers

Learn Java

Follow 1
Answer

Please enter your answer

Sahiba Grover

Tutor

Every collection has its own advantage and disadvantages. Also, each collection has a different usage. Choose according to the data which needs to be stored
Comments
Dislike Bookmark

Tutor

Collection classes in Java Cite: https://www.javatpoint.com/collections-in-java :
Comments
Dislike Bookmark

Hai As per my knowledge The Java Collections API provides a whole host of data structures, especially since the API was expanded in Java 5 (and again slightly in Java 6) to include concurrent collections. At first, the array of choices can be a little daunting: should I use a HashMap or a LinkedHashMap?...
read more
Hai As per my knowledge The Java Collections API provides a whole host of data structures, especially since the API was expanded in Java 5 (and again slightly in Java 6) to include concurrent collections. At first, the array of choices can be a little daunting: should I use a HashMap or a LinkedHashMap? When should I use a list or a HashSet? When should I use a TreeMap rather than a HashMap? But with a bit of guidance, the choice needn't be quite so daunting. There are also a few cases where it's difficult to decide because the choice is very arguable. And in other cases, having a clear set of rules of thumb can guide you to an appropriate decision. Thankyou read less
Comments
Dislike Bookmark

View 1 more Answers

Related Questions

Should we learn DBMS and RDBMS without any Java training?
java or i can say any programming language is not required to learn DBMS or RDBMS
Karthik
0 0
View Comments6
How do apprachto an unknown problem to construct itssolution? Especially when do you face any programming challenge.
First approach your teacher or tutor about problem statement and ask for solution to get it solved.. Next practise similar kind of things by using other books or google or youtube help... If you u facing any challenges...
Tanmoy Gupta
0 0
View Comments8
What is the difference between checked and unchecked exceptions?
The main difference between checked and unchecked exception is that the checked exceptions are checked at compile-time while unchecked exceptions are checked at runtime
Wren
Can a class have interface and vice-versa?
Interface is used to support multiple inheritance only.
Deepa
0 0
View Comments7
What is meant by Java full stack and angular Java?
Fullstack development means the combination of UI technologies (client-side) + Backend technology (server-side). UI technology like Angular or ReactJs (Front end technologies). It's all about client-side...
Anuradha

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Java Achieve (JAR)
Java Archieve is a binary form to bundle a Java library which equivalent to zip file. It contains .class files, .properties, .jpeg, OR any supporting files to execute this library. For Example- junit.jar,...

Amit K.

0 0
View Comments0
2.1. Reverse a singly linked list.
class Node { int data; Node next; Node(int data) { this.data = data; this.next = null; }} public class LinkedList { Node head; public void reverse() { Node prev = null; Node curr = head; Node next =...

Vivek J.

0 0
View Comments0
Importance of Constructor's Visibility.
While developing program or implementing Singleton pattern we have learnt to mention constructor as private and known reason is -> to blocked its direct call from outside of class. But did we think...

Milan M.

0 0
View Comments0
Spring - Dependency Injection (DI)
Spring - Dependency Injection (DI) DI is a framework which provides loose coupling in code. Here loose coupling means no hard coding of the object. Instead of hard coding, we will be injecting these object...

Gaurav Kothari

1 0
View Comments0
What Is Java? Explain The History Of Java
i. Ovierview: Java programming language was originally developed by Sun Microsystems which was initiated by James Gosling and released in 1995 as core component of Sun Microsystems' Java platform (Java...

Dev Group

1 0
View Comments0

Recommended Articles

Why Java is the Most Popular Programming Language

Designed in a flexible and user-friendly demeanor, Java is the most commonly used programming language for the creation of web applications and platform. It allows developers to “write once, run anywhere” (WORA). It is general-purpose, a high-level programming language developed by Sun Microsystem. Initially known as an...

Read full article >

Top 5 Reasons to Learn JavaScript

Before we start on the importance of learning JavaScript, let’s start with a short introduction on the topic. JavaScript is the most popular programming language in the world, precisely it is the language - for Computers, the Web, Servers, Smart Phone, Laptops, Mobiles, Tablets and more. And if you are a beginner or planning...

Read full article >

Some Popular IT Courses in Current Market

In the domain of Information Technology, there is always a lot to learn and implement. However, some technologies have a relatively higher demand than the rest of the others. So here are some popular IT courses for the present and upcoming future: Cloud Computing Cloud Computing is a computing technique which is used...

Read full article >

Java: An Object-Oriented Language

Java is the most commonly used popular programming language for the creation of web applications and platform today. Integrated Cloud Applications and Platform Services Oracle says, “Java developers worldwide has over 9 million and runs approximately 3 billion mobile phones”.  Right from its first implication as java 1.0...

Read full article >

Find Oracle Java Certification near you
Oracle Java Certification in Bangalore
Oracle Java Certification in Hyderabad
Oracle Java Certification in Pune
Oracle Java Certification in Chennai
Oracle Java Certification in Delhi
Oracle Java Certification in Mumbai
Oracle Java Certification in Kolkata
Oracle Java Certification in Noida
Oracle Java Certification in Gurgaon
Oracle Java Certification in Ghaziabad
Online Java Training

Looking for Java Training Classes?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you