UrbanPro

Learn Java Training from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

Search in

Explain the difference between a List, Set, and Map.

Asked by Last Modified  

1 Answer

Learn Java

Follow 1
Answer

Please enter your answer

IT Professional with 8 years of experience in Cloud Software Development

List is an array of Objects. List maintains the inserted order. List allows duplicates Set is an array of Objects. Set doesn't maintain the inserted order. It always stores element in sorted order. Set doesn't allow Duplicate Objects. Map is a collection that stores key-value pairs. Each key is associated...
read more

List is an array of Objects. List maintains the inserted order. List allows duplicates 

Set is an array of Objects. Set doesn't maintain the inserted order. It always stores element in sorted order. Set doesn't allow Duplicate Objects.

Map is a collection that stores key-value pairs. Each key is associated with a value, and the keys are unique within the Map.

Map allows you to retrieve values based on their keys efficiently.

read less
Comments

Related Questions

What are the advantages of learning Java?
Dear Niteen Java is one of the most widest implemented technology for programming. Not only its used to develop full fledged Software Applications, but its also used for programming devices like Set...
Niteen
0 0
6
public class X { public static void main(String [] args) { X x = new X(); X x2 = m1(x); /* Line 6 */ X x4 = new X(); x2 = x4; /* Line 8 */ doComplexStuff(); } static X m1(X mx) { mx = new X(); return mx; } } After line 8 runs. how many objects are eligible for garbage collection?
Only one. After line 8 the original object referred to by x2 is dereferenced and ready for garbage collection. In m1(), mx ignores the object passed as argument and refers to a new object which is returned.
Srikanth
Write a programme to replace the string without using replace command? This is my string. ..... s is replaced by th output is Thith ith my thtring
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package logic; ...
Mithun
What is reflection and what is its use in Java?
Its generally meant for redefining the definition of objected oriented features in more depth to intensify its object oriented design.
Rahul
0 0
7
Is it possible to learn java at home without coaching in one month?
It all depends on you. If you are already aware of programming then it is definetly possible to learn java at home. But if learn through a tutor then you can learn easily.
Pritom
0 0
5

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

Ask a Question

Related Lessons

Inheritance In Java
Inheritance: The process of getting properties and behaviors from one class to another class is called inheritance. Properties: Variables Behaviors: Methods The main purpose of the inheritance...
D

Deleted U.

1 0
0

How To Setup development Environment Of Java?
After installation of JAVA, we need to setup 2 environment variables. First one is JAVA_HOME and second is Path. Below steps to set up Java environment to compile & execute Java programs from command...

Java Hash Map internal implementation
1.Hash Map internal implementation: In hash map it will create an array of table (to store the {Key,Value} pair) which is of type java.util.HashMap.EntryThe Entry object contains {hash, key, next, value}...
R

What Would Be Life Cycle Of A Fresher After Campus In An IT Company?
1. Basic Technical Training: Since freshers are not subject matter experts so gone through 3 - 6 months basic technical training within Organization. 2. Technical Assessment: HR sends freshers to various...

doWhile example in Java
public class doWhilePracticleEx { public void test() { } public static void main(String args) { String q1 = "Who is PM of India?"; String a1 = "Sonia Gandhi"; String a2 = "Rahul Gandhi"; String a3...
S

Sarthak C.

0 0
0

Recommended Articles

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 >

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 >

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 >

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 >

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
X

Looking for Java Training Classes?

The best tutors for Java Training Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Learn Java Training with the Best Tutors

The best Tutors for Java Training Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more