Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Mobile phones are becoming part of our life without which we may not survive for a day. Gone are the days when these devices were only used to making calls. These days’ mobile phones are not just for calls and chatting, but also for buying products, booking appointments, order a thing or two and much more which we usually perform with our desktops and laptops.In fact, many reputed surveys indicate that nowadays more people are using their smartphones instead of desktops or laptops to perform the online activities. There are billions of users around the world prefers to surf the ... Read More
Many project managers know the pain of getting right resources at right time. And, when the necessity is for bulk requirements, then the problem increases to manifolds. Even on some occasions, due to resource crunch, the project gets delayed, and managers have to face the music from the customers. So, it is important to give appropriate attention to resource planning by accurately assessing the project’s scope to estimate the number of resources required to complete the work.Though, many companies have dedicated resource pools which provide an opportunity to directly acquire the required resources from there. But that may not be ... Read More
Artificial Intelligence, Machine Learning, Automation are the few latest buzz words in the information technology sector. Certain technology or topic will remain as hot topic for a long period of time without any reason. These are one among that. And there is a fashion among the organizations to use certain technology in their organization, since their competitor is using the same. Few technologies become boom because of these pseudo competition among the organization. Although AI helps human engineers to solve the problems, at times I feel AI should be kept away from the scene. Of course, in certain cases AI ... Read More
‘Work-life balance’! Yes, one of those few phrases that has got weaved up into different strings of myriad hues creating new insights and new worlds of meanings and thought. What comes to an average mind when this phrase ‘work-life balance’ strikes? A weighing balance, isn’t? A weighing scale having worked at one end and life at the other and you got to ensure that you balance them correctly. Who does not want to have a better work-life balance? A wish most of us wish. After all, most of us live at each of the two extremes of this work-life balance ... Read More
In this highly competitive world, increasing population of educated people and explosion of media and communication, selecting a career is like walking on a sharpened sword. This is so true for the IT industry, as statistically, the competition is more in this industry. There are numerous or so shall I say “infinite” scope in this Industry and one must understand each, to select the appropriate stream, as per his/her own competencies. One such scope is the “Solutions expert” or “Microsoft Certified Solutions Expert (MCSE)”.MCSE Certification can be done once you have ample experience of configuring and troubleshooting computer frameworks run ... Read More
God helps those who help themselves. While, it is a moral duty of each and every individual to lend a helping hand to others, there are many instances where we have to help our own selves and these are mostly concerned with our safety and protection. Women today are becoming more and more vulnerable to security issues, which is actually a serious problem in our country.It’s time again that women free themselves from the clutches of bondage and become the harbinger of power (Shakti) who has worshiped a Durga in this country yet women live under constant fear and threat. ... Read More
public interface List extends CollectionThe List interface extends Collection and declares the behavior of a collection that stores a sequence of elements.Elements can be inserted or accessed by their position in the list, using a zero-based index.A list may contain duplicate elements.In addition to the methods defined by Collection, List defines some of its own, which are summarized in the following table.Several of the list methods will throw an UnsupportedOperationException if the collection cannot be modified, and a ClassCastException is generated when one object is incompatible with another.ExampleThe above interface has been implemented in various classes like ArrayList or LinkedList, ... Read More
In today’s digital world, we can access just anything and everything, from our small handy buddy, our mobile smartphone. Our little handy phone has become our calendar, reminder, alarm clock, radio, music player, scheduler, phone book, bookstore, movie theater, gaming arcade, portable drive and many more roles it has adapted. With so many roles to play, it is difficult to decide how to accommodate everything in the limited memory space the smartphones have.With the rise of the usage of the cell phones, the number of apps available in play store is ever increasing. Everyday, thousands of apps make it to ... Read More
A List of elements can be created using multiple ways.Way #1Create a List without specifying the type of elements it can holds. Compiler will throw warning message for it.List list = new ArrayList();Create a List and specify the type of elements it can holds.Way #2List list = new ArrayList();Way #3Create and initialize the list in one line.List list = Arrays.asList(object1, object 2);ExampleFollowing is the example to explain the creation of List objects −package com.tutorialspoint; import java.util.*; public class CollectionsDemo { public static void main(String[] args) { List list = new ArrayList(); list.add("Zara"); ... Read More
We can create a list from a set using its constructor.List list = new ArrayList(set);ExampleFollowing is the example showing the conversion of set to list −package com.tutorialspoint; import java.util.ArrayList; import java.util.HashSet; import java.util.List; import java.util.Set; public class CollectionsDemo { public static void main(String[] args) { Set set = new HashSet(); set.add(1); set.add(2); set.add(3); set.add(4); System.out.println("Set: " + set); List list = new ArrayList(set); System.out.println("List: " + list); } }OutputThis will produce the following result −Set: [1, 2, 3, 4] List: [1, 2, 3, 4]