Add Multiple Items to a Java ArrayList in Single Statement

Mahesh Parahar
Updated on 09-May-2022 11:30:00

3K+ Views

We can utilize Arrays.asList() method to get a List of specified elements in a single statement.Syntaxpublic static List asList(T... a)Returns a fixed-size list backed by the specified array. (Changes to the returned list "write through" to the array.)Type ParameterT  − The runtime type of the array.Parametersa  − The array by which the list will be backed.ReturnsA list view of the specified arrayIn case we use Arrays.asList() then we cannot add/remove elements from the list. So we use this list as an input to the ArrayList constructor to make sure that list is modifiable.ExampleThe following example shows how to create ... Read More

Insert Item Between Two Items in a List in Java

Mahesh Parahar
Updated on 09-May-2022 11:26:55

2K+ Views

We can insert element between two items of an array list easily using its add() method.Syntaxvoid add(int index, E element)Inserts the specified element at the specified position in this list (optional operation). Shifts the element currently at that position (if any) and any subsequent elements to the right (adds one to their indices).Type ParameterE  − The runtime type of the element.Parametersindex  − Index at which the specified element is to be inserted.e  − Element to be inserted to this list.ThrowsUnsupportedOperationException − If the add operation is not supported by this listClassCastException − If the class of the specified element prevents it ... Read More

Why Do We Cry? Can It Be Controlled?

Prasanna Kotamraju
Updated on 09-May-2022 11:24:20

187 Views

Humans cry to express their emotional state which may be sadness, anger or joy. It’s a powerful nonverbal communication used by all ages of people to express their strong inner feelings. Shedding tears is common in almost every human being to express their emotions.There can be both positive and negative tears. Crying can be a result of profound joy or happiness, feeling blissful or ultimate contention or due to sadness or feeling helpless.People cry when they feel emotionally stressed or busted. Crying may not be always out of sadness or frustration or hopelessness, though. It’s a way of expressing the ... Read More

5 Common Security Breaches and How to Defend Against Them

Samual Sam
Updated on 09-May-2022 11:18:58

165 Views

Your website is one of your business’s most important tools. It draws new customers; informs current customers; gives you a portal to effectively communicate with the world; and helps shape the image of both you and your business.Each hiccup in your website’s operation can cause you headaches and cost you money. To keep things running smoothly, take a look at the following common security breaches and how to defend against them.DDoSThis isn’t DOS with a stutter. DDoS stands for distributed denial of service. This is when a team of malicious computers gang up on your website to flood your website ... Read More

Make Money Online: Profit Without Investment

Samual Sam
Updated on 09-May-2022 11:16:03

649 Views

Nobody in the world, who does not require extra money in their hand without going anywhere and without investing anything?If you are artistic and self-confident about your skills and very much interested in googling, then making money online won’t be tough for you.Because of some reason, if your cash gets over and you need extra cash immediately, internet is an excellent resource to make money fast without going anywhere. Also, you get various options to work according to your skills and your own comfort.To earn money online; it is not required that you should be having your own website, own ... Read More

Create a Powerful Occurrence on the Web

Samual Sam
Updated on 09-May-2022 11:06:33

95 Views

In daily life, web has become something for someone without that they can’t imagine their life. People who are web lover; at once they can live without feeding and using things which are important in everyday life, but they can’t live without using web or can’t breathe without it. It is available 24X7 with consistent care.To make your presence strong on web, it is not enough to just be online, only. No matter what business you are doing, there are too many competitors in this market who are trying hard to call Customers. To strengthen yourself on web, create a ... Read More

6 Ways to Hold a Virtual Group Meeting

Samual Sam
Updated on 09-May-2022 11:05:34

190 Views

Virtual meetings offer a powerful way for students to collaborate, both for online classes and live lectures. When you don’t have the time or facilities to get together in person, these services will help you host an efficient group study session or meeting.Create Unlimited Groups with RcampusThis free site allows users to create and participate in an unlimited number of study groups for free. Each Rcampus group receives a home page and message center for easy sharing. The group’s creator or moderator is responsible for maintaining the home page and deciding who has access to the group. All messages and ... Read More

Best Ways to Call More Viewers on YouTube

Samual Sam
Updated on 09-May-2022 10:30:43

1K+ Views

It is really shocking that in many cases, some people get number of subscribers (viewers) and some don’t get single one, every day. There are various ways that define how many subscribers people get on YouTube, every day. Some people are already celebrity before creating account in Youtube and some become celebrity after creating account in Youtube.Now, getting good subscribers on Youtube is really become a difficult task because everyone has become smart, they know where to get and how to get right thing (video). More subscribers bring that much numbers of views and build your position strong in Youtube.So, ... Read More

Best Ways to Improve Twitter Conversation

Samual Sam
Updated on 09-May-2022 08:54:37

142 Views

Purpose of using Twitter is to build robust connections with like-minded people. These connections bring more traffic towards you. Also, these social connections are good to boost small or large business.Increasing social connection is not so easy task; you should be very strong in Twitter conversation area. It is very challenging job. There are many people who join Twitter but they don’t know how to talk with others or how to find like-minded people on Twitter.So, if you are a twitter lover and want to become an expert in Twitter conversation, but don’t know how and from where to begin? ... Read More

Add Element to ArrayList in Java

Mahesh Parahar
Updated on 09-May-2022 08:51:37

887 Views

SolutionWe can add element to an array list easily using its add() method.Syntaxboolean add(E e)Appends the specified element to the end of this list.Type ParameterE  − The runtime type of the element to be added.Parameterse  − Element to be appended to this listReturnsIt returns true.ThrowsUnsupportedOperationException  − If the add operation is not supported by this listClassCastException  − If the class of the specified element prevents it from being added to this listNullPointerException  − If the specified element is null and this list does not permit null elementsIllegalArgumentException  − If some property of this element prevents it from being added to ... Read More

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