Day 1: Data Types In Java | 30 Days Of Code | Hackerrank Programming Solutions

Hello Programmers/Coders, Today we are going to share solutions of Programming problems of 30 Days Of Code, HackerRank. At Each Problem with Successful submission with all Test Cases Passed, you will get an score or marks. And after solving maximum problems, you will be getting stars. This will highlight your profile to the recruiters.

In this post, you will find the solution for Day 1: Data Types in Java-HackerRank Problem. We are providing the correct and tested solutions of coding problems present on HackerRank. If you are not able to solve any problem, then you can take help from our Blog/website.

Use “Ctrl+F” To Find Any Questions Answer. & For Mobile User, You Just Need To Click On Three dots In Your Browser & You Will Get A “Find” Option There. Use These Option to Get Any Random Questions Answer.

Link for the ProblemDay 1: Data Types– Hacker Rank Solution

Day 1: Data Types – Hacker Rank Solution


Today, we’re discussing data types. Check out the Tutorial tab for learning materials and an instructional video!

Complete the code in the editor below. The variables , , and  are already declared and initialized for you. You must:

  1. Declare  variables: one of type int, one of type double, and one of type String.
  2. Read  lines of input from stdin (according to the sequence given in the Input Format section below) and initialize your  variables.
  3. Use the  operator to perform the following operations:
    1. Print the sum of  plus your int variable on a new line.
    2. Print the sum of  plus your double variable to a scale of one decimal place on a new line.
    3. Concatenate  with the string you read as input and print the result on a new line.

Note: If you are using a language that doesn’t support using  for string concatenation (e.g.: C), you can just print one variable immediately following the other on the same line. The string provided in your editor must be printed first, immediately followed by the string you read as input.

Input Format

The first line contains an integer that you must sum with .
The second line contains a double that you must sum with .
The third line contains a string that you must concatenate with .

Output Format

Print the sum of both integers on the first line, the sum of both doubles (scaled to  decimal place) on the second line, and then the two concatenated strings on the third line.

Sample Input

is the best place to learn and practice coding!

Sample Output

HackerRank is the best place to learn and practice coding!


When we sum the integers  and , we get the integer .
When we sum the floating-point numbers  and , we get .
When we concatenate HackerRank with is the best place to learn and practice coding!, we get HackerRank is the best place to learn and practice coding!.

You will not pass this challenge if you attempt to assign the Sample Case values to your variables instead of following the instructions above and reading input from stdin.

Day 1: Data Types – Hacker Rank Solution
import java.util.Scanner;

 * @author Aditi Kumari
public class Day1DataTypes {
	public static void main(String[] args) {
		int i = 4;
		double d = 4.0;
		String s = "HackerRank ";

		Scanner scan = new Scanner(;

		/* Declare second integer, double, and String variables. */
		int ii = scan.nextInt();
		double dd = scan.nextDouble();
		String ss = scan.nextLine();

		System.out.println(i + ii);
		System.out.println(d + dd);
		System.out.println(s + ss);

		/* Read and save an integer, double, and String to your variables. */
		// Note: If you have trouble reading the entire String, please go back and
		// review the Tutorial closely.

		/* Print the sum of both integer variables on a new line. */

		/* Print the sum of the double variables on a new line. */

		 * Concatenate and print the String variables on a new line; the 's' variable
		 * above should be printed first.


436 thoughts on “Day 1: Data Types In Java | 30 Days Of Code | Hackerrank Programming Solutions”

  1. In February 2015, a total of 7,170 Bitcoin was stolen from the Chinese exchange Bter and traced back to the same tumbler. In addition, components of the platform are split into separate sections to operate according to the needs of the specific community or as a platform gateway to fiat currencies or cryptocurrencies in other communities for mutual prosperity. Copyright © 2023 MarketWatch, Inc. All rights reserved. Polkadot leads rises as largest cryptocurrencies start mixed Movies in theaters Three individuals and one business are indicted on a charge of engaging in a pattern of corrupt activity among several other charges for operating cryptocurrency kiosks in Northeast Ohio. In total, 30 law enforcement offices were involved with the investigation. The scammers will encourage you to buy cryptocurrency through an exchange or request you send money to a company for them to do so on your behalf. They will then claim to either trade on your behalf, or coach you through making trades yourself. You will be able to see the profits you have made on a webpage, app or custom MetaTrader platform.
    But more importantly, the setup trendline at $21.5 would likely represent the most significant hurdle for NEO to overcome. Site Design by RC Website Design Company There are currently no items in this Watchlist. Given NEO’s volatility, its live price can change by a large amount in a very short space of time. The market cap of Neo is equal to the price of NEO multiplied by the number of NEO in circulation. © 2023 from UAB Exigam Releases: In the context of cryptocurrencies, a Neo exchange can be termed as an online platform where buyers and sellers can get together and freely exchange Neo and its tokens, against fiat currencies or other cryptos. The platform functions as a mediator between buyers and sellers and is usually paid a commission for its services.  25.6K views|METAMORPHOSIS – INTERWORLD

  2. I like the valuable info you provide in your articles. I’ll bookmark your blog and check again here regularly. I am quite certain I will learn many new stuff right here! Good luck for the next!

  3. Sight Care is a daily supplement proven in clinical trials and conclusive science to improve vision by nourishing the body from within. The Sight Care formula claims to reverse issues in eyesight, and every ingredient is completely natural.

  4. Cortexi is a completely natural product that promotes healthy hearing, improves memory, and sharpens mental clarity. Cortexi hearing support formula is a combination of high-quality natural components that work together to offer you with a variety of health advantages, particularly for persons in their middle and late years. Cortex not only improves hearing but also decreases inflammation, eliminates brain fog, and gives natural memory protection.

  5. Puravive introduced an innovative approach to weight loss and management that set it apart from other supplements. It enhances the production and storage of brown fat in the body, a stark contrast to the unhealthy white fat that contributes to obesity.

  6. FitSpresso stands out as a remarkable dietary supplement designed to facilitate effective weight loss. Its unique blend incorporates a selection of natural elements including green tea extract, milk thistle, and other components with presumed weight loss benefits.

  7. GlucoBerry is one of the biggest all-natural dietary and biggest scientific breakthrough formulas ever in the health industry today. This is all because of its amazing high-quality cutting-edge formula that helps treat high blood sugar levels very naturally and effectively.

  8. Kerassentials are natural skin care products with ingredients such as vitamins and plants that help support good health and prevent the appearance of aging skin. They’re also 100% natural and safe to use. The manufacturer states that the product has no negative side effects and is safe to take on a daily basis. Kerassentials is a convenient, easy-to-use formula.

  9. Dentitox Pro is a liquid dietary solution created as a serum to support healthy gums and teeth. Dentitox Pro formula is made in the best natural way with unique, powerful botanical ingredients that can support healthy teeth.

  10. Gorilla Flow is a non-toxic supplement that was developed by experts to boost prostate health for men. It’s a blend of all-natural nutrients, including Pumpkin Seed Extract Stinging Nettle Extract, Gorilla Cherry and Saw Palmetto, Boron, and Lycopene.

  11. Nervogen Pro, A Cutting-Edge Supplement Dedicated To Enhancing Nerve Health And Providing Natural Relief From Discomfort. Our Mission Is To Empower You To Lead A Life Free From The Limitations Of Nerve-Related Challenges. With A Focus On Premium Ingredients And Scientific Expertise.

  12. Cortexi is an effective hearing health support formula that has gained positive user feedback for its ability to improve hearing ability and memory. This supplement contains natural ingredients and has undergone evaluation to ensure its efficacy and safety. Manufactured in an FDA-registered and GMP-certified facility, Cortexi promotes healthy hearing, enhances mental acuity, and sharpens memory.

  13. Sight Care is a daily supplement proven in clinical trials and conclusive science to improve vision by nourishing the body from within. The Sight Care formula claims to reverse issues in eyesight, and every ingredient is completely natural.

  14. Artikel ini hebat! Cara penjelasannya sungguh memikat dan sangat mudah untuk dipahami. Sudah jelas bahwa telah banyak upaya dan studi yang dilakukan, yang sungguh mengesankan. Penulis berhasil membuat topik ini tidak hanya menarik tetapi juga seru untuk dibaca. Saya dengan suka cita menantikan untuk menjelajahi konten seperti ini di masa depan. Terima kasih atas berbaginya, Anda melakukan pekerjaan yang luar biasa!

  15. The game client now supports fully working multiplayer, all original maps and more. Legal disclaimer: “Chrono Divide” is a non-profit fan project and is in no way affiliated with Electronic Arts Inc. “Command & Conquer: Red Alert 2” is a registered trademark of Electronic Arts Inc. No copyright infringement is intended. All rights are held by their respective owners. Command & Conquer 4 You can also check out new gameplay modes not available in the original. One of these modes is the Generals’ Challenge, where you take on the mantle of a General and battle other contenders. This is a crossover between campaign and skirmish, giving you a series of increasingly difficult and self-contained battles with AI-controlled players. Be warned though: the final “boss” is a General that utilizes technologies from all factions.
    Wizard101 can be downloaded at Wizard101. Players seeking access to premium areas and items may purchase pre-paid cards in participating stores or purchase a subscription or Crowns online. New worlds, activities, pets and Wizard clothing are periodically added to the game, creating an ever-changing world with new things to see and do. We don’t have any change log information yet for version of Wizard101. Sometimes publishers take a little while to make this information available, so please check back in a few days to see if it has been updated. “Today marks an important date in the history of Wizard101 as we begin to welcome European Wizards home,” says KingsIsle Entertainment Game Director Leah Ruben. “While this is only the start of a longer road to syncing content internationally, it’s certainly a step in the right direction as we work hard to bring better support to European players going forward.” 

  16. The root of your writing while sounding agreeable originally, did not settle perfectly with me after some time. Somewhere within the sentences you managed to make me a believer but just for a while. I nevertheless have got a problem with your jumps in logic and one might do well to fill in those breaks. In the event that you can accomplish that, I would certainly end up being impressed.

  17. Heya i am for the first time here. I came across this board and I find It really useful & it helped me out a lot. I hope to give something back and help others like you helped me.

  18. Good ?V I should definitely pronounce, impressed with your site. I had no trouble navigating through all tabs as well as related info ended up being truly simple to do to access. I recently found what I hoped for before you know it in the least. Quite unusual. Is likely to appreciate it for those who add forums or anything, website theme . a tones way for your client to communicate. Excellent task..

  19. I have been browsing online greater than 3 hours nowadays, but I by no means discovered any attention-grabbing article like yours. It is pretty worth enough for me. In my view, if all website owners and bloggers made excellent content material as you did, the internet might be a lot more useful than ever before. “When there is a lack of honor in government, the morals of the whole people are poisoned.” by Herbert Clark Hoover.

  20. Hey would you mind sharing which blog platform you’re working with? I’m looking to start my own blog in the near future but I’m having a difficult time making a decision between BlogEngine/Wordpress/B2evolution and Drupal. The reason I ask is because your design and style seems different then most blogs and I’m looking for something completely unique. P.S My apologies for being off-topic but I had to ask!

  21. WARNING: The content on this site should not be considered investment advice. Investing is speculative. When investing your capital is at risk. This site is not intended for use in jurisdictions in which the trading or investments described are prohibited and should only be used by such persons and in such ways as are legally permitted. Your investment may not qualify for investor protection in your country or state of residence, so please conduct your own due diligence. This website is free for you to use but we may receive commission from the companies we feature on this site. Moving averages are among the most popular Verasity price prediction tools. As the name suggests, a moving average provides the average closing price for VRA over a selected time frame, which is divided into a number of periods of the same length. For example, a 12-day simple moving average for VRA is a sum of VRA’s closing prices over the last 12 days which is then divided by 12.
    To make a transfer, you need to provide a bank recipient name, address, and the IBAN or SWIFT number. This information you can get when you initiate the SWIFT deposit on CEX.IO. Just enter the amount that you’re going to send, choose the country and click Proceed. You can give the receipt you get to your bank officer or use it in your online banking. But don’t forget to include your unique reference — an order number. Up to five bank accounts can be linked to your Exchange account for USD transfers. You will have to unlink one if you have reached your account limit and would like to add a new one. Pending accounts count towards your maximum account limit. However, rejected accounts do not. Whether you want to invest in cryptocurrencies, explore new financial opportunities, or simply manage your digital assets, Crypto offers you the tools you need to do so safely and efficiently. Start your adventure into the exciting world of cryptocurrencies with Crypto today.

  22. Whichever the case may be, it is worth avoiding any sort of unwarranted embarrassment or unnecessary attention given to your clothes. Therefore, we have compiled here a list of the latest lace styles and designs ideas that are trending in 2024 which any Nigerian woman can confidently wear with her shoulders high enough. Interestingly, lace materials are lightweight and also gives the much needed comfort to the wearer. Africa has created probably the most shocking African lace fabrics for ladies’ clothing. There is no extra stylish piece of trend for events than smooth lace dresses, or lace material has a magical capacity to radically change any everyday female into a very refined and female woman. Also Read: 50 Latest Lace Gown Styles for Ladies Where do you find amazing style inspo to ensure you are perceived as the gorgeous beaut that you are?
    Shoes & Boots For her third look of the week Holly is wearing a black floral midi dress and black heels. Holly’s dress is £75 but there’s limited stock, so we’ve found similar dress for less… NEWSLETTER SIGN-UP Atmosphere Casual Women’s Pinafore Dungaree Dress By subscribing you agree to our terms and privacy. You can opt out at any time. SHOP LIMITED EDITION Black Knitted Pinafore Layer Dress £59.00 For her third look of the week Holly is wearing a black floral midi dress and black heels. Holly’s dress is £75 but there’s limited stock, so we’ve found similar dress for less… Fascinators and Hats Your browser’s Javascript functionality is turned off. Please turn it on so that you can experience the full capabilities of this site. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

  23. I will right away take hold of your rss as I can not to find your email subscription hyperlink or e-newsletter service. Do you’ve any? Kindly allow me realize in order that I could subscribe. Thanks.

  24. What is ZenCortex? ZenCortex is a cutting-edge dietary supplement meticulously crafted to provide essential nutrients that support and enhance healthy hearing

  25. An interesting discussion is worth comment. I think that you should write more on this topic, it might not be a taboo subject but generally people are not enough to speak on such topics. To the next. Cheers

  26. Your post is a wonderful start to the week, reflecting the beauty of this Monday. It’s well-crafted and insightful. More visuals in future posts could enrich the reader’s experience even further.

  27. This post is a wonderful tribute to a beautiful Monday. Your insights are as refreshing as the day itself. Adding more visuals could enrich the experience for visual learners like myself.

  28. I like the helpful info you supply to your articles. I will bookmark your weblog and take a look at once more here frequently. I am quite sure I will be told a lot of new stuff right right here! Good luck for the next!

  29. When I originally commented I clicked the “Notify me when new comments are added” checkbox and now each time
    a comment is added I get several e-mails with the same comment.

    Is there any way you can remove me from that service?
    Appreciate it!

  30. Unquestionably consider that that you said. Your favorite justification appeared to be at the internet the simplest thing to take note of. I say to you, I definitely get annoyed at the same time as people think about worries that they just don’t recognise about. You managed to hit the nail upon the top as smartly as outlined out the whole thing without having side-effects , people could take a signal. Will probably be back to get more. Thank you

    Liu Jian은 총알을 깨물었고 할 말이 없었습니다. “폐하, 황제가 말한 것이 이치에 맞습니다.”Liu Jian은 조금 놀랐고 Wang Shouren이 갑자기 왜 그렇게 높이 평가되었는지 이해하지 못했습니다.

  32. I am really loving the theme/design of your web site. Do you ever run into any browser compatibility issues? A number of my blog visitors have complained about my site not operating correctly in Explorer but looks great in Chrome. Do you have any suggestions to help fix this issue?

  33. I like what you guys are up also. Such intelligent work and reporting! Keep up the superb works guys I’ve incorporated you guys to my blogroll. I think it will improve the value of my site :).

  34. Along with almost everything which appears to be building inside this specific area, all your opinions are actually somewhat radical. Having said that, I beg your pardon, but I do not subscribe to your entire idea, all be it exhilarating none the less. It would seem to me that your opinions are generally not completely validated and in simple fact you are your self not really totally convinced of your argument. In any case I did appreciate examining it.

  35. Hey, I think your blog might be having browser compatibility issues. When I look at your website in Opera, it looks fine but when opening in Internet Explorer, it has some overlapping. I just wanted to give you a quick heads up! Other then that, great blog!

  36. A experiência de acessar este site é sempre tranquila e segura. A confiança que ele inspira é um testemunho de sua dedicação à excelência. Obrigado por ser um exemplo tão positivo na web!

  37. Hi there! Someone in my Facebook group shared this site with us so I came to give it a look. I’m definitely loving the information. I’m bookmarking and will be tweeting this to my followers! Wonderful blog and excellent design.

  38. It is appropriate time to make some plans for the future and it is time to be happy. I have read this post and if I could I wish to suggest you some interesting things or suggestions. Perhaps you could write next articles referring to this article. I want to read more things about it!


Leave a Comment

Ads Blocker Image Powered by Code Help Pro

Ads Blocker Detected!!!

We have detected that you are using extensions to block ads. Please support us by disabling these ads blocker🙏.