Hackerearth Java

Take up online programming challenges, get hired! Compete against the best programmers!. Java examples (Java sample source code) help to understand functionality of various Java classes and methods as well as various programming techniques in a simple way, which is otherwise very hard to learn by reading tutorials or Java API. Java program to display prime numbers from 1 to 100 and 1 to n By Chaitanya Singh | Filed Under: Java Examples The number which is only divisible by itself and 1 is known as prime number. There is at least one path that leads you to the city on the other side but you cannot see anything until you are right in…. Find and print the number of pairs where and + is evenly divisible by. The company was Founded on November 2012 by Sachin gupta and Vivek Prakash, the company, the size of the company is around 50-100. He took all his students to the playground and asked them to stand in a straight line. Join over 5 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Hackerearth_Solutions. Some recently asked HackerEarth Software Developer interview questions were, "Basic HR questions. I did well in the competition the next round consisted of a telephonic interview. Java is the foundation for virtually every type of networked application and is the global standard for developing and delivering embedded and mobile applications, games, Web-based content, and enterprise software. It works similar to java. com HackerEarth is a network of developers, indexed and ranked by their skills and automatically validated by mining their online social and professional data. I have received below tips directly from Amazon, and that explain everything very well : Thank you for taking the time to speak with us. An array is a sequential collection of elements of same data type and stores data elements in a continuous memory location. util package, this class encapsulates the current date and time. Problem:- Create a mini Hospital Management System projects in Java with source code and download a report PDF free. Last update on July 05 2018 13:09:26 (UTC/GMT +8 hours) Java is the foundation for virtually every type of networked application and is the global standard for developing and delivering embedded and mobile applications, games, Web-based content, and enterprise software. Contribute to ad1992/HackerEarth development by creating an account on GitHub. We help companies accurately assess, interview, and hire top developers for a myriad of roles. Each of the next Q lines contains a test case consisting of 2 integers, a and b. Best practices. Need for Collection Framework : Before Collection Framework (or before JDK 1. How to use Ideone? Choose a programming language, enter the source code with optional input data and you are ready to go!. Solutions may be in c,c++,python or java. Core Java question bank & quiz comprising samples, examples, code, output & theory based questions from. How to Write Your First Program in Java. How to Print an Array in Java. Learn More. View MOHAMMED TALHA'S profile on LinkedIn, the world's largest professional community. com, India's No. HackerEarth is a network of top developers across the world. Visualize o perfil completo no LinkedIn e descubra as conexões de Vivek e as vagas em empresas similares. You can choose any language from the given list to write your solution. A Vector is a re-sizable collection. sort() method is present in java. Deepak has 9 jobs listed on their profile. Launched in late 2012. Ideone is an online compiler and debugging tool which allows you to compile source code and execute it online in more than 60 programming languages. com, India's No. HackerEarth, a startup out of the GSF India accelerator, is looking […] HackerEarth Screens Developer Candidates For Startups Through Programming Challenges Kim-Mai Cutler 6 years. I/O is most important part of any programming language. We use cookies to ensure you have the best browsing experience on our website. They decided , they end up with a fun challenge who will put the last brick. This section explains how to create a basic printing program that displays a print dialog and prints the text "Hello World" to the selected printer. Best practices and tips to get you started with HackerEarth's products. HackerEarth allows recruiters to quickly identify and hire the right candidate from its thriving community of developers. You may find the problem description here Problem : You are lost in a dense jungle and it is getting dark. I have received below tips directly from Amazon, and that explain everything very well : Thank you for taking the time to speak with us. Java Programming questions and answers with explanation for interview, competitive examination and entrance test. Trick is to Pre-process the following DP matrix DP[i][j] : which denotes number of ways to get sum ' j ', using ' i ' digits Then calculate number of such Valid numbers with given sum f. Java is one of the most popular programming languages in use and hiring the…. Cars24 Java Hiring Challenge | Developer jobs on HackerEarth Cars24 is looking for talented engineers to join its Core Platform team. HackerEarth, a Bangalore-based startup that helps other startups hire programmers through technical challenges, has raised $500,000 in seed funding from Angelprime incubator. on the brite site you're following the Java Naming Conventions. Technical Evangelist at HackerEarth Greater New York City Area Computer Software. HackerRank for Work is the leading end-to-end technical recruiting platform for hiring developers. The recruiter who spoke to me and processed my resume was good , But the interview was pathetic, The interviewer dont know how to behave , Moved out in the middle of answering questions and asked me to continue in a rude way. View Anand Hariharan's profile on LinkedIn, the world's largest professional community. Java - Data Structures - The data structures provided by the Java utility package are very powerful and perform a wide range of functions. Rotation jobs in Bengaluru. Last update on July 05 2018 13:09:26 (UTC/GMT +8 hours) Java is the foundation for virtually every type of networked application and is the global standard for developing and delivering embedded and mobile applications, games, Web-based content, and enterprise software. Join over 5 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. A result oriented management professional with over 12 progressive years of extensive experience in Sales, Marketing & Business Development in Enterprise & Solution Sales. See the complete profile on LinkedIn and discover Cherish’s connections and jobs at similar companies. Salaries posted anonymously by HackerEarth employees. More precisely… rewrite small numbers from input to output. I/O is most important part of any programming language. HackerEarth is a global hub of 3M+ developers. com HackerEarth Discover the best technical talent 2. The important points about Java LinkedList are: Java LinkedList class can contain duplicate elements. Swarnendu ha indicato 3 esperienze lavorative sul suo profilo. Hackerearth is a startup technology company headquartered at Bangalore, india. HackerRank for Work is the leading end-to-end technical recruiting platform for hiring developers. Last update on July 05 2018 13:09:26 (UTC/GMT +8 hours) Java is the foundation for virtually every type of networked application and is the global standard for developing and delivering embedded and mobile applications, games, Web-based content, and enterprise software. The problems are complex DS ALGO or MATHS based problems, most of them would never be asked by any interviewer. Anand has 6 jobs listed on their profile. Sections of this page. Best practices and tips to get you started with HackerEarth's products. This limits the number of splitted strings. The price of a ticket is equal to the number of tickets remaining in that window at that time. View Zeeshan Ali's profile on LinkedIn, the world's largest professional community. Java is primarily known for its stability, cross-platform capabilities, extensive security, static typing, and multi-threading. Join HackerEarth and view Java Techie's full profile. Code in any language you like - C, C++, Java, Python, Go and 32 other Languages supported. If you enter pwd at the prompt, you should see /home/jdoe/java. Name Start time End time Duration. ; You don't have to manually give the input to your program, just take the input from STDIN and the code evaluation engine will provide the input to your program. Input from stdin is handled by the locked stub code in the Solution class. Java, Perl, Python. Xenny was a teacher and his class consisted of N boys and N girls. It provides a linked-list data structure. Kindly check your solution against HackerEarth's compiler before submitting a PR. Write a java program to reverse an array without using an additional array. Active 3 years ago. Make sure the solution(s) is/are in Java language. Problem The Calendar class is an abstract class that provides methods for converting between a specific instant in time and a set of calendar fields such as YEAR, MONTH, DAY_OF_MONTH, HOUR, and so on, and for manipulating the calendar fields, such as getting the date of the next week. Participate in monthly programming challenges, coding competitions, and hackathons. To try and understand the psychology of a problem solver, let us ask a few abstract questions: 1) Why do you like solving problems? 2) What is the biggest challenge HackerEarth is a global hub of 3M+ developers. Algorithms | Programming challenges in December, 2015 on HackerEarth 24 hours, 10 problems and a chance to be the unrivaled programmer. These request logs can be analyzed to mine some highly useful insights as well as metrics critical for the business. Best practices and tips to get you started with HackerEarth's products. HACKEREARTH is also the place where you can come to know about the various hackathons going in and out of the country. Right now we support 4 major tracks - Basic Programming, Algorithms, Data Structures and Maths. ; You don't have to manually give the input to your program, just take the input from STDIN and the code evaluation engine will provide the input to your program. Betsol Java Hiring Challenge | Developer jobs in December, 2015 on HackerEarth Betsol is hiring Java Developers for their team in Bangalore. Anand has 6 jobs listed on their profile. Viewed 119 times 0. Mitali has 8 jobs listed on their profile. The course covers in and outs of Data Structures and Algorithms in Java. Our 1000+ Java questions and answers focuses on all areas of Java subject covering 100+ topics in Java. Trick is to Pre-process the following DP matrix DP[i][j] : which denotes number of ways to get sum ' j ', using ' i ' digits Then calculate number of such Valid numbers with given sum f. Salaries posted anonymously by HackerEarth employees. public static void main(String args[] ) throws ExceptionTestClass obj = new TestClass(); TestCaseDataSupplier data = reader();. View profile View profile badges Get a job like Arbaz’s. Got a question for us? Please mention it in the comments section of this “Java Tutorial” blog and we will get back to you as soon as possible. First it was named as Oak in 1991 , but later changed to java in 1995. Being a startup, one has to put in the hard yards, so if you're looking for a comfy, cushy job, then this is not the place for you. class files. sort() method is present in java. Technical Evangelist at HackerEarth Greater New York City Area Computer Software. Problem Statement: https://www. on the brite site you're following the Java Naming Conventions. 2) was introduced, the standard methods for grouping Java objects (or collections) were Arrays or Vectors or Hashtables. Kindly check your solution against HackerEarth's compiler before submitting a PR. time that offers greatly improved safety and functionality for developers. Xenny was a teacher and his class consisted of N boys and N girls. "Companies can curate a test online and administer it to a pool of prospective candidates. A PHP SDK To Run And Compile Codes Using Hackerearth's API V3. 10 lakhs per year as shared by 1 Community Manager from HackerEarth. It provides a linked-list data structure. Apply to 65 Walmart Jobs in Bangalore on Naukri. social-hackerearth 0 points 1 point 2 points 2 years ago I suppose there is a misunderstanding of competitive programming here. These questions are evaluated automatically as the selected option is compared against an existing answer key. Engagement and Demand Generation Specialist at HackerEarth. HackerEarth is an online assessment platform that puts the candidates’ coding skills to test and grades their skillsets in 12 programming languages including C, C++, Java , Python, and Ruby. First it was named as Oak in 1991 , but later changed to java in 1995. Vivek tem 8 empregos no perfil. Online Java Compiler, Online Java Editor, Online Java IDE, Java Coding Online, Practice Java Online, Execute Java Online, Compile Java Online, Run Java Online, Online Java Interpreter, Compile and Execute Java Online (JDK 1. HackerEarth Club Cummins shared a photo. Java provides a Stack class which models the Stack data structure. This repository contains solutions of hackerearth. Solution in Java. Java provides the Date class available in java. Java, Perl, Python. This library helps you to compile and run your code with HackerEarth API v3. See the complete profile on LinkedIn and discover Neeva’s connections and jobs at similar companies. View Zeeshan Ali’s profile on LinkedIn, the world's largest professional community. You input the number of string and the strings and then the program checks if all the letters in the. Contribute to HackerEarth/he-sdk-java development by creating an account on GitHub. Apply to 65 Walmart Jobs in Bangalore on Naukri. 29,992 open jobs. All input to the programming solution is to STDIN and output is to STDOUT. In addition to the basic push and pop operations, the class provides three more functions of empty, search and peek. See the complete profile on LinkedIn and discover Paver's connections and jobs at similar companies. HackerEarth is a global hub of 3M+ developers. Java LinkedList class maintains insertion order. The course walks you through multiple Java algorithms, data structures problems and their solutions with step by step visualizations, so that you are actually learning instead of blindly memorizing solutions. See the complete profile on LinkedIn and discover Paver’s connections and jobs at similar companies. Hackerearth_Solutions. See the complete profile on LinkedIn and discover Sachin’s connections and jobs at similar companies. For example, no. Sections of this page. The new API models the domain well, with a good selection of classes for modeling a wide variety of developer use cases. We help companies accurately assess, interview, and hire top developers for a myriad of roles. HackerEarth's web servers handle millions of requests every day. My solutions for hacker earth problems. Nothing unexpected. "Not for the faint hearted". Our 1000+ Java questions and answers focuses on all areas of Java subject covering 100+ topics in Java. HackerEarth is a global hub of 3M+ developers. If you enter ls at the prompt, you should see your. Explore General Electric Openings in your desired locations Now!. AmbitionBox | Reviews Salaries Interviews Salary Calculator Practice Tests. Senior Software Engineer at HackerEarth. Engagement and Demand Generation Specialist at HackerEarth. You nave a variable noOfElements but it does not contain a number. Got a question for us? Please mention it in the comments section of this “Java Tutorial” blog and we will get back to you as soon as possible. Join over 5 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. Some recently asked HackerEarth Software Developer interview questions were, "Basic HR questions. For example, no. hackerearth. View Sabrina Tshering’s profile on LinkedIn, the world's largest professional community. sort() method is present in java. In other words, prime numbers can't be divided by other numbers than itself or 1. Skilled in Python, Java. Problem The Calendar class is an abstract class that provides methods for converting between a specific instant in time and a set of calendar fields such as YEAR, MONTH, DAY_OF_MONTH, HOUR, and so on, and for manipulating the calendar fields, such as getting the date of the next week. Science jobs in Salem. 1-3 years of experience in software development 2. Know detailed salary breakdown, salary reviews and compare salary with similar companies. com, India's No. The class can also. 461 open jobs. Fenwick Tree HackerEarth. core java,struts,ajax,jsp,servlets,jquery,java programing blog, java awt, swt, gwt spring, hibernate,java client student Project, source code. It inherits the AbstractList class and implements List and Deque interfaces. Nothing unexpected. Got a question for us? Please mention it in the comments section of this "Java Tutorial" blog and we will get back to you as soon as possible. Paver has 2 jobs listed on their profile. Register now to compete with top developers worldwide, and win exciting prizes! Programming challenges, coding competitions, and hackathons | HackerEarth. Celebrating Women Who Code. To enable these operations in your Java Project question, follow these steps: Log in to HackerEarth recruit by using your admin credentials. In addition to the basic push and pop operations, the class provides three more functions of empty, search and peek. Java program to display prime numbers from 1 to 100 and 1 to n By Chaitanya Singh | Filed Under: Java Examples The number which is only divisible by itself and 1 is known as prime number. Now start swapping the array element. 1-3 years of experience in software development 2. View Paver Mathew's profile on LinkedIn, the world's largest professional community. Java is Object Oriented. Problem The Calendar class is an abstract class that provides methods for converting between a specific instant in time and a set of calendar fields such as YEAR, MONTH, DAY_OF_MONTH, HOUR, and so on, and for manipulating the calendar fields, such as getting the date of the next week. See the complete profile on LinkedIn and discover Anand’s connections and jobs at similar companies. Sections of this page. We help companies accurately assess, interview, and hire top developers for a myriad of roles. Parts of a Java Project question Problem statement A problem statement is a short description of the problem for which you should provide a solution or an answer. To see if this is necessary, try clobbering the classpath with the following command. Following is the class hierarchy of Stack in Java - The Stack class extends Vector which implements the List interface. Collections class. See the complete profile on LinkedIn and discover Zeeshan's. JavaScript and Java are completely different languages, both in concept and design. It is used to sort the elements present in the specified list of Collection in ascending order. You will be presented Multiple Choice Questions (MCQs) based on Core Java Concepts , where you will be given four options. Hackerearth_Solutions. See the complete profile on LinkedIn and discover Mitali’s connections and jobs at similar companies. Problem:- Create a mini Hospital Management System projects in Java with source code and download a report PDF free. The journey of HackerEarth had its humble beginning in the dorms of IIT Roorkee at the start of 2012. We help companies accurately assess, interview, and hire top developers for a myriad of roles. Input from stdin is handled by the locked stub code in the Solution class. Currently handling end-to-end sales processes including Customer Success for Enterprise Accounts from USA, LATAM, Canada & Europe by helping them innovate and find the right solution for their needs. HackerEarth Thapar University. HackerEarth, a startup out of the GSF India accelerator, is looking […] HackerEarth Screens Developer Candidates For Startups Through Programming Challenges Kim-Mai Cutler 6 years. sdk list java sdk install java 8u152-zulu sdk use java 8u152-zulu Then doing a clean install as described below. Excellent knowledge of data structures, algorithms, and maths. HackerEarth is an online assessment platform that puts the candidates’ coding skills to test and grades their skillsets in 12 programming languages including C, C++, Java , Python, and Ruby. HackerRank for Work is the leading end-to-end technical recruiting platform for hiring developers. Some recently asked HackerEarth Software Developer interview questions were, "Basic HR questions. Problem Your program is to use the brute-force approach in order to find the Answer to Life, the Universe, and Everything. James Gosling, Mike Sheridan, and Patrick Naughton initiated the Java HackerEarth is a global hub of 3M+ developers. Printing task usually consists of two parts: Job control — Creating a print job, associating it with a printer, specifying the number of copies, and user print dialog interaction. com, HackerEarth, All Events in City. Apply to 65 Walmart Jobs in Bangalore on Naukri. If you want to submit the solution in any other language then, add a folder to the root of the repo like JavaScript and then add the solutions inside that folder. A data structure is a particular way of storing and organizing data in a computer so that it can be used efficiently. We use cookies to ensure you have the best browsing experience on our website. njmjnujnhbujhnbjhb. Online Java Compiler, Online Java Editor, Online Java IDE, Java Coding Online, Practice Java Online, Execute Java Online, Compile Java Online, Run Java Online, Online Java Interpreter, Compile and Execute Java Online (JDK 1. Some general-purpose references are provided, along with some source code. The price of a ticket is equal to the number of tickets remaining in that window at that time. I interviewed at HackerEarth (Bengaluru) in December 2018. Know detailed salary breakdown, salary reviews and compare salary with similar companies. Printing task usually consists of two parts: Job control — Creating a print job, associating it with a printer, specifying the number of copies, and user print dialog interaction. Currently handling end-to-end sales processes including Customer Success for Enterprise Accounts from USA, LATAM, Canada & Europe by helping them innovate and find the right solution for their needs. We help companies accurately assess, interview, and hire top developers for a myriad of roles. In summary: Input: First line of the input contains a string S. Java Programming questions and answers with explanation for interview, competitive examination and entrance test. com Anagrams | Basics of Input/Output & Basic Programming Practice Problems Given two strings, a and b , that may or may not be of the same length, determine the minimum number of character deletions required to make a and b. Java provides a Stack class which models the Stack data structure. The first round was a competition held at hacker earth. Join over 5 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. HackerEarth, a startup out of the GSF India accelerator, is looking […] HackerEarth Screens Developer Candidates For Startups Through Programming Challenges Kim-Mai Cutler 6 years. Explore Walmart job openings in Bangalore Now!. JavaScript and Java are completely different languages, both in concept and design. Discuss, practice, practice, practice and perfect your Coding skills. Ans: Even though automatic garbage collection is provided by Java, it doesn't ensure that a Java program will not go out of memory as there is a possibility that creation of Java objects is being done at a faster pace compared to garbage collection resulting in filling of all the available memory resources. 15,599 open jobs. India Top Startups - Freshdesk, Olacabs, Pepperfry CODES The top startups for India in Startup Ranking featuring startups/companies like Freshdesk, Olacabs, Pepperfry, Mysmartprice, BankBazaar. Here are most commonly used examples −. Q&A for Work. Java program to sum the elements of an array By Chaitanya Singh | Filed Under: Java Examples In this tutorial we will see how to sum up all the elements of an array. See the complete profile on LinkedIn and discover MOHAMMED’S connections and jobs at similar companies. Java String - Programming Examples - Learn how to play with strings in Java programming. These data structures consist of the following. Well know with. The recruiter who spoke to me and processed my resume was good , But the interview was pathetic, The interviewer dont know how to behave , Moved out in the middle of answering questions and asked me to continue in a rude way. Problem Your program is to use the brute-force approach in order to find the Answer to Life, the Universe, and Everything. For example, if {12, 9, 21, 17, 33, 7} is the input array, then your program should return {7, 33, 17, 21, 9, 12} as output. time that offers greatly improved safety and functionality for developers. I had the similar question before and at that time, I found it extremely hard to come up with the right approach. class files. Map) are the two main “root” interfaces of Java collection classes. Software developer skilled in Python, Django, Flask, Java, and JavaScript. Problem Your program is to use the brute-force approach in order to find the Answer to Life, the Universe, and Everything. Write a java program to reverse an array without using an additional array. These websites are not designed to prepare you forgetting jobs. Welcome to the world of Java examples, organized by categories and Java packages. Java project questions allow you to test a candidate’s hands-on programming skill as against testing only the algorithmic coding knowledge. Collections. Learn how to integrate your preferred Applicant Tracking System (ATS) with your HackerEarth Recruit account. View profile View profile badges Get a job like Arbaz’s. We help companies accurately assess, interview, and hire top developers for a myriad of roles. HackerRank for Work is the leading end-to-end technical recruiting platform for hiring developers. In this video i will show you a way to solve the complete string problem from hackerearth. com, India's No. You will be warned in the following scenarios: Editing code snippets of a question that they are using from the HackerEarth library; Generating the code snippet after the test has started; Using a language that is not supported for code-snippet generation. MOHAMMED has 1 job listed on their profile. HackerEarth is a product company that provides technical recruitment solutions for talent sourcing and skill assessment. Fenwick Tree HackerEarth. These questions are evaluated automatically as the selected option is compared against an existing answer key. Today, HackerEarth has 1000+ customers, including leading Fortune 500 companies from around the world. View Poreddy Somasekhar’s profile on LinkedIn, the world's largest professional community. AmbitionBox has 8 HackerEarth reviews submitted by HackerEarth employees. Kindly check your solution against HackerEarth's compiler before submitting a PR. Code in any language you like - C, C++, Java, Python, Go and 32 other Languages supported. In the Project section, click Edit. View Anand Hariharan's profile on LinkedIn, the world's largest professional community. Java is an object-oriented programming language created in 1995 by James Gosling, which means that it represents concepts as "objects" with "fields" (which are attributes that describe the object). HackerEarth helps connect smart programmers and great companies. Know detailed salary breakdown, salary reviews and compare salary with similar companies. I have the Fenwick Tree Java. Hackerearth_Solutions. You may find the problem description here Problem : You are lost in a dense jungle and it is getting dark. sdk list java sdk install java 8u152-zulu sdk use java 8u152-zulu Then doing a clean install as described below. Science jobs in Salem. Java is Object Oriented. Java programming works through a robust system which removes certain types of programming errors, and is easy-to-learn and use. View Zeeshan Ali's profile on LinkedIn, the world's largest professional community. Java program to sum the elements of an array By Chaitanya Singh | Filed Under: Java Examples In this tutorial we will see how to sum up all the elements of an array. HackerEarth won the India regional competition for Seedstars, which had over 50 finalists. Java examples (Java sample source code) help to understand functionality of various Java classes and methods as well as various programming techniques in a simple way, which is otherwise very hard to learn by reading tutorials or Java API. HackerEarth is a global hub of 3M+ developers. It inherits the AbstractList class and implements List and Deque interfaces. This class provides the functionality of a cryptographic cipher for encryption and decryption. Excellent profile on some of the online judges (HackerEarth, HackerRank, Codeforces, Codechef, SPOJ etc. Last update on July 05 2018 13:09:26 (UTC/GMT +8 hours) Java is the foundation for virtually every type of networked application and is the global standard for developing and delivering embedded and mobile applications, games, Web-based content, and enterprise software. GitHub Gist: instantly share code, notes, and snippets. This video breezes you past your first problem, guiding you on the requirements and. More precisely rewrite small numbers from input to output. Java SDK for HackerEarth API. A Vector is a re-sizable collection. Starting with Competitive Programming and solving your first problem is a nightmare for a good load of people. View Aditya Garg’s profile on LinkedIn, the world's largest professional community. Multiple choice questions comprise a problem statement and multiple answer choices, one or more of which may be the right answer. Register now to compete with top developers worldwide, and win exciting prizes! Programming challenges, coding competitions, and hackathons | HackerEarth. Problem:- Create a mini Hospital Management System projects in Java with source code and download a report PDF free. Starting with Competitive Programming and solving your first problem is a nightmare for a good load of people. JavaScript was invented by Brendan Eich in 1995, and became an ECMA standard in 1997. We help companies accurately assess, interview, and hire top developers for a myriad of roles. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples. You may find the problem description here Problem : You are lost in a dense jungle and it is getting dark. But you will not feel the pressure of work as there is always someone sitting beside working super hard with a smile on the face. HackerEarth is a global hub of 3M+ developers. In this video i will show you a way to solve the complete string problem from hackerearth. The HackerEarth API allows developers to compile and run computer code in multiple languages, including C, C++, C++11, Clojure, C#, Java, JavaScript, Haskell, Perl, PHP, Python, and Ruby. Java Programming questions and answers with explanation for interview, competitive examination and entrance test. The Collection interface (java. View Sabrina Tshering’s profile on LinkedIn, the world's largest professional community. Register now to compete with top developers worldwide, and win exciting prizes! Programming challenges, coding competitions, and hackathons | HackerEarth.