Rafael del Nero @RafaDelNero Twitter profile

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Rafael del Nero

3 years

I am very excited to announce that the first #JavaChallengers book version is released! There are more than 70 Java Code Challenges to help improve your #Java skills! #JavaChallengers You can get the book right away:

Java Challengers

Java Challengers, Java Challenges, Java certification, Object-Oriented Programming, Collections, Exception, Java, Streams, Optional, Java 17, Lambda.

leanpub.com

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Rafael del Nero

@RafaDelNero

8 months

To be an incredible #Java developer, we must go beyond #Java . We need to know how to build scalable systems. In this New Article, learn the fundamentals of #cache ! Also, we need to pass the #SystemsDesignInterview . 🤣 Learn more about #cache here:

Mastering the Fundamentals of Cache for Systems Design Interview

Mastering the fundamentals of cache will be crucial for your success in the systems design interview. Learn the fundamentals of cache here!

javachallengers.com

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Rafael del Nero

@RafaDelNero

2 years

A must-follow list for @Java developers: @errcraft @GeertjanW @BrianGoetz @venkat_s @brjavaman @adambien @javinpaul @baeldung @arungupta @brunoborges @myfear @joshbloch @starbuxman @jessitron @mariofusco @mreinhold @unclebobmartin @KentBeck @javarevisited

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Rafael del Nero

@RafaDelNero

4 years

What are the 11 Mistakes @Java Developers make when Using Exceptions? #JavaChallengers Avoid them by reading this article:

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Rafael del Nero

@RafaDelNero

7 months

Quick #Java tip: Mocking several chained objects on #Junit is a pain. We can mock everything at once as the following: Service service = Mockito.mock(Service.class, Mockito.RETURNS_DEEP_STUBS); when(service.getSomething().getSomethingElse()).thenReturn(mock(AnyClass.class));

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Rafael del Nero

@RafaDelNero

5 years

Improve your @Java skills by watching the new #JavaChallenge of this week about #Streams ! #JavaChallengesVideos Do you know the output from this challenge?

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Rafael del Nero

@RafaDelNero

6 months

For Java developers, mastering streams is essential. Don't miss out on the importance of functions like max and min! Explore the depths of this Java code challenge and level up your skills. #Java #JavaProgramming #CodeChallenge #Streams #TechInsights

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Rafael del Nero

@RafaDelNero

9 months

To become a fantastic #Java developer, we must go beyond Java. We need to master what makes a great software design. Also, we need to pass on Systems Design interviews 😂 . Therefore, master what is Latency and Throughput:

Latency and Throughput for Systems Design Interview

Latency and throughput are essential concepts for the Systems Design interview. Learn more about those concepts in this article.

javachallengers.com

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Rafael del Nero

@RafaDelNero

6 months

Whenever I see a #Java developer working very hard and earning too little, I realize they don't know how to be visible in the market and grow their careers strategically. Become a high-paid #Java developer and take your career to the next level! #java #javacareer #coding

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Rafael del Nero

@RafaDelNero

5 years

The only way to be really good in any skill is by practicing it and understanding deep concepts! #JavaChallengesVideos Watch the new @Java challenge video:

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Rafael del Nero

@RafaDelNero

5 years

Hello @Java developers! Improve your @Java skills and get prepared for @Java certifications! #JavaChallengesVideos Watch the video and improve your @Java skills:

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Rafael del Nero

@RafaDelNero

2 years

Hey #Java developers! What concurrent class do you use the most in your day-to-day work project? Have you ever used Thread, ForkJoinPool, CyclicBarrier, locks, volatile or CompletableFuture? What is the concurrent class you use the most in your day-to-day work?

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Rafael del Nero

@RafaDelNero

4 years

What are the 11 Mistakes Java Developers make when Using Exceptions? #JavaChallengers Check out this article and find out if you making one of those mistakes:

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Rafael del Nero

@RafaDelNero

8 months

Have a deeper understanding about #Java memory management! 🧠 Take this Java Challenge with me about Garbage Collector. Determine how many objects are set for collection post executeAction(). Think you've cracked it? 🔗 #MemoryMastery #javachallengers

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Rafael del Nero

@RafaDelNero

6 years

Amazing news for @Java developers! JDK is moving to #GitHub ! Contribute to the JDK!

Bruno Borges

@brunoborges

6 years

Just found out that #OpenJDK will move to #GitHub . Nice! #Java #CodeOne

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Rafael del Nero

@RafaDelNero

5 years

One of the most powerful ways to make @Java developers write better code is by understanding deeply concepts from the @java language. By taking the #JavaQuizzes you will be mastering core #Java concepts. #JavaDevGym Take the quiz now:

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Rafael del Nero

@RafaDelNero

5 years

Hey @Java developers! Take this #JavaQuiz about the ThreadLocal class and learn how to store data in different Threads. #JavaDevGym Try it out now *The attached image is from the previous quiz*:

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Rafael del Nero

@RafaDelNero

8 months

To be an excellent #Java developer, we must go beyond #Java . We always use hashing with the #hashCode method and load balancers... Learn more about hashing in the following link and be prepared for the #SystemsDesignInterview :

Master the Fundamentals of Hashing and Ace the Systems Design Interview

The fundamental knowledge of the hashing concept will make a big difference to design high quality systems. Click here for more!

javachallengers.com

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Rafael del Nero

@RafaDelNero

2 years

A must-follow list for #Java developers: @errcraft @GeertjanW @BrianGoetz @venkat_s @brjavaman @adambien @javinpaul @baeldung @arungupta @myfear @joshbloch @starbuxman @jessitron @mariofusco @mreinhold @unclebobmartin @KentBeck @javarevisited

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Rafael del Nero

@RafaDelNero

5 years

The new @Java quiz is launched! It's with #Lambda ! #JavaDevQuiz Solve it now * Login to participate*:

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Rafael del Nero

@RafaDelNero

5 years

Check the new #JavaChallenge Video explanation about #Interfaces with #Java9 ! #JavaChallengesVideos Improve your @java skills by watching the video:

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Rafael del Nero

@RafaDelNero

1 year

11 Mistakes #Java Developers make when Using #Exceptions :

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Rafael del Nero

@RafaDelNero

5 months

Polymorphism is a fundamental Java concept we use frequently. Even if it's not always obvious, it plays a vital role when working with data structures like ArrayLists. Test it in the Hidden Dracula Polymorphism #JavaChallenge ! #JavaProgramming

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Rafael del Nero

@RafaDelNero

7 months

The process of #serialization is to transform an Object into a Byte stream. Learn about the process of serialization and how it transforms an Object. Take a #JavaChallenger quick test about Serializable Object Java Challenge. 🔗 #Java #Softwareengineer

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Rafael del Nero

@RafaDelNero

4 years

Hi @Java developers! I decided to find out what are your biggest challenges at this moment in your career so I can work on what you can do to solve your problem. Keeping up with tech? Stressful projects? Bad managers? Short deadlines? What is your pain? You can also send me DM!

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Rafael del Nero

@RafaDelNero

2 years

A must-follow list for @Java developers: @errcraft @GeertjanW @BrianGoetz @venkat_s @brjavaman @adambien @javinpaul @baeldung @arungupta @brunoborges @myfear @joshbloch @starbuxman @jessitron @mariofusco @mreinhold @unclebobmartin @KentBeck @javarevisited

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Rafael del Nero

@RafaDelNero

6 months

Learn about the process of serialization and how it transforms an Object. Take a #JavaChallenger quick test about Serializable Object Java Challenge. 🔗 #Java #Softwareengineer #javachallenge #javatest #softwaredeveloper #javachallengers #software

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Rafael del Nero

@RafaDelNero

7 months

In the world of software development, performance is king! 🏁 Say goodbye to memory waste caused by redundant object creation. 🧠💡 Discover how this pattern can be your secret weapon in boosting efficiency and enhancing your Java programming. 📚💻 🔗

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Rafael del Nero

@RafaDelNero

5 months

Refine your Java skills with a focus on 'min' and 'max' functions in our Java Challenge! 🔗 #JavaChallenge #StreamFunctions #JavaSkills #SoftwareDevelopment #Coding

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Rafael del Nero

@RafaDelNero

6 months

Boost your Java skills with the Neo Stream Search Challenge! Explore the mechanics of the Predicate functional interface of a Stream and master key methods for stream processing. Let's get started! #Java #JavaChallenge #NeoStream

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Rafael del Nero

@RafaDelNero

5 months

Refine your Java skills with a focus on 'min' and 'max' functions in our Java Challenge! 🚀 🔗 #JavaChallenge #StreamFunctions #JavaSkills #SoftwareDevelopment #Coding

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Rafael del Nero

@RafaDelNero

6 months

Explore Serialization in Java and Transform Objects! 📦 Test your knowledge with a quick #JavaChallenge on Serializable Object Java Challenge. Take the challenge now! 🔗 #Java #SoftwareEngineer #JavaTest #SoftwareDeveloper #Code #Certification

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Rafael del Nero

@RafaDelNero

5 years

Hi @Java developers! Do you know when to use TreeSet, HashSet, ArrayList and so on? This #JavaChallenger introduces this content! #JavaChallengers Learn how to sort elements of an array easily with @Java :

Java Challengers #33 - Comparable, TreeSet, sort, Collections, List,...

Hi @Java developers! This is the Java Challenger about sorting elements with TreeSet, Collections, sort, compareTo and revert methods.Can you get this JavaCh...

www.youtube.com

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Rafael del Nero

@RafaDelNero

5 years

Hello @Java developers! Did you watch the last #Streams video? Solve this #JavaChallenge ! Try it out and improve your @Java skills:

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Rafael del Nero

@RafaDelNero

5 years

Dramatically improve your @Java skills by taking the weekly #JavaQuizzes and make your code better with that! #JavaDevGym #Serialization Try it out now *The attached image is from the previous quiz*:

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Rafael del Nero

@RafaDelNero

8 months

To be a fantastic #Java developer, it's a fact that we must go beyond #Java . We need to know how to design scalable cloud systems. #LoadBalancer is a crucial component for that. Therefore, master the principle of Microservices in the following article:

Master the Principles of Load Balancer for Systems Design Interview

To create scalable Microservices, we need to use a load balancer. Learn more about it here and get prepared for the Systems Design interview.

javachallengers.com

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Rafael del Nero

@RafaDelNero

5 years

Hi @Java developers! Today is the last day to take this #JavaChallenger ! Can you get it right? #JavaDevGym Go to the link below *The attached image is from the previous quiz*:

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Rafael del Nero

@RafaDelNero

8 months

To be a fantastic #Java developer, knowing how to build #scalable systems is necessary. It's necessary to go beyond #Java . We also need to pass in the #SystemsDesignInterview . Learn the principles of a forward and reverse proxy:

Master the Fundamentals of Proxy for Systems Design Interview

Before using a load balancer, circuit breaker, service discovery, it's crucial to know what is a proxy. Click here for more details.

javachallengers.com

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Rafael del Nero

@RafaDelNero

6 months

Streams are really important for every Java developer to master. 💻 Test your #Java skills with the 'min' and 'max' functions in our #Javachallenge . 🔗 #JavaStreams #software #java #code #CodingChallenge

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Rafael del Nero

@RafaDelNero

6 months

Hey #Java developer! Take your career to the next level by going beyond your technical skills. Learn those key negotiation techniques to boost your salary and take your career to the next level: #javacareer #careergrowth #developer #career

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Rafael del Nero

@RafaDelNero

9 months

In this article, I’ll introduce you to some of the most common threading problems, and show how to solve them. I will discuss different types of threads, how they differ from locking mechanisms and when you should use them. Read more: 👀 #javachallenge

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Rafael del Nero

@RafaDelNero

6 months

Hey #Java Developer! Are you feeling the impostor syndrome, tired of working with outdated technologies, or want to boost your #Java career and spend more time with your family? #codingcareer Get registered in the following link for the LIVE Masterclass:

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Rafael del Nero

@RafaDelNero

1 year

Become a better #Java developer by understanding small differences between lambdas and method references by trying out the following #Java code challenge:

Method Reference VS Lambda Java Challenge

Do you know what are the differences between method references and lambdas In this Java Challenge we will explore how lambdas and method...

javachallengers.com

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Rafael del Nero

@RafaDelNero

5 years

Watch the full explanation from the #Reflections @Java Challenge and fully absorb these concepts! #JavaChallengesVideos Understand the use of #Annotations in @Java :

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Rafael del Nero

@RafaDelNero

4 months

Happy new year #Challengers ! I wish you a lot of #Java and success in your careers!

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Rafael del Nero

@RafaDelNero

3 years

Must-follow for @Java developers:😎 @yanaga @VictorRentea @elderjava @NikhilNanivade @TheDonRaab @virtualJUG @rodrigograciano @jeanneboyarsky @ScottSelikoff @DaschnerS @_tamanm @clementplop @bjschrijver @edburns @heathervc @aalmiray @dblevins @starbuxman @leomrlima

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Rafael del Nero

@RafaDelNero

6 years

Did you know that the String @Java class uses the #Flyweight pattern in the String poll? Once you master #DesignPatterns your code analysis skill improve dramatically. Improve your @Java skills:

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Rafael del Nero

@RafaDelNero

4 months

Unlock stream manipulation and data filtering for more efficient Java code. Master data limitation and filtering with streams. Join the Java Challenge now! #Java #JavaChallenge #LimitStream

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Rafael del Nero

@RafaDelNero

5 years

The new #JavaChallenge explanation is just launched! Now you will be understanding what is the answer from the previous @java quiz by watching this video! #JavaChallengesVideos It's much easier to understand the concepts by watching the video:

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Rafael del Nero

@RafaDelNero

5 years

Hello @Java developers! The new #JavaChallengers about inheritance is launched! Go deep into this concept and learn when to use inheritance or composition! #JavaChallengers Check it out:

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Rafael del Nero

@RafaDelNero

5 years

The only way to master the new features of the @Java language is through consistent practicing. Solve the new #Java quiz about #Optional ! #JavaDevGym Take the #Java quiz now:

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Rafael del Nero

@RafaDelNero

6 months

Unlock the power of parallel streams to optimize your code's performance! Become a #JavaChallenger and take on the Parallel Streams Java Challenge! 💻 🔗 Test your skills: #Java #JavaStreams #ParallelStreams #JavaChallenge

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Rafael del Nero

@RafaDelNero

3 months

Want to learn Java? But with so much to learn, knowing where to focus can be daunting. Join us as we learn the essential topics every aspiring software engineer should prioritize for a solid foundation. 📚 🔗: #Java #SoftwareEngineering #LearnJava

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Rafael del Nero

@RafaDelNero

2 years

#Optional in #Java will help you to avoid #NullPointerException . Learn more about #Optional by solving the following #Java code challenge:

Optional takeWhile dropWhile Challenge

The Optional concept is present in many other programming languages. The main goal of the Optional class is to avoid NullPointerException...

javachallengers.com

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Rafael del Nero

@RafaDelNero

2 years

Learning how to work effectively with microservices is a big challenge. The complexity goes up high. Therefore, I gathered the technologies you should know what they do to get around with Microservices:

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Rafael del Nero

@RafaDelNero

2 years

Hey #Java developers! I am writing the #Streams chapter on the #JavaChallengers book. And, I would like to add real-world examples in this chapter. Therefore, can you share the #Streams code you mostly use in your day-to-day work?

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Rafael del Nero

@RafaDelNero

3 years

Happy new year @Java developers! I wish all the best for you!

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Rafael del Nero

@RafaDelNero

7 years

Get your FREE e-book now! No Bugs, No Stress - Create a Life Changing Software @soujava #DoYourBest #NoBugsProject

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Rafael del Nero

@RafaDelNero

6 months

Improve your Java skills with the Simpson Equals HashCode Challenge! Master the vital equals and hashCode methods essential for object comparison in Java. Elevate your understanding! #Java #JavaChallenge #Simpson

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Rafael del Nero

@RafaDelNero

6 years

Hi @Java developers! It's been some time there is no #JavaChallenges but this happened for a good reason. The new series #JavaChallengers was launched today in #JavaWorld ! Master the challenges concepts and be a highly skilled @Java developer:

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Rafael del Nero

@RafaDelNero

6 months

Master the power of polymorphism, a fundamental Java concept! Test your knowledge with the Hidden Dracula Polymorphism #JavaChallenge . 💻 🔗 #Polymorphism #JavaSkills #SoftwareDevelopment #SoftwareEngineer

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Rafael del Nero

@RafaDelNero

2 years

Must-follow for @Java developers: @CGuntur @henri_tremblay @rafaelcodes @thodorisbais @eMalaGupta @brunoborges @mgrygles @HillmerCh @vilojona @emilyfhjiang @radcortez @ensode @Sharat_Chander @trisha_gee @techgirl1908 @heinzkabutz @sjmaple @omniprof @saturnism @javinpaul

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Rafael del Nero

@RafaDelNero

5 months

Understanding of Map, equals, and hashcode in Java is crucial for high-quality code that transcends programming languages. Test your skills with the Map equals hashcode #JavaChallenge ! 💻 🔗 #Java #CodingChallenge #SoftwareEngineering

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Rafael del Nero

@RafaDelNero

6 years

New #JavaChallenge ! What is the output? Let's master inner classes! #100DaysOfJava9 #Java #InnerClasses Try it out and improve your @Java skills!

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Rafael del Nero

@RafaDelNero

8 months

Are you using Exceptions right in #Java ? 🐞 Avoid pitfalls and make debugging smoother by sidestepping these 11 common mistakes. Let's write clearer, more efficient code together! 🔗 #JavaBestPractices #ExceptionMastery #Softwaredeveloper #software

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Rafael del Nero

@RafaDelNero

6 years

New #JavaChallenge ! What is the output? Try it out and improve your @Java skills! Concepts are very welcome too! #100DaysOfJava9 #Java #Polymorphism if (youTryTheChallenge) yourJavaSkills++;

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Rafael del Nero

@RafaDelNero

6 years

New #JavaChallenge ! What is the output? Try it out and improve your @Java skills! #100DaysOfJava9 #Java #StaticMethods Concepts are very welcome! if (youTryTheChallenge) yourJavaSkills++;

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Rafael del Nero

@RafaDelNero

8 months

Quarkus is THE game-changer in enterprise #programming .💥 With its supersonic speed and subatomic capabilities, you can whip up ultra-fast Serverless applications like never before! 🚀 Dive into our latest article #Quarkus #MongoDB #Microservices #Java

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Rafael del Nero

@RafaDelNero

3 years

What is the #Java framework/stack/specification you are currently using at the company you work for? Vote and RT this tweet so we can understand better the #Java market. :)

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Jakarta EE / Microprofile

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Rafael del Nero

@RafaDelNero

3 months

🎧 Listening to podcasts is a fantastic way to broaden our horizons and grow. In this article, we'll delve into insightful discussions about Java, mindset, and beyond. Discover more at #Podcasts #Learning #Java #Mindset #Tech

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Rafael del Nero

@RafaDelNero

6 months

Functional interfaces elevate #functions to first-class citizens in #Java , opening new doors for cleaner and more efficient #code . 💻 Understand the nuances of Functional Programming using lambdas and functional interfaces. Read more 🔗

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Rafael del Nero

@RafaDelNero

5 years

Solve the new @Java challenge with #Java9 ! Can you do that? #JavaChallengesVideos Refine your @Java skills:

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Rafael del Nero

@RafaDelNero

2 years

Lambdas are powerful and helps a lot to create concise and clean code. Mastering them is very important so that you can easily make use of them. Try out this #Java code challenge and be a step closer to master lambdas:

Function Calculation Java Challenge

Functional Programming is a very powerful paradigm that in Java, makes code more concise and easier to understand...

javachallengers.com

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Rafael del Nero

@RafaDelNero

7 months

Improve your Java skills with this Neo Stream Search Challenge! Explore important key methods when we work with a stream so that it becomes clear for you what they do. 🔗 #software #java #code #coder #neostreamsearch #stream

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Rafael del Nero

@RafaDelNero

9 months

The functional interface can be used as a first-class citizen function in Java. Learn about Functional Programming with lambdas & functional interfaces and answer this Challenge! #javachallenger #javacertification #software #java #code #lambda

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Rafael del Nero

@RafaDelNero

5 months

Participate in the Asynchronous CompletableFuture San Francisco Java Challenge! 💻 Improve performance with CompletableFuture for asynchronous methods. Dive in here: 🔗 #JavaChallenge #CompletableFuture #AsyncProgramming #SoftwareEngineering

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Rafael del Nero

@RafaDelNero

5 years

Hi @Java developers! The new #JavaQuiz is launched in #OracleDevGym ! It's about Exception, can you get it right? #JavaDevGym Try it out now *The attached image is from the previous quiz*:

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Rafael del Nero

@RafaDelNero

2 years

Must follow for #Java developers: @errcraft @yanaga @VictorRentea @edburns @heinzkabutz @sjmaple @otaviojava @NikhilNanivade @TheDonRaab @jeanneboyarsky @ScottSelikoff @DaschnerS @_tamanm @clementplop @bjschrijver @edburns @heathervc @aalmiray @dblevins @starbuxman

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Rafael del Nero

@RafaDelNero

1 year

[NEW] Big O notation will be asked in the vast majority of coding interviews. If you don't know or want to refresh your knowledge about big O notation, take a look at the following article:

Big (O) Notation Explanation

The Big(O) Notation is a fundamental concept to help us measure the time complexity and space complexity of the algorithm. In other words...

javachallengers.com

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Rafael del Nero

@RafaDelNero

6 months

What happens when we pass an object to a method? Do we manipulate the value or the reference? Take the 'Dragon Warrior Reference Java Challenge'! 🐉 🔗 #javachallengers #javacertification #software #java #code #CodingChallenge

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Rafael del Nero

@RafaDelNero

2 years

Must-follow for @Java developers: @yanaga @VictorRentea @otaviojava @NikhilNanivade @TheDonRaab @jeanneboyarsky @ScottSelikoff @DaschnerS @_tamanm @ixchelruiz @clementplop @bjschrijver @edburns @heathervc @aalmiray @dblevins

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Rafael del Nero

@RafaDelNero

6 years

Test your @Java skills in #JavaDevGym . Mastering them, your coding skills automatically will improve. Check it ou:

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Rafael del Nero

@RafaDelNero

5 years

Do you want to take the @Java certification? The #JavaQuizzes will massively help you to achieve that! #JavaDevGym Take the @Java quiz *The attached image is from the previous quiz*:

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Rafael del Nero

@RafaDelNero

6 months

Level up your Java skills with the Method Interceptor Java Challenge! 🕵️ Learn how to intercept methods for your toolkit. Unleash your potential! 💡👨‍💻 #Java #JavaChallenge #MethodInterceptor

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Rafael del Nero

@RafaDelNero

5 years

Small consistent actions you perform turn out to become stunning results. By taking all the @java quiz I assure you that your @java skills will sky rocket. #JavaDevGym Improve your @java skills by taking the new ranked quiz:

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Rafael del Nero

@RafaDelNero

5 years

Hi @Java developers! The new #JavaChallenger is launched! Find out what are the differences between Error, Exception and RuntimeException! Do you know it? #JavaChallengers See if you can get this challenge right:

Java challengers #36 - Error, RuntimeException, Exception

Learn the difference between Error, Exception, and RuntimeException. Also, find out what happens when a variable is assigned and an Exception is thrown!As pr...

www.youtube.com

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Rafael del Nero

@RafaDelNero

5 months

Understanding the nuances of the equals and hashCode methods is essential in Java. Enhance your Java skills with the Simpson Equals HashCode Challenge! 🔗 #JavaChallenge #HashCode #EqualsMethod #JavaSkills

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Rafael del Nero

@RafaDelNero

6 months

Explore stream manipulation and filtering to make your Java code more efficient. Master limiting and filtering data with streams. Let's dive into this Java Challenge! #Java #JavaChallenge #LimitStream

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Rafael del Nero

@RafaDelNero

4 months

Optimize your Java code with streamlined stream manipulation and precise data filtering. Master the art of limiting and refining data using streams. Challenge yourself with this Java task! 🔗 #JavaChallenge #StreamManipulation #DataFiltering

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Rafael del Nero

@RafaDelNero

3 months

Unraveling Java mysteries! Learn about object references and memory allocation. Dive into the details: #JavaProgramming #MemoryAllocation #LearnToCode

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Rafael del Nero

@RafaDelNero

9 months

Explore the use of a stream in an Optional. Solve this Java Challenge about Soprano ofNullable stream and learn what will happen after the main method is executed: 👀 #Java #Softwareengineer #javachallenge #javatest #softwaredeveloper #javachallengers

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Rafael del Nero

@RafaDelNero

6 months

Use a #Stream to manipulate data from a collection. It's handy and cleaner. Know how to limit to filter data with streams is crucial for you to do something useful with a stream in #Java ! 🚀 Take on the Limit Stream Java Challenge! 🔗 #JavaStreams

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13

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Rafael del Nero

@RafaDelNero

7 months

Be a #JavaChallenger . Can you predict the outcome without running the code? #SwitchCase command can be tricky 🤔 Give it a read and take your best guess. 🔗 #JavaBrainTeaser #SwitchCasePuzzle #javachallengers #software #java #code #CodingChallenge

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Rafael del Nero

@RafaDelNero

6 months

Optimize your Java code using stream manipulation and data filtering. Master the art of stream data limitation and filtering with this Java Challenge! Dive in: 👉 #JavaChallenge #StreamManipulation #EfficientCoding

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Rafael del Nero

@RafaDelNero

4 months

Elevate your code efficiency with Functional Programming! Join our Java Challenge to learn Functional Interfaces, Lambda Expressions, and more. Learn how they open doors to cleaner and more efficient code. 🔗 #Java #FunctionalProgramming #JavaChallenge

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14

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Rafael del Nero

@RafaDelNero

7 months

Optimize performance using streams concurrently with the parallel method. Be a #JavaChallenger ! Answer the Parallel Streams Java Challenge here! 💻 🔗 #javachallengers #software #streams #java #softwareengineer

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12

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Rafael del Nero

@RafaDelNero

5 months

Challenge your expertise with this #JavaChallenge centered around the fundamentals of exceptions! Exception handling is vital for delivering high-quality applications that users love. 🛠️ 🔗 #JavaSkills #ExceptionHandling #SoftwareDevelopment #CodeQuality

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Rafael del Nero

@RafaDelNero

3 years

Must-follow for @Java developers: @CGuntur @henri_tremblay @rafaelcodes @thodorisbais @eMalaGupta @brunoborges @mgrygles @HillmerCh @vilojona @emilyfhjiang @radcortez @ensode @delabassee @trisha_gee @techgirl1908 @heinzkabutz @sjmaple @omniprof @saturnism @javinpaul @1ovthafew

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Rafael del Nero

@RafaDelNero

6 months

Get ready to master Java's functional interfaces, Supplier and Consumer, with the Joker Lambda Challenge! 🚀 Explore lambda behavior, test your skills, and gain valuable knowledge. #Java #JavaChallenge #LambdaLearning #CodeSkills

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Rafael del Nero

@RafaDelNero

5 years

Hi @Java developers! Have you seen the new challenger about #Streams , #filter , #map and #forEach ? Do you know them deeply? #JavaChallengers Try it out then, see if you can get it right:

Java Challengers #39 - stream, filter, map, forEach

Learn how to manipulate a stream with the filter and map methods and iterate it afterward with the forEach method!Go deep into Java by having fun with the Ja...

www.youtube.com

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