Foojay Podcast #65: Boost Your Career in 2025!
With the first Foojay podcast of 2025, we want to help you to boost your career!
Rafael del Nero
18 articles
Streams Set Distinct Java Code Quiz
Using Streams and Set Collection Factory methods with Java makes code easier to read and maintain. Take the next Java quiz to learn more.
Exception Chaos Java Code Quiz
Working correctly with exceptions is crucial to a high-quality application that users enjoy using. This quiz reinforces some of the basics.
Arrays and Object Reference Java Challenge Code Quiz
When we pass an object reference to a method, we are changing the object that is in the heap of the memory. Find out more in this challenge!
Parallel Streams Java Code Quiz
Using streams concurrently with the parallel method can optimize performance. However, what about when we depend on the order of execution?
Daemon Thread Java Code Quiz
In your Java applications, do you know if the main Thread is a daemon or not? And do you know what a daemon Thread is?
Function Calculation Java Challenge
The "Function" functional interface is a first-class citizen function, so we can pass a function to a method and declare it as a variable.
Stream Limit Filter Java Challenge
When you learn how to use streams, your Java code will be much better, and knowing how to limit and filter data with streams is crucial!
Neo Stream Search Java Challenge
In this challenge, we explore important key methods when we work with a Java Stream so that it becomes clear for you what they do.
Join The Jedi Lambda Join Java Challenge!
Are you ready for the next Java Challenge? Less introduction, more action, and master Java concepts by having fun!
Soprano ofNullable stream Java Challenge
Since Java 9, you can use Optional with a stream to manipulate values from a List. Check out the latest Java challenge about this!
Method Reference VS Lambda Java Challenge
In this Java Challenge, we will explore how lambdas and method references behave so that you can really understand how they work!
Hidden Dracula Polymorphism Java Challenge
Polymorphism, the ability of an object to take on forms, one of the important Java concepts, decouples responsibilities, adding flexibility.
Asynchronous CompletableFuture Java Challenge
Solving the limitations of the Future interface, we have the CompletableFuture API with methods to build reliable high-performant software.
Take the Type Erasure Generics Java Challenge!
In this challenge, you will see the generic type that will be erased by the compiler and will be replaced by the type we defined at runtime.
The Map, Equals, Hashcode Java Challenge
Understanding deeply how to use a Map, equals, and hashcode in Java will be a massive help for you to create high-quality code!
Optional takeWhile dropWhile Java Challenge
Main goal of the Optional class is to avoid NullPointerException. It’s much easier to deal with null when we use the concept of Optional.
New Book Announcement: "Java Challengers"
Newly released "Java Challenges" book is a way for you to challenge yourself with fun code challenges so you will be a better Java …