The State of Pattern Matching in Java 17
Pattern matching is a language feature where you can test for a specific pattern on a character sequence or a data structure.
Java Core
Java Thread Programming (Part 10)
Let's learn about BlockingQueue, one of the essential concurrent collections available in the concurrent package in the JDK.
Equals and Hashcode Implementation Considerations
I always struggled with how to implement equals and hashcode, until I learned about the difference between entities and value objects!
Java Thread Programming (Part 6)
Have you ever wondered what is the purpose of the "wait()", "notify()", "notifyAll()" methods that come with each Java object?
Let’s Use Optional to Fix Method Contracts
Optional is a mystery box, a wrapping paper: it may not contain value. When we specify that in a signature, we assume the box might be …
Java Thread Programming (Part 5)
When a thread acquires a lock object, no other thread will be able to use it. Once a thread unlocks the lock, other threads acquire it …
Java Thread Programming (Part 4)
We need to be very careful when using the "volatile" keyword, and we should use it only where it’s required, and definitely not everywhere.
Java Thread Programming (Part 3)
Tip: We can only ask the Java thread to execute a piece of code, but we cannot guarantee the execution order of multiple threads!
Java Thread Programming (Part 2)
Let's see an example of where we can use Threads. Let's assume we are building a web server that returns the most used words in a website.
Java Thread Programming (Part 1)
To be able to execute a piece of code requires an execution environment. In Java, a thread is an executing environment.