Core Java
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Optimizing String Splitting Performance in Java
String manipulation is one of the most common operations in Java, and splitting strings based on delimiters is a frequent…
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Structured Concurrency Patterns in Java
Concurrent programming has long been Java‘s Achilles’ heel. While ExecutorService and Future have served us well, they allow unrestricted patterns…
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GitHub Copilot and AI-Assisted Java Development
The numbers tell a compelling story: over 15 million developers now use GitHub Copilot, representing a 400% increase in just…
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Runtime Method Overriding in an Instantiated Java Object
Method overriding in Java allows a subclass to redefine a method inherited from its superclass. However, there are many real-world…
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How to Split a String into an Int Array in Java
Working with numbers stored as text is a common task in Java applications. Data from files, user input, APIs, or…
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Converting BCD to Decimal in Java
Binary-Coded Decimal (BCD) is a system of representing decimal numbers where each digit (0–9) is encoded using four binary bits.…
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Understanding Java Object Arrays
In Java, everything is derived from the base class Object. The Object[] array is one of the most flexible types…
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Sequenced Collections API: Standardizing Ordered Access
For decades, Java’s Collections Framework had a glaring inconsistency. Want the first element of a List? Call list.get(0). First element…
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VMLens for Java Concurrency Testing
Writing unit tests for single-threaded code is standard practice. For concurrent, multi-threaded Java the same discipline wasn’t easy historically because…
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