Core Java
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Java 21 Key Encapsulation Mechanism (KEM) API
Secure communication relies on exchanging cryptographic keys safely over untrusted networks. Until Java 21, implementing this in Java required combining…
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How to Set Individual and Multiple Bits in a Java Integer
In Java, bit manipulation is a powerful technique that allows developers to work directly with the binary representation of numbers.…
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Java’s Object Class Explained
In Java, the Object class is the root class of the entire class hierarchy. Every class in Java directly or…
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String to Blob Conversion in Java
Working with BLOB (Binary Large Object) data is common when storing large binary files (e.g., PDFs, images, documents) in relational…
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How to Determine a Sum of Two Squares in Java
A practical guide showing the number theory behind the check, and a clear, well-commented Java implementation that both tests and…
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The Async Divide: Java’s Virtual Threads vs JavaScript’s Event Loop
Picture two completely different philosophies for handling thousands of simultaneous tasks. On one side, Java’s Project Loom introduces virtual threads,…
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Query JPA LocalDateTime Using LocalDate Example
Working with Java’s date and time API can be tricky, especially when your database column uses LocalDateTime but the query…
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How to Scroll a Webpage Using Selenium WebDriver
Scrolling is a common requirement when automating modern web applications, as many pages use long layouts, lazy-loaded content, fixed headers,…
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Automatic Modules: Bridging Legacy and Modular Java
When Java 9 introduced the Java Platform Module System (JPMS) in 2017, it created an immediate problem. Millions of existing…
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