Core Java
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Padovan Sequence Computation Techniques in Java
The Padovan sequence is a fascinating integer sequence with applications in architecture, art, and computer science. Let us delve into…
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Choosing a Random Key from a Java HashMap
In Java, a HashMap is a widely used data structure that stores key-value pairs with constant-time performance for basic operations…
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Handling Abstract Class Mapping in MapStruct
MapStruct is a powerful Java annotation-based code generation framework that simplifies object-to-object mapping. However, when working with abstract classes, direct…
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How to Check JVM Keystore Locations
In Java applications, understanding which keystore the JVM is using is crucial for troubleshooting SSL/TLS issues, debugging certificate problems, or…
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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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