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Core Java
A Deep Dive into Sealed Classes and Interfaces
Java’s introduction of sealed classes and interfaces marked a significant step towards enhancing type safety and code predictability. These language…
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Core Java
Flux vs Mono: Choosing the Right Reactive Stream in Java
Reactive programming has emerged as a powerful paradigm for building scalable and responsive applications. At the heart of this paradigm…
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Enterprise Java
Implementing an Elasticsearch Aggregation Query in Java
Elasticsearch is a distributed search engine that is designed for scalability, flexibility, and high performance. It allows us to store,…
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Core Java
hasItems() vs. contains() vs. containsInAnyOrder() in Hamcrest
Hamcrest is a popular framework for writing matcher objects, allowing for more readable and flexible unit tests. Among its many…
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Python
Python Booleans: Hidden Gems I Wish I Knew Sooner
Booleans might seem simple – just True or False – but they’re the backbone of decision-making in Python. They control…
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Core Java
Optimizing Data Filtering with Java 8 Predicates
Java 8 introduced a powerful functional interface called Predicate that revolutionized data filtering. By providing a concise and expressive way…
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Core Java
Solve UnsupportedTemporalTypeException Unsupported Field InstantSeconds
When working with Java’s date and time API, you may encounter the UnsupportedTemporalTypeException with the message Unsupported field: InstantSeconds. Let…
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