The Power of Java Stream API

Java 8 introduced the Stream API, and it fundamentally changed how we work with collections. Instead of writing verbose loops…

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Function pointer style in Java

In languages like C and C++, function pointers allow direct reference to a function, enabling callbacks, event handling, and flexible…

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Working with Time Using Java Instant and Long

Working with timestamps in Java usually involves a choice between high-level types (like Instant) and low-level numeric representations (like long…

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Java Flatten 2D array Into 1D Array

Arrays are the most basic data structures in any language. Although we don’t work on them directly in most cases,…

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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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Guide to CompletableFuture join() vs get()

Java’s CompletableFuture is a powerful tool for asynchronous programming, offering various methods to handle and manipulate future tasks. Among these…

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Conversion of InputStream to Stream in Java

In this article, we will explore different approaches for InputStream to Stream conversion in Java. 1. Introduction In Java, InputStream…

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Using Java 8 Optionals: Perform Action Only If All Are Present

Java’s Optional class provides a container object which may or may not contain a non-null value. This is useful for…

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Implement Elvis Operator in Java 8

In Java 8, the Elvis operator (often written as ?: in Groovy and Kotlin) is not available as a built-in…

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