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How to Use Java 8 Stream API in Java Projects (Real-World Use Cases)
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The Java 8 Stream API is one of the most powerful features introduced in Java 8. It provides a functional and declarative way to process collections efficiently. Unlike traditional loops, streams enable lazy evaluation, parallel execution, and concise code.
In this guide, we will explore real-world use cases of the Java Stream API with practical examples.
🔹 What is Java Stream API?
A Stream is a sequence of elements supporting aggregate operations like filtering, mapping, and reducing. Streams do not modify the original collection; instead, they create a new transformed version.
✔ Supports functional programming (using lambdas)
✔ Lazy evaluation (processes elements only when needed)
✔ Parallel execution (parallelStream())
✔ Works with Collections, Arrays, Files, and I/O
🔹 Real-World Use Cases of Java Streams
1️⃣ Filtering and Sorting a List (E-Commerce Example)
In an e-commerce application, we may need to filter products by price and sort them by name.
