Streams and lambda expressions are two powerful features introduced in Java 8 that enhance the way developers handle collections of data.

A Stream is essentially a sequence of elements that allows for both sequential and parallel operations. It can process an unlimited amount of data, handling each element as it arrives rather than waiting for all data to be available. This makes Streams particularly useful for real-time data processing. When combined with lambda expressions, they provide a functional approach to data manipulation, allowing for concise and readable code. For example, you can filter, map, and sort data in a streamlined manner using a single line of code ¹.

Lambda expressions, on the other hand, offer a way to implement single-method interfaces with a more concise syntax. They reduce boilerplate code and improve readability. A lambda expression can be as simple as () -> System.out.println("Hello World"), and they are especially useful when working with the Stream API ²⁵. By using lambda expressions, developers can write cleaner and more maintainable code.

If you have more questions about Streams or lambda expressions, feel free to ask!