The flatMap() method in Java Streams is used to flatten nested structures, such as List<List<T>>, into a single stream of elements. map() vs flatMap() Feature
Tag: Streams
The reduce() method in Java Streams is used to perform aggregation operations like summing, finding the minimum or maximum, concatenation, etc. It reduces a stream
Let’s explore some advanced uses of reduce(), including custom objects, parallel processing, and performance considerations. 1. Finding the Longest Word in a List You can
Sorting JSON data using Java Streams is useful when working with API responses, configuration files, or stored data. Let’s break it down step by step.
1. Count the Characters from a String 2. Convert character into lower case 3. Count the unique letters 4. Extract all words starting with a
In Java, the Stream API provides powerful ways to manipulate collections, including Map. Though Map itself is not a direct part of the Stream API,
In Java’s Stream API, the methods IntStream.range() and IntStream.rangeClosed() are used to generate streams of numbers. They differ in whether the upper bound of the
The mapToObj() method in Java Streams is used when you’re working with primitive streams (such as IntStream, LongStream, or DoubleStream) and want to convert the