Both methods belong to the Optional<T> class and are used to handle optional values in Java. ifPresent() (Java 8) Example: Using ifPresent() Output: If the
Category: Java 8
Learn more about Java 8 Related Debugging Ideas and Interview Questions, This will be helpful for Java Beginners to Experts in Programming manners
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
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
Both map() and flatMap() are used for transformation in Java Streams, but they behave differently when handling nested structures (like Lists of Lists). Feature map()
Java 8, released in March 2014, is one of the most significant versions of Java. It introduced major improvements in functional programming, performance, and API
The sorted() method in Java Streams is used to sort elements of a stream in either natural order or using a custom comparator. Syntax of
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,