How does Optional.ifPresent() differ from Optional.orElse()?,Optional.ifPresent() and Optional.orElse() are two methods in Java's Optional class, designed to handle optional values...

Java Streams | What is the difference between sorted() and distinct() in streams?,For Explanation watch video sorted() The sorted() method is used to sort the elements of a stream....

Reverse String in one line,Yesterday, while scrolling Twitter I stumbled upon this one: 30 seconds of code @30secondsofcode reverseString: Reverses a string. #JavaScript 30secondso...

Java streams and Fibonacci,So, you still struggling trying to understand expressions like this in Java 8+: Stream.iterate(new long[]{ 0L, 1L }, p->new long[]{ p[1], p[0]+p[1] })...

Java 8 Streams.,I prepared every thing you need know about Java 8 Streams . Examples; I prepared with source code in Github. You can click link below to get more. https://bit.ly/36...

Check if an item is contained in a stream,I recently tried to filter trough a stream to check if a specific item was present. My first approach was the following: return customers ...

Effective Java! Use Caution When Making Streams Parallel, Effective Java Review (90 Part Series) 1 Effective Java Tuesday! Let's Consider Static Factory Methods 2 Effective Java Tu...

Effective Java! Prefer Collection To Stream as a Return Type, Effective Java Review (90 Part Series) 1 Effective Java Tuesday! Let's Consider Static Factory Methods 2 Effective Jav...

Effective Java! Prefer Side-Effect-Free Functions in Streams, Effective Java Review (90 Part Series) 1 Effective Java Tuesday! Let's Consider Static Factory Methods 2 Effective Jav...

Effective Java! Use Stream Judiciously, Effective Java Review (90 Part Series) 1 Effective Java Tuesday! Let's Consider Static Factory Methods 2 Effective Java Tuesday! The Builder...

Java Streams operate on the whole set,Streams can help us do a lot of processing that we would traditionally do using Collections. However, there are some crucial differences betwe...

Java Streams flatMap Demo,The below example shows how we can use flatMap() to get the unique combination of two integers for all integers up to n. For n=3, this would be (1, 1) (1,...