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Articles tagged with #functional-programming
Some days ago I was exploring the codebase at my current workplace, and I came across something like this: x -> y -> (x.doSomething) I was already familiar with lambda expressions, but this one was completely new to me. I researched this and found o...
Java 8 has introduced many features and the forEach() method is one of them. The forEach() method is a way to iterate over a Collection (for example, a map, a set or a list) or a Stream. The forEach() takes only one parameter, which is a functional i...
If you use Java as your primary programming language, you've come across a NullPointerException at some point in your life. At a very high level, a NullPointerException is a RuntimeException that happens when you try to access a variable, but this va...
The :: operator refers to a method reference. A method reference is a simplified way of writing a lambda expression to call a method. Method references allow you to call a method by its name. The syntax for a method reference is as follows: Object ::...
Streams have been introduced in Java 8, and like lambda expression, they represent an attempt to bring functional programming to Java. What is a stream? A Stream is an interface part of the java.util.stream package. It is a series of objects with sev...
This article will explain the following: What a lambda expression is. External VS Internal iteration. Lambda expression within a functional interface. Benefits of using a lambda expression. What is a lambda expression? Java 8 has introduced man...
