Java Method Reference Tutorial

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http://youtube.com/watch?v=WihSrbQE_R8

In this Java Method References tutorial, we'll cover the basics of using method references to make your code more readable and concise. Java Method References provide a way to refer to an existing method or constructor as a lambda expression. You can use it to avoid writing boilerplate code for common operations, improving the readability of your code. • In this tutorial, we'll cover the four types of method references in Java and how to use them in your code. We'll also show you how to use method references with functional interfaces, which are interfaces that define a single abstract method. • You will also see the code difference between using a lambda expression and a method reference. • There are four types of method references in Java: • Reference to a static method: this is a reference to a method that is declared as static. For example, you could refer to the Integer.parseInt() method as Integer::parseInt. • Reference to an instance method of an object: this is a reference to a method that is called on an instance of a class. For example, you could refer to the String.length() method as String::length. • Reference to an instance method of a particular object: this is a reference to a method that is called on a specific object. For example, you could refer to the System.out.println() method as System.out::println. • Reference to a constructor: this is a reference to a constructor of a class. For example, you could refer to the ArrayList constructor as ArrayList::new. • Join this channel to get access to premium content and perks 😎 : • / @lemubitacademy • If you enjoyed this video, consider 🔴subscribing to be a part of the Lemubit Academy Network: https://bit.ly/2O2x0H1

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