features in java 8

New Features of Java 8 and new features of Java 8 1. Interface Improvement A. Static methods can be defined in the interface B. More importantly, the method in the interface can be modified with default to add the method body. 2.

New Features of Java 8: Default interface methods and static interface methods, new features of Java 8Interface Definition The function of an interface is to define the functions required by an instance of this type, that is, the tasks that must be executed, and you do not n

. Functional Interface Instances1.Predicate PackageJava8.cainiao;Importjava.util.Arrays;Importjava.util.List;Importjava.util.function.Predicate; Public classPredicatetest { Public Static voidMain (String args[]) {List); //predicate//N is a test method that passes a parameter to the predicate interface//N If present, the test method returns TrueSystem.out.println ("Output All data:"); //Pass parameter nEval (list, n->true); //predicate//N is a test method that passes a parameter to the p

, with the following example:Cars.foreach (Car::collide);3. Method reference for any object of a particular class: its syntax is the Class::method instance as follows:Cars.foreach (Car::repair);4. method Reference for a particular object: its syntax is the Instance::method instance as follows:Final Car police = car.create (car::new ); Cars.foreach (police::follow);Method Reference InstanceEnter the following code in the Java8tester3.java file: Packag

Java 8 new features with Example Https://www.youtube.com/playlist?list=PLsyeobzWxl7qbvNnJKjYbkTLn2w3eRy1Q One, you can write the method body in the interface When you add a new method to an interface, you can bring the method body. The benefits: When a new interface is published, the classes that previously implemented the interface do not need to be cha

New Features of Java 8-New Features of languages 1. Lambda expressions and functional interfacesIt allows us to pass functions as parameters to a method, or treat code as data processing: function developers are very familiar with these concepts. Many languages on the JVM platform (Groovy, Scala, and so on) Support Lam

Java 8 new features-5 built-in functional interfaces, new features-5 In the previous blog Lambda expressions, I mentioned functional interfaces provided by Java 8. In this article, we will introduce the four most basic functional

Java 8 new features-4 method reference, new features-4 ForReferenceIn general, we use the object, and the characteristics of object reference are:Different referenced objects can operate on the same content.! Java 8 method referen

8.Test Results sort of now only 20% faster Filtration is now only 20% faster. The group is now 15% full. Higher scale and competitive levels are likely to further reduce these figures. The reason is that adding threads in a multithreaded environment does not necessarily help you increase computational efficiency, but the number of CPUs in a computer determines the computational efficiency, not the number of threads.ConclusionWhi

I am proud to be a member of ADOPT-OPENJDK, like other professional team members, but I just joined for 8 months, we went through the Java SE 8 development, compilation, coding, discussion ... Wait until the JDK is online. Java SE 8 was released on March 18, 2014 and is now

Java 9 is coming soon. How much do you know about the ten new features of Java 8 ?, Java9java8 Java 9 is expected to be released in September. We will wait and see if it will be a milestone version. Today, let's review the ten new featur