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Jan 16, 2024 · We’ll talk about interface default and static methods, method reference and Optional. We have already covered some the features of the Java 8 release — stream API, lambda expressions and functional interfaces — as they’re comprehensive topics that deserve a separate look. 2. Interface Default and Static Methods.
- Lambda Expressions. Lambda Expression basically expresses an instance of the functional interface, in other words, you can say it provides a clear and concise way to represent a method of the functional interface using an expression.
- Functional Interfaces. An interface that contains only one abstract method is known as a functional interface, but there is no restriction, you can have n number of default and static methods inside a functional interface.
- Method Reference. Method reference is a shorthand notation of a lambda expression to call a method. There are four types of method references that are as follows
- Streams. Stream API is introduced in Java 8 and is used to process collections of objects with the functional style of coding using the lambda expression.
JDBC 4.2 introduces new features. Java DB. JDK 8 includes Java DB 10.10. Networking. The class java.net.URLPermission has been added. In the class java.net.HttpURLConnection, if a security manager is installed, calls that request to open a connection require permission. Concurrency. Classes and interfaces have been added to the java.util ...
May 7, 2024 · Starting with Java 8, exciting features changed how developers code. From nifty lambda expressions for better functions to the Stream API that made working with data easier, Java 8 was a game-changer.
- forEach() method in Iterable interface. Whenever we need to traverse through a Collection, we need to create an Iterator whose whole purpose is to iterate over, and then we have business logic in a loop for each of the elements in the Collection.
- default and static methods in Interfaces. If you read forEach method details carefully, you will notice that it’s defined in Iterable interface but we know that interfaces can’t have a method body.
- Functional Interfaces and Lambda Expressions. If you notice the above interface code, you will notice @FunctionalInterface annotation. Functional interfaces are a new concept introduced in Java 8.
- Java Stream API for Bulk Data Operations on Collections. A new java.util.stream has been added in Java 8 to perform filter/map/reduce like operations with the collection.
Java 8. Java 8 is a revolutionary release of the world’s #1 development platform. It includes a huge upgrade to the Java programming model and a coordinated evolution of the JVM, Java language, and libraries. Java 8 includes features for productivity, ease of use, improved polyglot programming, security and improved performance.
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Nov 13, 2023 · Understanding Java Versioning – Learn about the key features and improvements introduced in each major Java version. New Features in Java 11 – Discover how Java 11 enhances developer productivity and application performance. Java 8 Official Documentation provides comprehensive information about all the new features in Java.
