Java 8 Features with Examples was released on 18th March 2014. That’s a long time ago but still many projects are running on Java 8. It’s because it was a major release with a lot of new features. Let’s look at all the exciting and major features of Java 8 with example code. ...
Java 8 has introduced forEach method injava.lang.Iterableinterface so that while writing code we focus on business logic. The forEach method takes java.util.function.Consumer object as an argument, so it helps in having our business logic at a separate location that we can reuse. Let’s se...
This blog walks you through various features of Java 8 with lucid examples which will be helpful for beginners as well as experienced developers
接口里的static method (静态方法),可以通过接口名来调用,但是不能被重写。 Java 8在集合API里重度使用了default和static方法。 函数性接口和Lambda表达式 函数性接口是Java 8中引入的新概念:一个只有一个抽象方法的接口,被称为函数性接口。我们并不需要显示使用@FunctionalInterface 注解来声明一个接口成为函数性接口。
Java 8was released in early 2014. This tutorial list down importantJava 8 featureswith examples such as lambda expressions, Java streams, functional interfaces, default methods and date-time API changes. 1. Lambda Expressions Lambda expressionsare known to many of us who have worked on other popu...
4. Working withOptional Below are a few examples of how Optional should be created and used in the application code. 4.1. CreatingOptional There are 3 commonly used ways to create anOptional. UsingOptional.empty()to create empty optional. ...
Stream<String> stringStream = br.lines(); stringStream.forEach(System.out::println); 参考资源 Java 8 Features with Examples 为并发而生的 ConcurrentHashMap(Java 8) 通过实例理解 JDK8 的 CompletableFuture
Java 8 Features Tutorial with examples and topics on functional interface, anonymous class, lambda for list, lambda for comparable, default methods, method reference, java date and time, java nashorn, java optional, stream, filter etc.
The Java 8 Predicate is largely tied to functional programming, but it doesn't have to be. Here are some examples with lambdas to get the most out of the component and reduce the verbosity of your code.
Java 8 – TemporalAdjusters examples Java 8 – Convert Epoch time milliseconds to LocalDate or LocalDateTime Java 8 – Difference between two LocalDate or LocalDateTime Java 8 – How to calculate days between two dates? Java 8 – How to parse date with "dd MMM" (02 Jan), without year?