Java 8Optional<T>class can help to handle situations where there is a possibility of getting theNPE. It works as a container for the object of typeT. It can return a value of this object if this value is not anull. When the value inside this container isnull, it allows doing some p...
Java Optionalclass introduced inJava 8. As a Java developer, You must have facedNullPointerExceptionat least once.NullPointerExceptionsare a pain but the truth is you can not avoid it but can add certain checks to make sure we are ready for it when it happens. A common (bad) practice i...
As stated above, we did already cover the subject a bit some time ago, however, lambdas alone are not the only game-changer in Java 8. Suppose Java 8 is out and has lambdas. Now you would like to start using lambdas and the most obvious use case for that is to apply a lambda to...
Another significant change introducedJava 8 Streams API, which provides a mechanism for processing a set of data in various ways that can include filtering, transformation, or any other way that may be useful to an application. Streams API in Java 8 supports a different type of iteration where ...
Java 8, 9, 10, 11 and beyond delivering new features to the JDK. JDK 8 had come up with so many new features like lambda expression, functional interface and so on. But post that Java 9 got released in 2017 with a very big change that is the introduction of modularity. Then after ...
Java Time API java.time package in Java 8 will streamline the process of working with time in java. It has some sub-packages java.time.format that provides classes to print and parse dates and times and java.time.zone provides support for time-zones and their rules. The new Time API pre...
Rarely, if ever, has there been a new release of Java that created as much interest as Java 8, which was officially released in early 2014. By far the most talked-about change was the introduction of lambda expressions, although the new release also included a number of other changes, suc...
In the second example, we’ll create two files with “Java 12 Article” and “Java 12 Tutorial” contents. The mismatch method should return 8L as it’s the first different byte: @TestpublicvoidgivenDifferentFiles_thenShouldFindMismatch(){PathfilePath3=Files.createTempFile("file3",".txt");...
Beginning Java 8 Language Features: Lambda Expressions, Inner Classes, Threads, I/O, Collections, and Streams. Expert's voice in Java. Apress. URL https://books.google.es/books?id=TnU\_BAAAQBAJK. Sharan, Beginning Java 8 Language Features: Lambda Expressions, Inner Classes, Threads, I/O...
public class DemoApplication extends Application<DemoConfiguration> { // [...] @Override public void initialize(Bootstrap<HelloWorldConfiguration> bootstrap) { bootstrap.addBundle(new Java8Bundle()); // [...] } } When usingResourceTestRulein unit tests, Java8 providers need to registered to ...