System.out.println("emptyTextWithSpace isBlank result: " + emptyTextWithSpace.isBlank()); //true } Output lines() Method Thelines()method returns a stream of lines extracted from the given string, separated by line terminators. In the example below, the text contains ‘\n’ new line chara...
The first mention among the latest Java 11 features with examples is type inference for lambda parameters. Now, you can choose to specify types of lambda parameters or omitting them when writing a lambda expression. The example can be shown as follows. Function<String, String> append = string...
When you create a local variable and assign it an instance of the Child class, the type of the variable is inferred as Child. This looks simple. The following is an example: class Parent { void whistle() { System.out.println("Parent-Whistle"); } } class Child extends Parent { void ...
Now let’s discuss some of the key features of all the latest versions of Java starting from JDK 8 till JDK 11. So, I will give a brief overview of all the main features of all the JDKs versions but the detail technical explanation of each features with programmatically explanation will ...
java.lang.Object javax.xml.catalog.CatalogFeatures public classCatalogFeaturesextendsObject CatalogFeatures包含一组功能和属性。Catalog Features Feature Description Property Name System Property [1] jaxp.properties [1] Value [2] Action Type Value FILES A semicolon-delimited list of URIs to locate the ...
Starting with Java 13, theZGC now returns uncommitted memory to the operating system by default, up until the specified minimum heap size is reached. If we do not want to use this feature, we can go back to the Java 11 way by:
Java 8 added the notion of default methods to interfaces with, as the name implies, default method bodies defined in the interface. This allowed for backwards-compatible changes. My favorite example of that isList.forEach(). It’s actuallyIterable.forEach(), but that’s the...
To summarize, Java 8 is reaching EOL and it is time to move on to the next LTS version of Java, that is Java 11. With Java 11, Oracle JDK is being released with a commercial license and will not be available for free use. There are OpenJDK builds released by other providers, that...
Java 11 and 12 – New Features About Packt Why subscribe? Packt.com Contributors About the author About the reviewer Packt is searching for authors like you Preface Who this book is for What this book covers To get the most out of this book Download the example code files Download the colo...
With definitions out of the way, here’s a look at some of our favorite features included in the latest Java LTS release. While not all of the JEPs qualify as “hidden gems” (some, like virtual threads, should be quite familiar unless you’ve been developing under a rock) they should...