Java 9 Tutorials
Java Map.of() and Map.ofEntries() Example
The
Map.of
and
Map.ofEntries
are the static factory methods of
java.util.Map
and has been introduced in Java 9.
Java Set.of() Example
The
Set
obtained from
Set.of
is unmodifiable. We cannot add, delete elements to it. We can also not update the reference of object at any index in the unmodifiable
Set
.
Java Immutable List using List.of()
An immutable
List
does not change its state after its construction. We cannot add, update or remove elements in an immutable
List
.
Java 9 Module Example
This page will walk through Java 9 Module Example. A Module is a set of packages designed for reuse. In Java 9, Java programs are Modules. Java Module is the main feature introduced in Java 9 release.
Java Try-With-Resources
This page will walk through Java try-with-resources example. Try-with-resources is a
try
statement that declares one or more resources.
Java 9 Reactive Streams
This page will walk through Java 9 Reactive Streams tutorial. Reactive stream is a specification that provides a standard for asynchronous stream processing with non-blocking backpressure.
Convert Array to List in Java
This page will walk through how to convert array into list using Java. We can achieve it in many ways such as by using
List.of
,
Stream.collect
,
Collections.addAll
and
Arrays.asList
methods.