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Java DelayQueue Example

DelayQueue holds elements which can be taken after expiry of the specified delay. The elements to be added to DelayQueue needs to implement Delayed interface.

Java Collections Queue Tutorial

Queue is a collection which holds elements prior to processing. It provides operations to add, remove and examine elements.

Java List Tutorial

List is an ordered collection. It can contain null values and duplicate elements. It allows for accessing elements using their index or position.

Java Set Examples

Java Set is a collections interface and it contains non duplicate elements. Sub interfaces of set are SortedSet and NavigableSet. Implementations of Set are HashSet, EnumSet, LinkedHashSet and TreeSet.

Java Collections

Collections are containers of objects with functionality to add, remove, modify and aggregate objects.

Java Concurrency Fork Join Executor Examples

Fork join executor is similar to other executors provided in Java concurrency frame work in that it runs tasks on worker threads in a thread pool.

Java Concurrency Executors Framework Tutorial

Java executor framework allows separation of thread creation and management from the task or application logic which is executed on the thread.

Java Concurrency Lock and Condition Examples

Java concurrency framework provides external Locks which are similar to intrinsic lock obtained entering synchronized blocks but give flexibility and provide other features.

Java Multithreading and Concurrency

Running programs parallel improves application’s responsiveness. In this tutorial, you can learn how to write Java programs which can run parallel using threads.

Java Asynchronous IO NIO2

Like asynchronous programming used for any other operations, asynchronous IO makes it possible for a program to perform other operations while performing IO operations or execute multiple IO operation concurrently.

Java Memory Mapped Files

A segment of virtual memory containing a part of a file which exists on the disk or other file resource is called memory mapped file.

Java File System Watcher Example

Java NIO API provides framework that allows you to create components which can monitor file system for changes.