Design Patterns - Mediator Pattern

Mediator Pattern Definition With the mediator pattern communication between objects is encapsulated with a mediator object. Objects no ...

Design Patterns - Iterator Pattern

Iterator Pattern Definition The Iterator design pattern provides a way to access the elements of an aggregate object sequentially with...

Design Patterns - Command Pattern

Command Pattern Definition The Command pattern is used to create objects that represents actions and events in an application. A comman...

Design Patterns - Chain-of-responsibility Pattern

Chain-of-responsibility Pattern The Chain-of-responsibility pattern lets more than one object handle a request without mutual knowledge. ...

Design Patterns - Decorator Pattern

Decorator Pattern Definition The Decorator pattern lets you attach additional responsibilities and modify an instance functionality dyn...

Design Patterns - Composite Pattern

Composite Pattern Definition The Composite pattern helps you to create tree structures of objects without the need to force clients to ...

Design Patterns - Abstract Factory Pattern

Abstract Factory Pattern Definition The Abstract Factory pattern is a creational pattern which is related to the Factory Method pattern...

Design Patterns - Bridge Pattern

Bridge Pattern Definition Decouple an abstraction or interface from its implementation so that the two can vary independently. Bridge m...

Design Patterns - Adapter Pattern

Adapter Pattern Also known as Wrapper. Definition The Adapter pattern is used to translate the interface of one class into another int...

Design Patterns - Prototype Pattern

Prototype Pattern Definition The Prototype pattern is basically the creation of new instances through cloning existing instances. By cr...

Design Patterns - Builder Pattern

Builder Pattern Definition The Builder pattern can be used to ease the construction of a complex object from simple objects. The Builde...

Design Patterns - Factory Pattern

Factory Pattern Definition The Factory pattern provides a way to use an instance as a object factory. The factory can return an instanc...

Design Patterns - Singleton Pattern

Singleton Pattern Definition The Singleton pattern provides the possibility to control the number of instances (mostly one) that are a...

Linux Commands

Change Directory cd Linux Command Change Access Permission chmod Linux Command Accept Linux Command aclocal Linux Command mkdir Create...

Java 8 - Sort Map by Value

In this article we are going to see about Java 8 - How to Sort map by value Example Java8SortMap.java package com.javatutorialcorner.ja...

Java 8 - Sort Map by Key

In this article we are going to see about Java 8 - How to Sort map by Key Example Java8SortMap.java package com.javatutorialcorner.jav...

tail Linux Command

tail tail [options] [files] Print the last 10 lines of each named file (or standard input if - is specified) on standard output. If mo...

Configure network interface - ifconfig Linux command

ifconfig ifconfig [interface] ifconfig [interface address_family parameters addresses] Description TCP/IP command. Assign an address ...

Delete the directories - rmdir Linux command

rmdir rmdir [options] directories Delete the named directories (not the contents). directories are deleted from the parent directory an...

Delete file - rm Linux command

rm rm [options] files Description Delete one or more files. To remove a file, you must have write permission in the directory that co...

Set or display host name - hostname Linux Command

hostname hostname [option] [nameofhost] Description Set or display name of current host system. A privileged user can set the hostnam...

host Linux Command

host host [options] name [server] Description System administration command. Print information about hosts or zones in DNS. Hosts may...

tar Linux Command

tar tar [options] [tarfile] [other-files] Description Copy files to or restore files from an archive medium. If any files are directo...