How to show open database connections in MySQL
How to show open database connections in MySQL using show status
and show processlist
command.
Abstract keyword in Java
The abstract keyword is used in Java for abstraction. The abstraction is the process of selecting data and displaying only the relevant details to the object. If helps to reduce the programing complexity and the efort.
All keywords in Java
Keywords are special words in the programing language which have reserved use in the language. Keywords may not be used as identifiers in Java; for example you cannot declare a field whose name is a keyword.
How to use JSON Object in JavaScript
JSON is part of JavaScript programming language and is the main choise when it comes to data manipulation in JavaScript.
JSON is used from storing data, transfering data between client and server to configuring data.
Java Custom Annotations Example
How to create Java Custom Annotation. A simple example of creating Annotations in Java and usage by calling the Reflection API.
How to execute shell command from Java
How to execute a shell command from Java using Runtime.getRuntime().exec()
method.