Java2023-02-22
J2EE APIs
The Java 2 Platform, Standard Edition (J2SE) SDK is required to run the J2EE SDK and provides core APIs for writing J2EE components, core development tools, and the Java virtual ma
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Perl2023-02-05
The future of Perl
At the 2000 Perl Conference, Jon Orwant made a case for a major new language initiative. This led to a decision to begin work on a redesign of the language, to be called Perl 6. Pr
Read tutorialHibernate2022-12-29
Programmatic configuration in Hibernate
An instance of org.hibernate.cfg.Configuration represents an entire set of mappings of an application's Java types to an SQL database. The org.hibernate.cfg.Configuration is used t
Read tutorialHibernate2022-12-28
Tutorial Using the Java Persistence API (JPA) in Hibernate
Instead of using the Hibernate-specific hibernate.cfg.xml configuration file, JPA, defines a different bootstrap process that uses its own configuration file named persistence.xml.
Read tutorialAjax2022-11-28
A complete sample program in AJAX
Here is a complete AJAX example with a simple HTTP request. Our JavaScript will request an HTML document, test.html, which contains the text "I'm a test." and then we'll alert()Â
Read tutorialJDBC2022-10-12
Getting Started with JDBC
This tutorial helps you to set up a JDBCâ„¢ development environment. This includes the following steps:
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JDBC2022-10-07
JDBC and Tomcat context settings
JDBC (Java Database Connectivity) is a Java API for connecting and interacting with relational databases. Tomcat is a popular web server and servlet container that can also be used
Read tutorialJSP2022-10-06
JSP Tags for SQL to connect to a database
The JSTL, includes a set of JSP tags that allow you to access a database via SQL directly from your JSP pages. The obvious advantage of the JSP tags for SQL is simplicity. It's eas
Read tutorialJ2ME2022-09-16
GUI components and menu based J2ME Applications.
The central abstraction of the MIDP UI is a screen, which is an object that encapsulates device-specific graphics rendering user input. Only one screen can be visible at a time, an
Read tutorialJava2022-09-15
SimpleDateFormat sample program in Java
SimpleDateFormat is a concrete subclass of DateFormat. It allows you to define your own formatting patterns that are used to display date and time information. One of its construct
Read tutorialJava2022-09-15
What is Reflection? - getConstructors(), getFields(), and getMethods()
Reflection is the ability of software to analyze itself. This is provided by the java.lang.reflect package and elements in Class. Reflection is an important capability, needed when
Read tutorialJava2022-09-15
AWT-based applications with a User Interface Window in Java
It is possible to create stand-alone AWT-based applications with a Window. To do this, simply create an instance of the window or windows you need inside main(). For example, the f
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