Advanced Java Tutorial: Introduction to Advanced Java
Advanced Java is everything
that goes past Core Java – above all the APIs characterized in Java Enterprise
Edition, incorporates Servlet programming, Web Services, the Persistence API,
and so on. It is a Web and Enterprise application advancement stage which
essentially pursues customer and server design.
Advanced
Java Tutorial: Need for Advance Java
Underneath I have recorded down
a couple of real preferences of Advance Java:
1. Advance Java for example JEE
(Java Enterprise Edition) gives you the library to comprehend the Client-Server
design for Web Application Development which Core Java doesn't bolster.
2. J2EE is stage Independent,
Java Centric condition for creating, building and conveying Web-based
applications on the web. It likewise comprises of a lot of administrations,
APIs, and conventions, which gives the usefulness that is important for
creating multi-layered, electronic applications.
Advanced
Java Tutorial: Introduction to JDBC
This application program
interface gives you a chance to encode the entrance demand explanations, in
Structured Query Language (SQL). They are then passed to the program that deals
with the database. It, for the most part, includes opening an association,
making a SQL Database, executing SQL questions and after that touching base at
the yield.
Advanced
Java Tutorial: JDBC Architecture
The JDBC API underpins both
two-level and three-level handling models for database get to however by and
large.
• Driver Manager is utilized to
deal with a rundown of database drivers. The principal driver that perceives a
certain sub protocol under JDBC will be utilized to set up a database
Connection.
• The driver is an interface
that handles the correspondences with the database server.
• A connection is an interface
that comprises every one of the techniques required to associate with a
database. The association object speaks to correspondence setting, i.e., all
correspondence with the database is through an association object as it were.
Advanced
Java Tutorial: Steps to make JDBC Application
So as to make JDBC Application,
we have to pursue a few stages. How about we see what are they.
1. Import the bundles: You have
to incorporate the bundles containing the JDBC classes required for database
programming.
2. Register the JDBC driver:
Here you need to introduce a driver so you can open a correspondence channel
with the database.
Advanced
Java Tutorial: JDBC Driver Types
JDBC drivers actualize the
characterized interfaces in the JDBC API, for cooperating with your database
server.
1. Send inquiries and update
articulations to the information source.
2. Procedure the outcomes.
Type 1:
JDBC-ODBC Bridge Diver
In Type 1 driver, a JDBC
connect gets to ODBC drivers introduced on every customer machine. Further,
ODBC arranges Data Source Name (DSN) that speaks to the objective database.
Type 2:
JDBC-Native API
In a Type 2 driver, JDBC API
calls are changed over into local C/C++ API calls, which are special to the
database. These drivers are normally given by the database sellers and utilized
in a similar way as the JDBC-ODBC Bridge.
Advanced
Java Tutorial: JDBC Connections
Import JDBC Packages: Add import articulations
to your Java program to import required classes in your Java code.§
Register JDBC Driver: This progression makes
the JVM load the ideal driver usage into memory with the goal that it can
satisfy your JDBC demands. There are 2 ways to deal with register a driver.§
Database URL Formulation: This
is to make an appropriately organized location that focuses to the database to
which you wish to associate. After you've stacked the driver, you can build up
an association utilizing the DriverManager.getConnection () strategy.
Advanced
Java Tutorial: Introduction to Servlets
A servlet is a Java programming
language class that is utilized to expand the capacities of servers that have
applications got to by methods for a solicitation reaction programming
model.
Advanced
Java Tutorial: Java Server Pages
JSP or Java Server Pages is an
innovation that is utilized to make web application simply like Servlet
innovation. It is an expansion to Servlet – as it gives more usefulness than a
servlet, for example.
Advanced
Java Tutorial: JSP Scripting Elements:
The scripting components give
the capacity to embed Java code inside the JSP. There are three sorts of
scripting components:
As portrayed in the above
chart, a JSP page is converted into Servlet by the assistance of JSP
interpreter. And afterward, JSP interpreter is a piece of the web server which
is in charge of making an interpretation of the JSP page into Servlet. From
that point forward, Servlet page is assembled by the compiler and gets changed
over into the class record.
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