Java Training Center Institute in Sulur
In our MySkill Academy online institution java training center institute in sulur we conduct Java courses from scratch to advanced level . Different categories of skill set minded aspirant students have been learned in our training center , now they were became a programmer and placed in various IT companies as well.
Java Networking in Java Training Center Institute in Sulur
The important protocol in network communication is Transmission Control Protocol / Internet Protocol (TCP/IP). The purpose of any protocol is to establish the set of rules to perform specific activity related to network communication.
JDBC Connectivity in Java Training Center Institute in Sulur
JDBC stands for Java Database Connectivity. JDBC is nothing but an API i.e. (Application Programming Interface). It consists of various classes, interfaces, exceptions using which Java application can send SQL statements to a database. The SQL is a Structured Query Language used for accessing the database.
JDBC is useful for both application developers and JDBC driver vendors.
The JDBC specification is prepared by SUN Microsystems. Any third party vendor can design their own JDBC drivers using this specification. These JDBC drivers are then used by the application developers for getting connected to the database.
JDBC is specially used for having connectivity with the RDBMS package (such as Oracle or MYSQL) using corresponding JDBC driver.
Servlet API and Overview
Servlets are simple Java programs that run on the servers. Hence is the name servlets. Servlets are most commonly use with HTTP (i.e. Hyper Text Transfer Protocol) hence sometimes servlets are also called as “HTTP Servlet”. Servlets make use of the Java standard extension classes in the packages javax.servlet and javax.servlet.http. The servlets normally follows the framework standard.
Java Server Pages
JSP stands for Java Server Pages. It is a server side scripting language.
Advantages of Java Server Pages (JSP)
a. JSP is useful for server side programming.
b. JSP can be used along with servlets. Hence business logic for any application can be developed using JSP.
c. Dynamic contents can be handled using JSP because JSP allows scripting and element based programming.
d. JSP allows creating and using our own custom tag libraries. Hence application specific requirements can be satisfied using custom tag libraries. This helps the developer to develop any kind of application.
e. JSP is a specification and not a product. Hence developers can develop variety of applications and add up to performance and quality of software products. Due to this many companies are ready to invest in JSP technology.
Java Server Faces
JSF is a web application framework used to develop the web applications with rich user interface.
This framework is based on Model View Controller (MVC) architecture. There are other technologies that make use of MVC pattern are JSP, spring, ASP.NET and so on.
It simplifies the construction of User Interface (UI) components. These UI components can establish communication with databases or event handlers.
In JSF, the UI components can be created with the help of Application programming Interface (API).
Hibernate
Hibernate is an open source object relational mapping tool for the Java platform
Hibernate allows the Java developer to create persistent classes or persistent data without bothering about how to handle data.
Hibernate query language is an extension to SQL.
The main task of hibernate is mapping of Java classes to database tables. That means the Java data types are mapped to the SQL data types.
Hibernate provides data query and retrieval facilities. This feature avoids wastage of development time in manual data handling in SQL and JDBC.
The goal of hibernate is to relieve the developer from 95% of common data persistence related programming tasks.
The high performance, robust database application with Java can be easily built using the hibernate. For that purpose the developer has to do following things.
Java Web Frameworks Spring MVC
The Spring framework is an application framework for the Java Platform. This is an Open source framework which was initially designed by Rod Johnson. It was first released under Apache 2.0 in 2003.
The web applications are designed using the Java program and are run on the top of Java EE platform.
Spring Framework 4.2.0 was released on 31 July 2015 and was immediately upgraded to the current latest version Spring Framework 4.2 which is released on 1st September 2015 which is compatible with Java 6,7 and 8.
The next version of Spring Framework 4.3 is expected in March 2016.
Benefits of Spring Framework
1. It is a lightweight container framework. This framework enhances modularity and provides more readable code.
2. It provide loose coupling between different modules.
3. It supports declarative transaction, caching, validation and formatting and logging service.
4. It can be easily configured by XML Schema or annotation based style.
5. With a Dependency Injection approach, dependencies are explicit, and evident in constructor or JavaBean properties.
6. It does not require special deployment steps.
7. The spring framework is essentially a skeleton which provides solid ground work around which the application can be built.
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