Apr 12, 2019
What is spring in Java? tccicomputercoaching.com
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What is spring in Java? tccicomputercoaching.com
Spring Framework is a powerful lightweight application development framework used for Enterprise Java (JEE). Architecture of Spring Framework: There are around 20 modules which are generalized into…
What is spring in Java? tccicomputercoaching.com
What is spring in Java? tccicomputercoaching.com
Spring Framework is a powerful lightweight application development framework used for Enterprise Java (JEE).
Architecture of Spring Framework:
There are around 20 modules which are generalized into Core Container, Data Access/ Integration, Web, AOP (Aspect Oriented Programming), Instrumentation, and Test. Here, developer is free to choose the required module. It’s modular architecture enables integration with other frameworks without much hassle.
Use of the Spring Framework:
The of the Spring Framework can be used in developing any Java application.
The Spring Framework can be used for all layer implementations of a real time application.
It can also be used for the development of particular layer of a real time application unlike Struts and Hibernate, but with Spring we can develop all layers.
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The Java URLConnection class represents a communication link between the URL and the application. This class can be used to read and write data to the specified resource referred by the URL. The UR…
What is URLConnection class in Java? tccicomputercoaching.com
What is URLConnection class in Java? tccicomputercoaching.com
The Java URLConnection class represents a communication link between the URL and the application. This class can be used to read and write data to the specified resource referred by the URL.
The URLConnection class contains many methods that let you communicate with the URL over the network. URLConnection is an HTTP-centric class; that is, many of its methods are useful only when you are working with HTTP URLs.
However, most URL protocols allow you to read from and write to the connection.
For run the programme related URLConnection you should know some built-in methods like,
URLConnection openConnection(): opens the connection to the specified URL.
OutputStream getOutputStream(): returns the output stream to this connection.
InputStream getInputStream(): returns the input stream to this open connection.
Steps involved in the above process:
1. URL Creation: Create a URL object using any of the constructors given int
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3. Create Object: Invoke the openConnection() call to create the object of URLConnection.
4. Display the Content: Either use the above created object to display the information about the resource or to read/write contents of the file to console using bufferedReader and InputStream of the open connection using getInputStream() method.
5. Close Stream: Close the InputStream when done.
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