how to find java versions in your computer

-
In the command prompt type the following
>java -version
you will get the version.








Comments

Post a Comment

Popular posts from this blog

How to create a XML DTD for displaying student details

-
Image
XML  is    e X tensible M arkup L anguage which is used to create used defined tags.  It has Elements  ( <STUDENT>) Attributes (<STUDENT id="21it21">) To create a XML file, create three files 1 ->  XML file (used to declare the user defined tags) 2 ->  DTD file (used to define the user defined tags) 3 ->  HTML file(used to display the xml file as web page) create these three files using any editor like notepad.  Student.Xml <?xml version="1.0"?> <!DOCTYPE STUDENTS SYSTEM "E:\XML1\STUDENT.dtd"> <STUDENTS>  <STUDENT>  <STUDENTDATA>     <NAME> SUTHA </NAME>     <ID>  2007IT51 </ID>     <AGE> 20 </AGE>     <ADDRESS> 12, SATHY ROAD , GOBI </ADDRESS>   </STUDENTDATA> </STUDENT> </STUDENTS> Student.dtd <?xml version="1.0"?> <!ELEMENT STU...
Read more

How to write your first XML program?

-
XML is Extensible Markup Language. It is used to create user defined tags. This is derived from SGML(Standard Generalized Markup Language). Do you like to create your own tags?? If the answer is yes, you try XML. A simple XML code is given below. It is a simple birthday message for your beloved one. < Birthday>   <Wishes>  Happy birthday  </Wishes> </Birthday>     Here, the root tag is <Birthday>. <Wishes>   is the user defined tag. This basic xml program shows you to create a root tag with elements. To create a basic program, follow the below syntax. Syntax: < ?xml version=”1.0”?> <root tag>   <element1>   </element1>                     .                     .   <elem...
Read more

Java NIO examples to illustrate channels and buffers.

-
     As the earlier blog gives you a basic knowledge about java NIO. Here, is the some examples to understand the concept of channels and buffers. Channel is a foundational construction. It helps you to connect the input, output, hardware devices, files and sockets. Buffer: it is a storage place where we can store the temporary data. Let us create a channel for processing file reading and writing operations. Make it connected with a buffer. File Reading Example using java NIO: ·        It includes the built in packages. ·        A public class is created with main() function. ·        Three objects are created. FileInputStream,FileChannel and ByteBuffer. ·        Data is read through the channel and gets stored in buffer. ·        Until the buffer has data, it reads the data and display it in the output screen · ...
Read more