Java

I've developed a Java calendar program which is based on Swing concept. Below the screenshot of my program. This program has two panels, one to hold the combo boxes and other one to hold the labels to...

SQL is a standard and it is implemented by almost all database server vendors. As part of this standard, the grammar of the SQL is defined and it consists of the information about various data types t...

DatabaseMetaData is an interface as part of JDBC API to get a comprehensive information on the Database. The implementation for this interface is provided by the JDBC vendors.The methods defined in th...

java.sql.ResultSetMetaData is an interface of JDBC API and the implementation has to be given by JDBC vendors. This interface is mainly used to identify the meta data information on the ResulstSet i.e...

Here the regular expression for time validation...^(([0-9]|([0-1]{0,1}[0-2])):[0-5][0-9]\\s{0,1}(AM|PM|am|pm|aM|Am|pM|Pm))|(((1[0-9])|(2[0-3])):[0-5][0-9])$Please note that \\s refers to a space chara...

Let's look at the below code snippet and guess the outputpublic class LongPuzzle{ public static void main(String args[]) { long milliSecondsPerDay = 24*60*60*1000; long microSecondsPerDay = 24...

Hi guys - I've posted an article 2 years ago on developing a mobile web application by using the existing desktop application. You can read more hereX-WAP-PROFILE is not a full measure for us to decid...

We can use collection classes and objects to handle group of objects (other than arrays). Java has a collection frame work to deal with collections.Collection framework: A collection framework is a cl...

StringTokenizer class has been defined in java.util package, which allows us to break a string into tokens. i.e.; this class will be very handy, if you would like to split a string with different valu...

Probably I would have posted this few years ago (7 years precisely) as I've developed this long ago. Just got a chance and thought that this might be helpful for few programmers out there.This program...