Programmatically Toggle Function Keys
The function keys of the keyboard Caps Lock, Num Lock and Scroll Locks keys can be turned on or off programmatically via the simple API available in the Toolkit class. This feature is very helpful in...
View ArticleHow to count lines in the file using Java?
It’s easy to simple count the lines in a file using Unix commands like grep filename | wc -l This would return you the number of lines in the file. However if you have to know that programmatically...
View ArticleHow to encode URL?
URLEncoder is the utility class for HTML form encoding is part of JDK API. This class contains static methods for converting a String to the application/x-www-form-urlencoded MIME format. Custom...
View ArticleWrite a program to compute factorial of a number in Java
In mathematics, the factorial of a positive integer n denoted by n!, is the product of all positive integers less than or equal to n. For example, 5 ! = 1 x 2 x 3 x times 4 x 5 = 120 0! is a...
View ArticleWrite a program to generate Prime Numbers
In mathematics, a prime number (or a prime) is a natural number that has exactly two distinct natural number divisors: 1 and itself. The first twenty-five prime numbers are: 2, 3, 5, 7, 11, 13, 17, 19,...
View ArticleWrite a program to generate Fibonacci Numbers
In mathematics, the Fibonacci numbers are the numbers in the following sequence: 0,1,12,3,5,8,13,21,34,55,89,144 By definition, the first two Fibonacci numbers are 0 and 1, and each remaining number is...
View ArticleHow to select a JVM Analyzing Tool?
A JVM monitoring tool also know as a Diagnostic might be needed to fine tune your Java application for performance, reduce memory footprint, avoid contention/deadlocking etc. As such selecting a right...
View ArticleA typical ShutdownHook in Java
Shutdown hooks are a very important feature of the JVM. They provide the capability to do resource cleanup or store application state when the JVM shuts down. In a typical application there are lot of...
View ArticleHow to send Email from a Gmail account using Java?
Sending email from a Gmail account can be done easily using the classes from the javax.mail package. Gmail supports both SSL and TLS as the protocol to make a secure connection from the email client to...
View ArticleHow to enable Java in Internet Explorer 8.0?
If the Java Plugin is not installed or enabled the applet would not run in the Internet Explorer as seen the screen shot below. <! In order to enable Java in Internet Explorer, perform the following...
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