Compression of image file is one of the important task when it comes to save the large number of image files. It saves lot of space if you could compress the images when it is necessary. This example demonstrates how to compress the the JPEG file and reduce the size. ImageWriteParam class is mainly used …
How To Get Image Format Using Java
Java provides the ImageIO to work with image files. This example demonstrates how to get the type or format of the image file. It is necessary to know the type of the file when you are processing the images. Java has ImageReader which stores the type of image file. One image can have more that …
Eclipse Tips : Rename Variable (ALT + SHIFT + R)
Eclipse provides cool short cut key for renaming the variables across within a class or entire workspace. If you are not aware of this feature, you would use “find” option and replace the variable with new name. But, this will lead to a problem of not renaming all the references. You can easily rename the …
Eclipse Tips : How To Create Custom Code Template In Eclipse
One of the awesome feature in Eclipse is to create the custom code template to insert on the appropriate context. For example, there is default for loop template is exist in the Eclipse IDE, if you type for and press CTRL + SPACE, it would insert the complete for loop syntax with the condition. This …
Eclipse Tips : How To Add Server In Eclipse
This example illustrates how to add the server instance using the server wizard in Eclipse. One of the greatest advantage of using the IDE’s like Eclipse is that developers can use the server instances inside the editor itself without leaving the Eclipse environment. Eclipse itself supports the multiple server adapters to easily integrate the server …
Enabling / Disabling Form Elements using JavaScript
The Enabling/Disabling element takes two values that is true or false, if we set to true then we can enable the element that means the user can edit the elements which user wants to do in the form or text box or else if it is set to be false then the element is disable …
How to Write Bean PropertyChangeListener in Java
Property change events occur when ever there is change in the property values. We assume that the component conforms with the Java Bean specification. JavaBean s property is accessed using the set or get methods. These methods are invoked by the application for setting or getting the values from the bean. This doesn’t have any …
FileNotFoundException in Java
If you are working with the File APIs in Java, it is common that you would encounter the FileNotFoundException. This is a subclass of IOException. This Java exception is thrown by the classes FileInputStream, FileOutputStream, and RandomAccessFile. These classes trying to access a file in the system for the purposes of reading or writing into …