This tutorial is for all the Java followers. One of the best feature that is widely used is the term ‘Abstract’. This term can be used as either class or a simple method.
An abstract method is any method that is just declared but not instantiated. In other words one can just create the declaration of the method but cannot write any thing in it to perform at that particular instance. And the class containing even a single abstract method then the class is called as ‘Abstract Class’‘ . To use that particular method one must have to inherit the class ( ‘abstract class’) then it has to be overridden as per required. Continue reading “Abstract Class In JAVA”
This is one of my tutorials for JAVA learner. All of you must be aware of Java Archive File i.e. JAR file.
Jar file is nothing but the collection of various class files into a single module.
Now one must be thinking that what is the actual need of jar file? Look friends this is not compulsory to create a jar file when we can directly run our code using class file to be interpreted. But what if we want that code to be used by any other person who does not know java or has no knowledge about how to run the java code? In this case we can provide the compressed version of class files into a single module called JAR file. Continue reading “JAR File : Java Archive File”
Ubuntu is an operating system built by a worldwide team of expert developers. It contains all the applications you need – a web browser, office suite, media apps, instant messaging and much more.Ubuntu is an open-source alternative to Windows and Office.
Now as we are prone to have changes in our look almost everyday in our life we may feel bored using the same theme all over again while using Ubuntu.
But my friend there is no need to worry. Ubuntu provides us with lot of flexibility to add or even create our own themes of our choice.
Its very easy to add new theme into our OS display that may make us feel comfortable while using it. Follow the steps given below to try out new themes.
Step 1) First of all you’ll need to download some themes of your choice. If you have itself then its great otherwise it is free to download. You can follow this link to Download.
Step 2) Once you are finished with downloading save it in particular folder without unpacking it. Now select the System menu on top and click on Preferences -> Appearance.
Step 3) Select Theme tab and then click Install.
Step 4) Now browse thefolder where the tar.gz file is located. Once the file is opened click Open.
Step 5) The theme will now be installed. After installation completes a pop-up will appear, that will make sure that the theme is properly installed and ready to use.
Step 6) Now another pop-up will appear after clicking OK. This will prompt you for applying the recently installed theme, so click Apply New Theme.
Step 7) Now you are ready to use the services in all new look and feel without any distraction.