Java FileNotFoundException While File is Existing There

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Sometimes you my encounter a FileNotFoundException in java while you can see that the specified file is there. This can happen for several r...

How to Filter Filetypes using File Extensions in JFileChooser - Java File Chooser

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Screenshot of following example java program In java, to browse files or folders from the file system, we use the JFileChooser class. Yo...

What Does Modal and Modeless (Non Modal) Mean in Java

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In java, the dialogue boxes in JOptionPane class are very popular. Now when we use dialogue boxes, whether it is message dialogue box, input...

How to Get User Related Informations in Java

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In java, there are some methods that will help you to know some user related informations. Here also, System.getProperty() method can give s...

How to Get Operating System Information in Java

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Using java, you can gather some information about the operating system of the computer system on which the code is running. That us java pro...

How to Get JRE installation Directory in a Java Application

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To get the java runtime environment (JRE) installation directory of a computer, we can use the getProperty() method in System class. The key...

How to Get Class Path in a Java Application

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Class Path is the Path used to find directories and JAR archives containing class files. Elements of the class path are separated by platfo...

Why FileOutputStream or BufferedWriter Does Not Write New Line to File

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The new-line character is system dependent. It depends on operating system. It can be \n , \r , \r\n or something else depending on the ope...

How to Make a Timer Controlled Progress Bar in Java

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timer controlled progress bar in java For some applications we require to use timer and progress-bars. Java has a swing class called JP...

Problem With JProgressBar setValue Method? JProgressBar Value Not Updating - Solution

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I had a problem with a JProgressBar. I called setValue() method of the java swing class JProgressBar for an object but the JProgressBar is s...