How to traverse a directory structure in Java
In this example, the program will traverse the given directory and print out all the directories and files absolute path and name one by one.
How to delete directory in Java
If we use the NIO Files.delete to delete a non-empty directory in Java, it throws DirectoryNotEmptyException; for legacy IO File.delete to delete a non-empty directory, it returns a false. The…
How to create directory in Java
In Java, we can use the NIO Files.createDirectory to create a directory or Files.createDirectories to create a directory including all nonexistent parent directories. For legacy IO java.io.File, the similar methods…
Java – Unable to assign group write permission to a file
In Java, we can use the NIO createFile() to assign file permission during file creation. But, the createFile() fails to assign the group writes file permission to a file on…
How to get the temporary file path in Java
In Java, we can use System.getProperty("java.io.tmpdir") to get the default temporary file location. For Windows, the default temporary folder is %USER%\AppData\Local\Temp. For Linux, the default temporary folder is /tmp .…
How to delete a temporary file in Java
In Java, we can use the NIO Files.delete() or Files.deleteIfExists() to delete a temporary file, it works the same like delete a regular text file. We also can uses the…
How to write data to a temporary file in Java
The temporary file is just a regular file created on a predefined directory. In Java, we can use the NIO Files.write() to write data to a temporary file. In Java,…
How to create a temporary file in Java
In Java, we can use the Java NIO Files.createTempFile() methods to create a temporary file in the default temporary-file directory. The default temporary file folder is vary on operating system:…
How to decompress serialized object from a Gzip file
In last section, you learn about how to compress a serialized object into a file, now you learn how to decompress it from a Gzip file. The idea is very…
How to compress serialized object into file
In last section, you learn about how to write or serialized an object into a file. In this example , you can do more than just serialized it , you…