This post writes a simple Java example program to get the current operating system. There is a system property in Java, System.getProperty(“os.name”) which returns the operating system. However, this utility returns the operating system type like Windows, Mac, Unix or Linux. Lets look at the below example. GetOSExample.java Output…
This example demonstrates the basic data manipulation operation in a File object. Java File object has set of methods to perform the following operations: Get the file last modified date Change the file modified date Lets look at the example to see how the above operations are implemented in Java example program. We use SImpleDateFormat […]
Setting the file permissions in Java is OS specific. Each type of file system have different kind of file systems. Java provides the very generic solution to set the file permissions for all kind of file systems. This example demonstrates how to set file permissions to a file in the Linux operating system using Java […]
In my previous example, I have written a simple program to covert string object to InputStream. This tutorial does the reverse, converting inputstream into a string object. Lets look at the example.
This is simple exmaple for converting string object to a InputStream and then read it using the BufferedReader.
In my previous article I have explained about how to create and write into a temporary file. Normally this file will be deleted once the operation is completed. Lets look at this simple example, to understand getting the temporary file path and deleting it on exit of the program. Delete Temporary File Example Output…
If you are working on the file operations, it is obvious that you have to use the temporary file concept for the file transfer activities. When you download or transfer a file from one location to another, a temporary file is created and then data transferred to the location. Once the entire data is transferred, […]
With the help of File IO API in Java, you can create a single directory or multiple directories in the disk. Here I wrote a very simple example to demonstrate the use of File class and create the directories. mkdir – Creates a directory mkdirs – Creates multiple directories Create Directory Example CreateDirectoryDemo.java
This simple example shows how to get the standard input from console in Java. When you run this program, it asks the user for the input, if you enter a value, it is printed in the console. Let’s try this example. StdInputExample.java
Marker Interfaces in Java are special interfaces which don’t declare any methods inside the interface definition. Because of that, if a class implements the marker interface don’t need to override any methods. What is the use of marker interface in Java?. It implicitly imposes a functionality or characteristic to the implementing class. There are many […]