Java FileInputStream class obtains input bytes from a file. It is used for reading byte-oriented data (streams of raw bytes) such as image data, audio, video etc. You can also read character-stream data. But, for reading streams of characters, it is recommended to use FileReader class.

What is file in and file out in Java?

The InputStream is used to read data from a source and the OutputStream is used for writing data to a destination. Here is a hierarchy of classes to deal with Input and Output streams. The two important streams are FileInputStream and FileOutputStream, which would be discussed in this tutorial.

What is output statement in Java?

We commonly use two output statements in Java. … println(<output value>); — This statement prints data on the console. The data to be printed is passed to the println method as a String. After printing the string, it places the cursor at the start of the next line.