Reading a file using FileInputStream

Reading a file using FileInputStream

To read a file using FileInputStream in Java, follow these steps:

  1. Import the necessary packages:

2. Create a FileInputStream object for the file you want to read:

3. Create a buffer array to store the data you read from the file:

4. Use the read method of the FileInputStream class to read data from the file into the buffer:

The read method returns the number of bytes read from the file, or -1 if the end of the file has been reached.

5. Use the data you have read from the file, for example by converting it to a string:

6. Close the FileInputStream object to release any system resources it is holding:

Here is an example that reads the contents of a file and prints them to the console: