Java tutorial
import java.io.BufferedInputStream; import java.io.FileInputStream; import java.io.FilterInputStream; import java.io.IOException; import java.io.InputStream; public class Main { public static void main(String[] args) throws Exception { // create input streams InputStream is = new FileInputStream("C://test.txt"); FilterInputStream fis = new BufferedInputStream(is); // closes and releases the associated system resources fis.close(); // read is called after close() invocation fis.read(); } }