Java RandomAccessFile.readByte()
Syntax
RandomAccessFile.readByte() has the following syntax.
public final byte readByte() throws IOException
Example
In the following code shows how to use RandomAccessFile.readByte() method.
/*from w ww .j a v a 2s . c om*/
import java.io.*;
public class Main {
public static void main(String[] args) {
try {
RandomAccessFile raf = new RandomAccessFile("c:/test.txt", "rw");
// write something in the file
raf.writeUTF("Hello World from java2s.com");
// set the file pointer at 0 position
raf.seek(0);
// read byte
System.out.println(raf.readByte());
// set the file pointer at 0 position
raf.seek(0);
// write 0 at the start
raf.write(0);
// read byte
System.out.println(raf.readByte());
raf.close();
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
Home »
Java Tutorial »
java.io »
Java Tutorial »
java.io »