Java tutorial
import java.io.IOException; import java.io.RandomAccessFile; public class RandomIOApp { public static void main(String args[]) throws IOException { RandomAccessFile file = new RandomAccessFile("test.txt", "rw"); file.writeBoolean(true); file.writeInt(123456); file.writeChar('j'); file.writeDouble(1234.56); file.seek(1); System.out.println(file.readInt()); System.out.println(file.readChar()); System.out.println(file.readDouble()); file.seek(0); System.out.println(file.readBoolean()); file.close(); } }