In this tutorial how to read and write from the file using RandomAccessFile class in Core Java is shown.
Code:
RandomAccessFileDemo.java
import java.io.*;
class RandomAccessFileDemo
{
public static void main(String args[]) throws FileNotFoundException
{
File f1 = new File(“Demo.txt”);
int a=123;
long b=435523;
String s=”Here is some text”;
try
{
RandomAccessFile raf = new RandomAccessFile(f1,”rw”);
raf.writeInt(a);
raf.writeLong(b);
raf.writeUTF(s);
raf.seek(0);
System.out.println(raf.read());
raf.close();
}
catch(IOException ex)
{
System.out.println(ex.toString());
}
}
}
