Random File Handling in Java Example

import java.lang.System; 
 import java.io.RandomAccessFile; 
 import java.io.IOException; 
 public class RandomFileHandling 
 { 
        public static void main(String args[])throws IOException 
       { 
            RandomAccessFile fp = new RandomAccessFile("ecomputernotes.bat","rw"); 
            fp.writeBoolean(true); 
            fp.writeInt(50); 
            fp.writeChar('r'); 
            fp.writeDouble(1234.56); 
            fp.seek(5); 
            System.out.println(fp.readChar());                         
            System.out.println(fp.readDouble());                     
            fp.seek(0); 
            System.out.println(fp.readBoolean());                    
            System.out.println(fp.readInt());                          
            fp.close(); 
       } 
                                                                                       
 }