import java.io.*; class ReadWritePrimitive { public static void main(String[] args) { try{ FileOutputStream fos = new FileOutputStream(\"data.txt\"); DataOutputStream dos = new DataOutputStream(fos); //Writing primitive data to the data.txt file dos.writeInt(2000); dos.writeDouble(888.88); dos.writeChar(\'V\'); dos.writeBoolean(false); fos.close(); dos.close(); //Reading primitive data to the data.txt file FileInputStream fis = new FileInputStream(\"data.txt\"); DataInputStream dis = new DataInputStream(fis); System.out.println(dis.readInt()); System.out.println(dis.readDouble()); System.out.println(dis.readChar()); System.out.println(dis.readBoolean()); fis.close(); dis.close(); }catch(Exception e) {} } }