Java tutorial
import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; public class Main { public static void main(String[] args) throws Exception { String s = "Hello World from java2s.com!"; FileOutputStream out = new FileOutputStream("test.txt"); ObjectOutputStream oout = new ObjectOutputStream(out); oout.writeUTF(s); oout.writeUTF("This is an example from java2s.com"); oout.flush(); oout.close(); ObjectInputStream ois = new ObjectInputStream(new FileInputStream("test.txt")); System.out.println(ois.readUTF()); System.out.println(ois.readUTF()); ois.close(); } }