import java.io.*; public class TestObjectOutputStream { public static void main(String[] args) throws IOException { try ( // Create an output stream for file object.dat ObjectOutputStream output = new ObjectOutputStream(new FileOutputStream("object.dat")); ) { // Write a string, double value, and object to the file output.writeUTF("Jamal"); output.writeDouble(85.5); output.writeObject(new java.util.Date()); } } }