import java.io.*;

public class WriteBinaryData {
    public static void main(String[] args) throws IOException {
		// Use try-with-resources to ensure proper resource management
        try (DataOutputStream dos = new DataOutputStream(new FileOutputStream("data1.txt"))) {
            dos.writeInt(42);
            dos.writeDouble(3.14159);
            dos.writeUTF("Hello, PVPSIT!");
        }
    }
}