Question 13: Consider the code given below. What will the output be?

1import java.io.*;
2class AutomaticGate implements Serializable {
3    private boolean isOpen;
4    private transient String location;
5    private transient int gCode;
6
7    // Constructor to initialize instance variable
8    public String toString() {
9        return "isOpen=" + isOpen + ", location=" + location + ", gCode=" + gCode;
10    }
11
12    private void writeObject(ObjectOutputStream out) throws IOException {
13        out.defaultWriteObject();
14        out.writeInt(gCode + 123);
15    }
16
17    private void readObject(ObjectInputStream in) throws Exception {
18        in.defaultReadObject();
19        gCode = in.readInt() - 123;
20    }
21}
22public class Test {
23    public static void main(String[] args) throws Exception {
24        var fos = new FileOutputStream("GateData.txt");
25        var oos = new ObjectOutputStream(fos);
26        AutomaticGate gate1 = new AutomaticGate(true, "North Entrance", 456789);
27        oos.writeObject(gate1);
28
29        var fis = new FileInputStream("GateData.txt");
30        var ois = new ObjectInputStream(fis);
31        AutomaticGate obj = (AutomaticGate) ois.readObject();
32        System.out.println(obj);
33    }
34}