Mega Code Archive
Class combination Serialization
<![CDATA[
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
class ID implements Serializable {
}
class Employee implements Serializable {
private String name;
private ID myID;
Employee(String nm, ID h) {
name = nm;
myID = h;
}
public String toString() {
return name + "[" + super.toString() + "], " + myID + "\n";
}
}
public class MainClass {
public static void main(String[] args) throws IOException, ClassNotFoundException {
ID id = new ID();
List employees = new ArrayList();
employees.add(new Employee("A", id));
employees.add(new Employee("B", id));
employees.add(new Employee("C", id));
System.out.println("employees: " + employees);
ByteArrayOutputStream buf1 = new ByteArrayOutputStream();
ObjectOutputStream o1 = new ObjectOutputStream(buf1);
o1.writeObject(employees);
o1.writeObject(employees);
ByteArrayOutputStream buf2 = new ByteArrayOutputStream();
ObjectOutputStream o2 = new ObjectOutputStream(buf2);
o2.writeObject(employees);
ObjectInputStream in1 = new ObjectInputStream(new ByteArrayInputStream(buf1.toByteArray()));
ObjectInputStream in2 = new ObjectInputStream(new ByteArrayInputStream(buf2.toByteArray()));
List emp1 = (List) in1.readObject(), emp2 = (List) in1.readObject(), emp3 = (List) in2
.readObject();
System.out.println("emp1: " + emp1);
System.out.println("emp2: " + emp2);
System.out.println("emp3: " + emp3);
}
}
/*
*/
employees: [A[Employee@126b249], ID@182f0db
, B[Employee@192d342], ID@182f0db
, C[Employee@6b97fd], ID@182f0db
]
emp1: [A[Employee@750159], ID@1abab88
, B[Employee@18a7efd], ID@1abab88
, C[Employee@1971afc], ID@1abab88
]
emp2: [A[Employee@750159], ID@1abab88
, B[Employee@18a7efd], ID@1abab88
, C[Employee@1971afc], ID@1abab88
]
emp3: [A[Employee@16cd7d5], ID@cdedfd
, B[Employee@1c39a2d], ID@cdedfd
, C[Employee@bf2d5e], ID@cdedfd
]
]]>