Mega Code Archive
Writing objects to file with ObjectOutputStream
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import java.io.FileOutputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
class Person implements Serializable {
private String firstName;
private String lastName;
private int age;
public Person() {
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String toString() {
StringBuffer buffer = new StringBuffer();
buffer.append(firstName);
buffer.append("\n");
buffer.append(lastName);
buffer.append("\n");
buffer.append(age);
buffer.append("\n");
return buffer.toString();
}
}
public class Main {
public static void main(String[] args) throws Exception {
ObjectOutputStream outputStream = null;
outputStream = new ObjectOutputStream(new FileOutputStream("yourFile.dat"));
Person person = new Person();
person.setFirstName("A");
person.setLastName("B");
person.setAge(38);
outputStream.writeObject(person);
person = new Person();
person.setFirstName("C");
person.setLastName("D");
person.setAge(22);
outputStream.writeObject(person);
}
}
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