如何在 Java 中序列化可序列化类的多个对象?
例如
public class Personne implements java.io.Serializable {
String nom;
String date;
Personne(String nom,String date)
{
this.nom=nom;
this.date=date;
}
}
我想创建许多对象:
Personne p1 = new Personne("X","XX");
Personne p2 = new Personne("Y","ZZ");
Personne p3 = new Personne("Z","ZZ");
--> 序列化这些对象的静态函数
--> 反序列化静态函数
完整代码:
package game2;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
/**
*
* @author ahmedJ
*/
public class Personne implements java.io.Serializable {
String nom;
String date;
Personne(String nom, String date) {
this.nom = nom;
this.date = date;
}
public static void Serialiser(Personne sp) {
try {
ObjectOutputStream out = new ObjectOutputStream(
new FileOutputStream("Score.sp"));
out.writeObject(sp);
out.flush();
out.close();
} catch (java.io.IOException e) {
e.printStackTrace();
}
}
public static void Deserialiser() {
Personne a1, a2, a3;
try {
FileInputStream file = new FileInputStream("Score.sp");
ObjectInputStream in = new ObjectInputStream(file);
a1 = (Personne) in.readObject();
a2 = (Personne) in.readObject();
a3 = (Personne) in.readObject();
System.out.println(a1.nom);
System.out.println(a2.nom);
System.out.println(a3.nom);
in.close();
file.close();
} catch (Exception ex) {
System.err.println("Erreur de lecture " + ex);
}
}
public static void main(String[] sd) {
Personne p1 = new Personne("X", "XX");
Personne p2 = new Personne("Y", "ZZ");
Personne p3 = new Personne("Z", "ZZ");
Serialiser(p1);
Serialiser(p2);
Serialiser(p3);
Deserialiser();
}
}
最佳答案
使用ObjectOutputStream写和 ObjectInputStream读书。非常简单并且有效:
ObjectOutputStream out = new ObjectOutputStream(myFileOutputStream);
out.writeObject(p1);
out.writeObject(p2);
out.writeObject(p3);
out.close();
....
ObjectInputStream in = new ObjectInputStream(myFileInputStream);
p1 = (Personne) in.readObject();
p2 = (Personne) in.readObject();
p3 = (Personne) in.readObject();
关于java - 如何序列化/反序列化java中的对象列表?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/14655926/