序列化一般應(yīng)用與以下場(chǎng)景之中:
1.永久性保存對(duì)象,把對(duì)象通過(guò)序列化字節(jié)流保存到本地文件中;
2.通過(guò)序列化在網(wǎng)絡(luò)中傳輸對(duì)象
3.通過(guò)序列化在進(jìn)程間傳遞對(duì)象
public class javaSerializable_fun {
/**
* java.io.Serializable 接口,類只有實(shí)現(xiàn)Serializable借口才能被序列化
* java.io.Externalizable接口,利用java的序列化和反序列化工具,很多存儲(chǔ)和恢復(fù)對(duì)象的工作都可以自動(dòng)完成。
* java.io.ObjectOutput接口,序列化傳出, 繼承了DataOutput接口并定義了一些方法,它支持對(duì)象序列化;
* 重點(diǎn)說(shuō)明:在該類中,writeObject()方法是最重要的方法,用于對(duì)象序列化,如果對(duì)象包含其他的對(duì)象引用,則writeObject()方法地柜序列化這些對(duì)象;
* java.io.ObjectOutputStream類,負(fù)責(zé)向流中寫(xiě)入對(duì)象,構(gòu)造方法:ObjectOutputStream(OutputStream out);
* java.io.ObjectInput接口,序列化傳入。繼承了DataInput接口并定義了一些方法,它支持對(duì)象序列化;
* ObjectInputStream類, 負(fù)責(zé)向從流中讀取對(duì)象,構(gòu)造方法:ObjectInputStream(InputStream out);
***/
public static void main(String[] args) {
try
{
//構(gòu)造FileOutputStream對(duì)象
FileOutputStream f=new FileOutputStream("C:a.txt");
//構(gòu)造ObjectOutputStream對(duì)象
ObjectOutputStream out=new ObjectOutputStream(f);
Customer customer=new Customer("bj",50);
//使用ObjectOutputStream對(duì)象的writeObject()方法進(jìn)行序列化
out.writeObject(customer);
//關(guān)閉ObjectOutputStream對(duì)象
out.close();
//關(guān)閉FileOutputStream對(duì)象
f.close();
System.out.println("序列化完畢!");
}
catch(IOException e)
{
e.getStackTrace();
}
}
}
class Customer implements Serializable
{
private static final long serialVersionUID =1L;
private String name;
private int age;
public String getName()
{
return name;
}
public int getAge()
{
return age;
}
public Customer(String name,int age)
{
this.name=name;
this.age=age;
}
public String toString()
{
return "name="+ name +",age="+age;
}
}
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