ObjectInputStream如何判断已取完所有对象？ - 黑马程序员技术交流社区

import java.io.EOFException;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
public class ObjectIOdemo {
/**
* @param args
* @throws IOException
* @throws ClassNotFoundException
*/
public static void main(String[] args) throws IOException, ClassNotFoundException {
writeObj();
readObj();
}
public static void readObj() throws IOException, ClassNotFoundException {
FileInputStream fis = new FileInputStream(new File("c:\\1.object"));
ObjectInputStream ois = new ObjectInputStream(fis);
//这段代码将出现EOFException异常
// Object obj = null;
// while((obj=ois.readObject()) != null) {
// Person per = (Person)obj;
// System.out.println(obj);
// }
try {
while(true) {
System.out.println(ois.readObject());
}
}catch(EOFException e) {
System.out.println("已经读完所有对象");
}
ois.close();
}
public static void writeObj() throws IOException {
FileOutputStream fos = new FileOutputStream(new File("c:\\1.object"));
ObjectOutputStream oos = new ObjectOutputStream(fos);
oos.writeObject(new Person("xiaomin", 25));
oos.writeObject(new Person("xiaoqiang", 26));
oos.close();
}
}

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