import java.io.ByteArrayInputStream;

import java.io.ByteArrayOutputStream;

import java.io.IOException;

import java.io.ObjectInputStream;

import java.io.ObjectOutputStream;

public List deepCopy(List src) throws IOException, ClassNotFoundException{

ByteArrayOutputStream byteOut = new ByteArrayOutputStream();

ObjectOutputStream ut = new ObjectOutputStream(byteOut);

out.writeObject(src);

ByteArrayInputStream byteIn = new ByteArrayInputStream(byteOut.toByteArray());

ObjectInputStream in =new ObjectInputStream(byteIn);

List dest = (List)in.readObject();

return dest;

}

ITPub博客

引用类型传递，只传值