ByteArrayOutputStream bo = new ByteArrayOutputStream();
ObjectOutputStream oo = new ObjectOutputStream(bo);
oo.writeUTF("aaa");
byte [] bytes = bo.toByteArray();
ByteArrayInputStream bi = new ByteArrayInputStream(bytes);
ObjectInputStream oi = new ObjectInputStream(bi);
String str = (String) oi.readUTF();
System.out.println(str);
以上寫法會出現EOFException例外，但是我把writeUTF改成writeObject就好了，這是為什么，正確代碼如下：
ByteArrayOutputStream bo = new ByteArrayOutputStream();
ObjectOutputStream oo = new ObjectOutputStream(bo);
oo.writeObject("aaa");
byte [] bytes = bo.toByteArray();
ByteArrayInputStream bi = new ByteArrayInputStream(bytes);
ObjectInputStream oi = new ObjectInputStream(bi);
String str = (String) oi.readObject();
System.out.println(str);
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