中国大学MOOC: （字节数组字节流）下列代码将对象写入的设备是________。ByteArrayOutputStream bout=new ByteArrayOutputStream();ObjectOutputStream out=new ObjectOutputStream(bout);out.writeObject(this);out.close();

写入一个实体对象到文件该如何实现？ A: 用ObjectOutputStream的write()方法 B: 用DataStream的writeObject()方法 C: 用ObjectOutputStream的writeObject()方法 D: 用FileOutputStream的writeObject()方法

以对象为单位把某个对象直接写入流，则需要使用以下哪个方法？（） A: writeInt(); B: writeObject(); C: write(); D: writeUTF();

【单选题】3 . Aron ______ water five days later. A . ran out B . used out C . ran out of D . used out of A. A ． ran out B. B ． used out C. C ． ran out of D. D ． used out of

Howabout_______for a walk? A: go out B: went out C: going out D: will go out

The bookhis experience in India. A: came out in B: came out of C: came out at D: came out with

There was a power cut and all the lights _____. A: went out B: go out C: died out D: made out

I learned to ______the background noise. A: let out B: get out C: leave out D: tune out

The stars ____ as soon as it was dark. A: come out B: came out C: have come out D: will come out

The tools in the workshop are not allowed _____. A: to take out B: to taken out C: being taken out D: take out