java ByteArrayOutputStream from OutputStream
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ByteArrayOutputStream from OutputStream
提问by Taranfx
How to create OutputStream from ByteArrayOutputStream in Java
How to create OutputStream from ByteArrayOutputStream in Java
回答by Harry Joy
Following runs without error:
Following runs without error:
ByteArrayOutputStream stream = new ByteArrayOutputStream();
OutputStream outStream = stream;
If you see the docs for ByteArrayOutputStreamyou will find that it extends OutputStream.
If you see the docs for ByteArrayOutputStreamyou will find that it extends OutputStream.
回答by Harry Joy
ByteArrayOutputStreamisa subclass of OutputStream.
ByteArrayOutputStreamisa subclass of OutputStream.
ByteArrayOutputStream bos = ...;
OutputStream os = bos;
回答by WhiteFang34
A ByteArrayOutputStreamis an OutputStream. I.e. you can just assign it like this:
A ByteArrayOutputStreamis an OutputStream. I.e. you can just assign it like this:
ByteArrayOutputStream baos = new ByteArrayOutputStream();
OutputStream out = baos;
回答by Koekiebox
You can create a helper method like follows:
You can create a helper method like follows:
public OutputStream convert(ByteArrayOutputStream arrayOutputStreamParam){
return arrayOutputStreamParam;
}
