问答题

WhichtwoconstructanOutputSreamthatappendstothefile“file.txt”?()

A.OutputStreamout=newFileOutputStream(“file.txt”);
B.OutputStreamout=newFileOutputStream(“file.txt”,“append”);
C.FileOutputStreamout=newFileOutputStream(“file.txt”,true);
D.FileOutputStreamout=newFileOutputStream(newfile(“file.txt”));
E.OutputStreamout=newFileOutputStream(newFile(“file.txt”)true);
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