多项选择题 ForagivenServletResponseresponse，whichretrievesanobjectforwritingbinarydata？（）

单项选择题 Which additions needs to be made to the Iterate Handler class for it to properly perform as the tag handler for the loop tag.?()

单项选择题 Given  1.  public class Foo {  2.  public static void main （String [] args） }  3.  try { return；}  4.  finally { Syste.out.printIn （“Finally”）；}  5. }  6. }   What is the result()？