A.Closing an open stream. B.Flushing an open stream. C.Writing to an open stream. D.Writing a line separator to an open stream.
单项选择题Given: What is the output?()
A.42 B.420 C.462 D.42042
单项选择题Given: 11.double input = 314159.26; 12.NumberFormat nf = NumberFormat.getInstance(Locale.ITALIAN); 13.String b; 14. insert code here Which code, inserted at line 14, sets the value of b to 314.159,26?()
A.b = nf.parse( input ); B.b = nf.format( input ); C.b = nf.equals( input ); D.b = nf.parseObject( input );
单项选择题Given a valid DateFormat object named df,and 16.Date d = new Date(0L); 17.String ds = December 15, 2004 ; 18. insert code here What updates d’s value with the date represented by ds?()
A.18. d = df.parse(ds); B.18. d = df.getDate(ds); C.18. try {19. d = df.parse(ds);20. } catch(ParseException e) { }; D.18. try {19. d = df.getDate(ds);20. } catch(ParseException e) { };
单项选择题Assuming that the serializeBanana() and the deserializeBanana() methods will correctly use Javaserialization and given: What is the result?()
A.restore 400 B.restore 403 C.restore 453 D.Compilation fails. E.An exception is thrown at runtime.
单项选择题Given: What is the result?()
A.Canada B.null Canada C.Canada null D.Canada Canada E.Compilation fails due to an error on line 26.