单项选择题
Which capability exists only in java.io.FileWriter?()
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.
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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) { };
