单项选择题
Given:
Which code fragment, inserted at line 23, allows the code to compile?()
A.df = new DateFormat();
B.df = Date.getFormat();
C.df = date.getFormat();
D.df = DateFormat.getFormat();
E.df = DateFormat.getInstance();
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相关考题
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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.
F.Compilation fails due to an error on line 29. -
单项选择题
Click the Exhibit button. What is the output if the main() method is run?()
A.4
B.5
C.8
D.9 -
多项选择题
Given: Which two code fragments, inserted independently at line 3, generate the output 4247? ()
A.String s = "123456789";s = (s-"123").replace(1,3,"24") - "89";
B.StringBuffer s = new StringBuffer("123456789");
C.sdelete(0,3).replace(1,3,";24";).delete(4,6);
D.substring(3,6).delete(1,3).insert(1, ";24";);
