单项选择题
A.0
B.1
C.4
D.Compilation fails.
单项选择题 Given that c is a reference to a valid java.io.Console object, and: 11.String pw = c.readPassword("%s", "pw: "); 12.System.out.println("got " + pw); 13.String name = c.readLine("%s", "name: "); 14.System.out.println(" got ", name); If the user types fido when prompted for a password, and then responds bob when prompted for a name,what is the result?()
多项选择题 WhichtwoscenariosareNOTsafetoreplaceaStringBufferobjectwithaStringBuilderobject?()
单项选择题 Given: 12.Date date = new Date(); 13.df.setLocale(Locale.ITALY); 14.String s = df.format(date); The variable df is an object of type DateFormat that has been initialized in line 11. What is the result if this code is run on December 14, 2000?()