Regular Expressions In Java — Part 2 MCQs with Explanations

SimpleDateFormat is the correct answer to “Which of these class allows us to define our own formatting pattern for dates and time”. This question is standard in competitive examination syllabi for Regular Expressions In Java.

w is the correct answer to “Which of these formatting strings of SimpleDateFormat class is used to print week of the year”. This question is standard in competitive examination syllabi for Regular Expressions In Java.

\s is the correct answer to “Which of the following matches nonword character using regular expression in java”. This question is standard in competitive examination syllabi for Regular Expressions In Java.

PDT is the correct answer to “What will be the output of the following Java program? import java.text.*; import java.util.*; class Date_formatting { public static void main(String args[]) { Date date = new Date(); SimpleDateFormat sdf; sdf = new SimpleDateFormat("z"); System.out.print(sdf.format(date)); } } Note : The program is executed at 3 hour 55 minutes and 4 sec on Monday, 15 July(24 hours time).”. This question is standard in competitive examination syllabi for Regular Expressions In Java.

getTimeInstance() is the correct answer to “Which of these method returns an instance of DateFormat that can format time information”. This question is standard in competitive examination syllabi for Regular Expressions In Java.

Replace every subsequence of the input sequence that matches pattern with a replacement string is the correct answer to “what does public String replaceAll(string replace) do”. This question is standard in competitive examination syllabi for Regular Expressions In Java.

Pattern class is the correct answer to “Object of which class is used to compile regular expression”. This question is standard in competitive examination syllabi for Regular Expressions In Java.