MCQs
Total Questions : 10
Question 1.
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));
}
}
What is the output of this 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).
Answer: Option D. -> PDT
format string "z" is used to print time zone.
Output:
$ javac Date_formatting.java
$ java Date_formatting
PDT
Question 2.
import java.text.*;
import java.util.*;
class Date_formatting {
public static void main(String args[]) {
Date date = new Date();
SimpleDateFormat sdf;
sdf = new SimpleDateFormat("E MMM dd yyyy");
System.out.print(sdf.format(date));
}
}
What is the output of this 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("E MMM dd yyyy");
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).
Answer: Option A. -> Mon Jul 15 2013
None.
Output:
$ javac Date_formatting.java
$ java Date_formatting
Mon Jul 15 2013
Question 3.
import java.text.*;
import java.util.*;
class Date_formatting {
public static void main(String args[]) {
Date date = new Date();
SimpleDateFormat sdf;
sdf = new SimpleDateFormat("hh:mm:ss");
System.out.print(sdf.format(date));
}
}
What is the output of this 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("hh:mm:ss");
System.out.print(sdf.format(date));
}
}
Note : The program is executed at 3 hour 55 minutes and 4 sec (24 hours time).
Answer: Option D. -> 03:55:04
The code "sdf = new SimpleDateFormat("hh:mm:ss");" create a SimpleDataFormat
Question 4.
import java.text.*;
import java.util.*;
class Date_formatting {
public static void main(String args[]) {
Date date = new Date();
SimpleDateFormat sdf;
sdf = new SimpleDateFormat("mm:hh:ss");
System.out.print(sdf.format(date));
}
}
What is the output of this 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("mm:hh:ss");
System.out.print(sdf.format(date));
}
}
Note : The program is executed at 3 hour 55 minutes and 4 sec (24 hours time).
Answer: Option C. -> 55:03:04
None.
Output:
$ javac Date_formatting.java
$ java Date_formatting
55:03:04
Answer: Option A. -> w
By using format string "w" we can print week in a year whereas by using 'W' we
Answer: Option A. -> a
By using format string "a" we can print AM/PM in time.
Answer: Option B. -> SimpleDateFormat
The DateFormat is a concrete subclass of DateFormat. It allows you to define your
own formatting patterns that are used to display date and time information.
Answer: Option A. -> java.text
java.text allows formatting, searching and manipulating text.
Answer: Option C. -> DateFormat
DateFormat is an abstract class that provides the ability to format and parse
dates and times.
Answer: Option B. -> getTimeInstance()
getTimeInstance() method returns an instance of DateFormat that can format
time information.
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