Quiz on Java Date and Time

Which method in Java is used to return the Hashcode of the invoked object ?

class Time {

public static void main ( String args [ ] )

{

Time object = new Time.now();

System.out.println(object);

}

}

What will be the output of the program ?

class Formatter {

public static void main ( String args [ ] )

{

Date date = new Date();

simpleDateFormat form = new simpleDateFormat(“dd:ss;yyyy”);

System.out.println(form.format(date));

}

}

Date = 25th august 2021

What will be the output of the program ?

Which of the following classes is used to format the Date and time in Java ?

 class Yesterday {

public static void main ( String args [ ] )

{

Date date = new Date.now();

Date yesterday = date.minus(1);

System.out.println(yesterday);

}

}

Date = 25/08/2021

What will be the output of the program ?

 class LeapYear {

public static void main ( String args [ ] )

{

Date date = new Date(“20:08.2020”);

System.out.println(date.isLeapYear());

}

}

What is the output of the program ?

What is the output of the program ?

Which of the following is not a package for Date and Time ?

Class Testing {

public static void main ( String args [ ] )

{

Date date = new Date(“25/08/2021”);

boolean value = date.isLeapyear();

if(value==true)

{

System.out.println(“The given date is a leap year”);

}

else {

System.out.println(“The given date is not a leap year”);

}

}

}

What is the output of the program ?

class Timing {

public static void main ( String args [ ] )

{

Time time = new Time.of(21,54,50);

System.out.println(time);

}

}

What will be the output of the program ?

What is the function of the String toString() method in Java ?

class Date {

public static void main ( String args [ ] )

{

LocalDate date = new Date.now();

LocalDate date2 = date.plusDays(2);

System.out.println(date2);

}

}

What is the output of the program ?

class DateFormatter {

public static void main ( String args [ ] )

{

Date date = new Date.now();

SimpleDateFormat syntax = new SimpleDateFormat(“yyyy.MM.dd”);

System.out.println(“syntax.format(date));

}

}

If today is 25th august of 2021 how will the date be printed ?

Which of the following is the parameter to be passed for a String format() method ?

 class Demo {

public static void main ( String args [ ] )

{

System.out.println(Date);

}

}

What is the error in the program ?

Class Date {

public static void main ( String args [ ] )

{

Date dateobj = new Date();

System.out.println(dateobj.toString());

}

}

What will be the output of the program ?