Date-101

Question 1

What is the precision limit for Date?

Answer 1

milliseconds

Question 2

By default which Timezone date class shows?

Answer 2

UTC ( Cordinated UT)

Question 3

What is the Diff b/w GMT & UT

Answer 3

GMT is civil name, UT is scientific name for same standard

Question 4

What is diff b/w UT and UTC?

Answer 4

UTC is based in atomic clock, UT is astronomical based

Question 5

How the year is represented?

Answer 5

small y

Question 6

How the date is represented?

Answer 6

1 to 31

Question 7

How is Hour is represented?

Answer 7

0-23

Question 8

How is month is represented?

Answer 8

,0-11

Question 9

ow is minute is represented?

Answer 9

0-59

Question 10

How is the second represented?

Answer 10

0-60,61

Question 11

Say some constructors of Date?

Answer 11

Date() , Date(millis) : get the time from January 1 1970 00;00;00 GMT

Question 12

Say some good methods of Date?

Answer 12

after(Date when),
before(Date when)
clone()
compareTo(Date 02)
equals(Date o2)

Question 13

Which class we should use for conversion?

Answer 13

Calendar

Question 14

What is the default toString form?

Answer 14

dow mon dd hh:mm:ss zzz yyyy

Question 15

What is the epoch?

Answer 15

1 January 1970 00;00;00

Question 16

If the parse attempt failed , which exception it throws?

Answer 16

llegalArgumentException

Question 17

What goes in parse String argument?

Answer 17

ASCII characters only

Question 18

How to specify timezone offset?

Answer 18

with + or - preceeded the number

+ = east of greewich

Question 19

Are time zone are allowed in parse string argument?

Answer 19

YEs , you my add GMT, UTC, UT , EST …

Question 20

What is the zzz represents in the default toStirng

Answer 20

zzz : Time zone