Challange:Date of birth and Day!

Question

Design a program which accepts your date of birth in dd/mm/yyyy format and check whether the entered date is valid or not.If it's valid, display VALID DATE also compute and display the day number of the year for the date of birth.If it is invalid then display INVALID DATE
Example:
Input:Enter date of birth in dd/mm/yyyy format
03/04/2017
Output:
VALID DATE
93 day of the year
Input:
34/24/2010
Output:
INVALID
Hope you understood happy coding!
🎉🎊🎉🎊

Answer 1

https://code.sololearn.com/cVVik1y46rn8

Answer 2

https://code.sololearn.com/cmbg8XIC4ndR/#java

Answer 3

https://code.sololearn.com/cnfGEnsULrcA/?ref=app

Answer 4

Hopefully my solution fulfill the challange's requirement ^_^

https://code.sololearn.com/W8Z2VMWrxk4f