Doubt about the program of calculate the current day of year java

Question

I knows that sum the values the vector
sout("insert the day:");
int day = teclado.nextInt();
I use days[]={1,2,3,4,5,6,....,etc};
Int sumDays=0;
After I use
for (int i =0 ; i<days.length; i++){
days[i]=day;
sumDays += days[i];
}
The my problem is the month 29 and 28 frebuary and I think that need the one class that call the first year when came the computer if not mistake.
Can I help me?

Answer 1

there is the Calendar or Date libraries which make your life easier. Search for them