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Java Date and Time

  • RodneyShag
     + 3 comments

    Java solution - passes 100% of test cases

    Use LocalDate (available in Java 8 but not Java 7) instead of Calendar. It's simpler.

    import java.util.Scanner;
import java.time.LocalDate;

public class Solution {

    public static void main(String[] args) {
        /* Read input */
        Scanner scan = new Scanner(System.in);
        int month = scan.nextInt();
        int day   = scan.nextInt();
        int year  = scan.nextInt();
        scan.close();
        
        /* Create LocalDate instance */
        LocalDate date = LocalDate.of(year, month, day);
        System.out.println(date.getDayOfWeek());
    }
}

    From my HackerRank Java solutions.