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  1. import java.util.GregorianCalendar;
  2.  
  3. class Ideone
  4. {
  5. public static void main (String[] args)
  6. {
  7. int month =7;
  8. int year = 2017;
  9. int day= 15;
  10.  
  11. month --;
  12.  
  13. birthDay.set(year,month, day);
  14.  
  15. int weekday = birthDay.get(GregorianCalendar.DAY_OF_WEEK);
  16.  
  17.  
  18.  
  19. String weekDay = String.valueOf(weekday -1);
  20.  
  21. weekDay = weekDay.replace("0","Sunday.");
  22. weekDay = weekDay.replace("1","Monday.");
  23. weekDay = weekDay.replace("2","Tuesday.");
  24. weekDay = weekDay.replace("3","Wednesday.");
  25. weekDay = weekDay.replace("4","Thursday.");
  26. weekDay = weekDay.replace("5","Friday.");
  27. weekDay = weekDay.replace("6","Saturday.");
  28.  
  29.  
  30. System.out.println("You were born on a " +(weekDay));
  31. }
  32.  
  33.  
  34. }
Success #stdin #stdout 0.07s 4386816KB
stdin
Standard input is empty
stdout
You were born on a Saturday.