code: public final void setDate(int year, int month, int day)
  	{
  		set(data, 0, YEAR, year);
  		set(data, 0, MONTH, month);
  		set(data, 0, DAY, day);
  	}
docs: Sets year, month and day of month information of the first date/time item.
  <p>
  This method does not reset other item data or discard other translation items.
  
  @param year year value, 1900 &lt;= year &lt;= 2155
  @param month month value, 1 &lt;= month &lt;= 12
  @param day day value, 1 &lt;= day &lt;= 31