public Week(int week,int year){
  if ((week < FIRST_WEEK_IN_YEAR) && (week > LAST_WEEK_IN_YEAR)) {
    throw new IllegalArgumentException("The 'week' argument must be in the range 1 - 53.");
  }
  this.week=(byte)week;
  this.year=(short)year;
  peg(Calendar.getInstance());
}

public Week ( int week , int year ) { if ( ( week < FIRST_WEEK_IN_YEAR ) && ( week > LAST_WEEK_IN_YEAR ) ) { throw new IllegalArgumentException ( "The 'week' argument must be in the range 1 - 53." ) ; } this . week = ( byte ) week ; this . year = ( short ) year ; peg ( Calendar . getInstance ( ) ) ; }
creates a time period representing the week in the specified year .
