final int DAYS_PER_WEEK = 7;
final int WEEKS_PER_YEAR = 52;

double[][] minTemps = new
                      double[DAYS_PER_WEEK][WEEKS_PER_YEAR];


// minTemps is a two-dimensional array of daily minimum 
// temperatures for 52 weeks, where each column of the
// array contains temperatures for one week.

// initially, assume the lowest temperature is 
// first in the array
double lowestTemp = minTemps[0][0];
int dayOfWeek = 0;
int weekOfYear = 0;

// search array for lowest temperature
for (int weekIndex = 0; weekIndex < WEEKS_PER_YEAR; 
                                         ++weekIndex) {
  for (int dayIndex = 0; dayIndex < DAYS_PER_WEEK;
                                         ++dayIndex) {
    if (lowestTemp > minTemps[dayIndex][weekIndex]) {
      lowestTemp = minTemps[dayIndex][weekIndex];
      dayOfWeek = dayIndex;
      weekOfYear = weekIndex;
    }  // end if
  } // end for
} // end for
// Assertion: lowestTemp is the smallest value in
// minTemps and occurs on the day and week given by
// dayOfWeek and weekOfYear; that is, lowestTemp ==
// minTemps[dayOfWeek][weekOfYear].