Source of 13.12.java

Structures and functions

  1: public T replace(int givenPosition, T newEntry)
  2: {
  3:    checkInitialization();
  4:    if ((givenPosition >= 1) && (givenPosition <= numberOfEntries))
  5:    {
  6:       assert !isEmpty();
  7:       T originalEntry = list[givenPosition];
  8:       list[givenPosition] = newEntry;
  9:       return originalEntry;
 10:    }
 11:    else
 12:       throw new IndexOutOfBoundsException(
 13:                 "Illegal position given to replace operation.");
 14: } // end replace
 15: public T getEntry(int givenPosition)
 16: {
 17:    checkInitialization();
 18:    if ((givenPosition >= 1) && (givenPosition <= numberOfEntries))
 19:    {
 20:       assert !isEmpty();
 21:       return list[givenPosition];
 22:    }
 23:    else
 24:       throw new IndexOutOfBoundsException(
 25:                 "Illegal position given to getEntry operation.");
 26: } // end getEntry
 27: // Version 4.0