Source of 2.41.java

Structures and functions

  1:    // Throws an exception if the client requests a capacity that is too large.
  2:    private void checkCapacity(int capacity)
  3:    {
  4:       if (capacity > MAX_CAPACITY)
  5:          throw new IllegalStateException("Attempt to create a bag whose " +
  6:                                          "capacity exeeds allowed " +
  7:                                          "maximum of " + MAX_CAPACITY);
  8:    } // end checkCapacity
  9: 
 10:    // Doubles the size of the array bag.
 11:    // Precondition: checkInitialization has been called.
 12:    private void doubleCapacity()
 13:    {
 14:       int newLength = 2 * bag.length;
 15:       checkCapacity(newLength);
 16:       bag = Arrays.copyOf(bag, newLength);
 17:    } // end doubleCapacity