Method Detail

• clear

  void clear()

  Sets all counters to zero.

• getEntry

  int getEntry​(int index)

  Returns the counter value for the given index.

  Parameters:

  index - the zero-based index of the desired counter value

  Returns:

  the counter value

  Throws:

  IllegalArgumentException - if the argument is not a valid index

• getMaxValue

  int getMaxValue()

  Returns the maximum allowed index. The minimum is always 0.

  Returns:

  the maximum index value

• getNumUsedEntries

  int getNumUsedEntries()

  Returns the number of used entries (those entries with a counter value larger than zero).

  Returns:

  number of non-zero counter values

• increaseEntry

  void increaseEntry​(int index)

  Increases the counter value of the given index by one. Same semantics as setEntry(index, getEntry(index) + 1);

  Parameters:

  index - index into the histogram

  Throws:

  IllegalArgumentException - if the argument index is invalid

• setEntry

  void setEntry​(int index,
                int newValue)

  Sets one counter to a new value.

  Parameters:

  index - index of the counter to be changed

  newValue - new value for that counter

  Throws:

  IllegalArgumentException - if the index is invalid