EDU.ksu.cis.calculator.javamodel
Class Divide

java.lang.Object
  |
  +--EDU.ksu.cis.calculator.javamodel.Divide

All Implemented Interfaces:

EncodedOperation, Operation

public class Divide

extends Object

implements EncodedOperation

The divide operation.

Author:

Rod Howell (howell@cis.ksu.edu)

Constructor Summary

Divide()

Method Summary

Object	doOperation(Object[] operands) Returns the result of dividing operand[0] by operand[1].
int	numOperands() Returns 2.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Divide

public Divide()

Method Detail

numOperands

public int numOperands()

Returns 2.

Specified by:

numOperands in interface Operation

doOperation

public Object doOperation(Object[] operands)
                   throws ArrayIndexOutOfBoundsException,
                          ClassCastException,
                          ArithmeticException

Returns the result of dividing operand[0] by operand[1].

Specified by:

doOperation in interface EncodedOperation

Parameters:

operands - The operands for the operation. The length of this array should match the value returned by Operation.numOperands().

Returns:

The result of the operation.

Throws:

ArrayIndexOutOfBoundsException - If operands is not of length at least 2.

ClassCastException - If the elements of operands are not both BigIntegers.

ArithmeticException - If operand[1] is zero.