org.nfunk.jep.function

Class Sum

java.lang.Object

org.nfunk.jep.function.PostfixMathCommand

org.nfunk.jep.function.Sum

All Implemented Interfaces:

PostfixMathCommandI

public class Sum
extends PostfixMathCommand

This class serves mainly as an example of a function that accepts any number of parameters. Note that the numberOfParameters is initialized to -1.

Field Summary

Fields inherited from class org.nfunk.jep.function.PostfixMathCommand

curNumberOfParameters, numberOfParameters

Constructor Summary

Constructors

Constructor and Description
Sum() Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	run(java.util.Stack stack) Calculates the result of summing up all parameters, which are assumed to be of the Double type.

Methods inherited from class org.nfunk.jep.function.PostfixMathCommand

checkNumberOfParameters, checkStack, getNumberOfParameters, setCurNumberOfParameters

Methods inherited from class java.lang.Object

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

Constructor Detail

Sum

public Sum()

Constructor.

Method Detail

run

public void run(java.util.Stack stack)
         throws ParseException

Calculates the result of summing up all parameters, which are assumed to be of the Double type.

Specified by:

run in interface PostfixMathCommandI

Overrides:

run in class PostfixMathCommand

Throws:

ParseException