com.ds.common.expression.function.math

类 UMinus

java.lang.Object

com.ds.common.expression.function.Function

com.ds.common.expression.function.math.UMinus

所有已实现的接口:

FunctionI

public class UMinus
extends Function

字段概要

从类继承的字段 com.ds.common.expression.function.Function

curNumberOfParameters, numberOfParameters

构造器概要

构造器

构造器和说明
UMinus()

方法概要

限定符和类型	方法和说明
void	run(Stack inStack) Throws an exception because this method should never be called under normal circumstances.
protected Object	umin(Object param)

从类继承的方法 com.ds.common.expression.function.Function

checkStack, getNumberOfParameters, setCurNumberOfParameters

从类继承的方法 java.lang.Object

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

构造器详细资料

UMinus

public UMinus()

方法详细资料

run

public void run(Stack inStack)
         throws ParseException

从类复制的说明: Function

Throws an exception because this method should never be called under normal circumstances. Each function should use it's own run() method for evaluating the function. This includes popping off the parameters from the stack, and pushing the result back on the stack.

指定者:

run 在接口中 FunctionI

指定者:

run 在类中 Function

抛出:

ParseException

umin

protected Object umin(Object param)
               throws ParseException

抛出:

ParseException