Java Doc for CalculatorManagerImpl.java in  » J2EE » Enhydra-Demos » calculator » business » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » Enhydra Demos » calculator.business   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    calculator.business.CalculatorManagerImpl CalculatorManagerImpl public class CalculatorManagerImpl implements CalculatorManager(Code) Method Summary public  void addDigit(SessionData sd, String button)      Add a digit to the current display. public  void addPoint(SessionData sd)      Add a decimal point to the current display. public  void clear(SessionData sd)      public  void doEquals(SessionData sd)      If there is a "pending number" (not in the current display), and there is a "pending operation" (add, subtract etc...), then use them and the current contents of the display and do some math. public  void doFunction(SessionData sd, String op)      Remember that a math function was pushed. public  void negate(SessionData sd)      Flip the sign of the number currently in the display. Method Detail addDigit public void addDigit(SessionData sd, String button) throws KeywordValueException(Code) Add a digit to the current display. We might be looking at a "stale" number (if overwrite is set). If so, then clear the display and save the current number for later use. addPoint public void addPoint(SessionData sd) throws KeywordValueException(Code) Add a decimal point to the current display. If it already has a decimal point, then do nothing. clear public void clear(SessionData sd) throws KeywordValueException(Code) doEquals public void doEquals(SessionData sd) throws KeywordValueException(Code) If there is a "pending number" (not in the current display), and there is a "pending operation" (add, subtract etc...), then use them and the current contents of the display and do some math. Leave the result in the current display. doFunction public void doFunction(SessionData sd, String op) throws KeywordValueException(Code) Remember that a math function was pushed. negate public void negate(SessionData sd) throws KeywordValueException(Code) Flip the sign of the number currently in the display. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)