java.lang.Object
- org.nuiton.jaxx.demo.fun.CalculatorEngine

public class CalculatorEngine
extends Object

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`ADD`
`static String`	`DISPLAY_TEXT_PROPERTY`
`static int`	`DIVIDE`
`static int`	`MULTIPLY`
`static int`	`RESULT`
`static int`	`SUBTRACT`

Constructor Summary

Constructors
Constructor Description

CalculatorEngine()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`add()`
`void`	`addPropertyChangeListener(PropertyChangeListener listener)`
`void`	`addPropertyChangeListener(String property, PropertyChangeListener listener)`
`void`	`clear()`
`void`	`clearEntry()`
`void`	`digit(int digit)`
`void`	`divide()`
`void`	`dot()`
`void`	`equal()`
`protected void`	`firePropertyChange(String property, Object oldValue, Object newValue)`
`String`	`getDisplayText()`
`void`	`multiply()`
`void`	`operation(int operation)`
`void`	`removePropertyChangeListener(PropertyChangeListener listener)`
`void`	`removePropertyChangeListener(String property, PropertyChangeListener listener)`
`void`	`setDisplayText(String displayText)`
`void`	`subtract()`
`void`	`toggleSign()`
`static String`	`toString(BigDecimal decimal)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail
- DISPLAY_TEXT_PROPERTY
```
public static final String DISPLAY_TEXT_PROPERTY
```
  See Also:
  
  Constant Field Values
- ADD
```
public static final int ADD
```
  See Also:
  
  Constant Field Values
- SUBTRACT
```
public static final int SUBTRACT
```
  See Also:
  
  Constant Field Values
- MULTIPLY
```
public static final int MULTIPLY
```
  See Also:
  
  Constant Field Values
- DIVIDE
```
public static final int DIVIDE
```
  See Also:
  
  Constant Field Values
- RESULT
```
public static final int RESULT
```
  See Also:
  
  Constant Field Values

Constructor Detail
- CalculatorEngine
```
public CalculatorEngine()
```

Method Detail

getDisplayText
```
public String getDisplayText()
```

setDisplayText

public void setDisplayText(String displayText)

clear
```
public void clear()
```

clearEntry
```
public void clearEntry()
```

digit
```
public void digit(int digit)
```

dot
```
public void dot()
```

toggleSign
```
public void toggleSign()
```

equal
```
public void equal()
```

toString

public static String toString(BigDecimal decimal)

operation

public void operation(int operation)

add
```
public void add()
```

subtract
```
public void subtract()
```

multiply
```
public void multiply()
```

divide
```
public void divide()
```

addPropertyChangeListener

public void addPropertyChangeListener(PropertyChangeListener listener)

addPropertyChangeListener

public void addPropertyChangeListener(String property,
                                      PropertyChangeListener listener)

removePropertyChangeListener

public void removePropertyChangeListener(PropertyChangeListener listener)

removePropertyChangeListener

public void removePropertyChangeListener(String property,
                                         PropertyChangeListener listener)

firePropertyChange

protected void firePropertyChange(String property,
                                  Object oldValue,
                                  Object newValue)

Class CalculatorEngine

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

DISPLAY_TEXT_PROPERTY

ADD

SUBTRACT

MULTIPLY

DIVIDE

RESULT

Constructor Detail

CalculatorEngine

Method Detail

getDisplayText

setDisplayText

clear

clearEntry

digit

dot

toggleSign

equal

toString

operation

add

subtract

multiply

divide

addPropertyChangeListener

addPropertyChangeListener

removePropertyChangeListener

removePropertyChangeListener

firePropertyChange