public class Taschenrechner
extends javax.swing.JFrame
implements java.awt.event.ActionListener, java.awt.event.WindowListener
javax.swing.JFrame.AccessibleJFrame
java.awt.Window.AccessibleAWTWindow, java.awt.Window.Type
accessibleContext, EXIT_ON_CLOSE, rootPane, rootPaneCheckingEnabled
CROSSHAIR_CURSOR, DEFAULT_CURSOR, E_RESIZE_CURSOR, HAND_CURSOR, ICONIFIED, MAXIMIZED_BOTH, MAXIMIZED_HORIZ, MAXIMIZED_VERT, MOVE_CURSOR, N_RESIZE_CURSOR, NE_RESIZE_CURSOR, NORMAL, NW_RESIZE_CURSOR, S_RESIZE_CURSOR, SE_RESIZE_CURSOR, SW_RESIZE_CURSOR, TEXT_CURSOR, W_RESIZE_CURSOR, WAIT_CURSOR
BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT
Constructor and Description |
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Taschenrechner(java.lang.String windowTitle)
Konstruktur zur Initialisierung
|
Modifier and Type | Method and Description |
---|---|
void |
actionPerformed(java.awt.event.ActionEvent e)
ActionListener für die Buttons
|
double |
addieren(double a,
double b)
Methode zum Addieren
|
void |
calculate(java.lang.String operand)
Verarbeitet die Eingaben
|
double |
dividieren(double a,
double b)
Methode zum Dividieren
|
javax.swing.JPanel |
getCalculatorPanel()
Hilfsmethode, die das Hauptpanel zusammenbaut
|
static void |
main(java.lang.String[] args)
Einstiegspunkt für Java
|
double |
multiplizieren(double a,
double b)
Methode zum Multiplizieren
|
double |
subtrahieren(double a,
double b)
Methode zum Subtrahieren
|
void |
windowActivated(java.awt.event.WindowEvent e) |
void |
windowClosed(java.awt.event.WindowEvent e) |
void |
windowClosing(java.awt.event.WindowEvent e)
Der WindowListener
|
void |
windowDeactivated(java.awt.event.WindowEvent e) |
void |
windowDeiconified(java.awt.event.WindowEvent e) |
void |
windowIconified(java.awt.event.WindowEvent e) |
void |
windowOpened(java.awt.event.WindowEvent e) |
addImpl, createRootPane, frameInit, getAccessibleContext, getContentPane, getDefaultCloseOperation, getGlassPane, getGraphics, getJMenuBar, getLayeredPane, getRootPane, getTransferHandler, isDefaultLookAndFeelDecorated, isRootPaneCheckingEnabled, paramString, processWindowEvent, remove, repaint, setContentPane, setDefaultCloseOperation, setDefaultLookAndFeelDecorated, setGlassPane, setIconImage, setJMenuBar, setLayeredPane, setLayout, setRootPane, setRootPaneCheckingEnabled, setTransferHandler, update
addNotify, getCursorType, getExtendedState, getFrames, getIconImage, getMaximizedBounds, getMenuBar, getState, getTitle, isResizable, isUndecorated, remove, removeNotify, setBackground, setCursor, setExtendedState, setMaximizedBounds, setMenuBar, setOpacity, setResizable, setShape, setState, setTitle, setUndecorated
addPropertyChangeListener, addPropertyChangeListener, addWindowFocusListener, addWindowListener, addWindowStateListener, applyResourceBundle, applyResourceBundle, createBufferStrategy, createBufferStrategy, dispose, getBackground, getBufferStrategy, getFocusableWindowState, getFocusCycleRootAncestor, getFocusOwner, getFocusTraversalKeys, getIconImages, getInputContext, getListeners, getLocale, getModalExclusionType, getMostRecentFocusOwner, getOpacity, getOwnedWindows, getOwner, getOwnerlessWindows, getShape, getToolkit, getType, getWarningString, getWindowFocusListeners, getWindowListeners, getWindows, getWindowStateListeners, hide, isActive, isAlwaysOnTop, isAlwaysOnTopSupported, isAutoRequestFocus, isFocusableWindow, isFocusCycleRoot, isFocused, isLocationByPlatform, isOpaque, isShowing, isValidateRoot, pack, paint, postEvent, processEvent, processWindowFocusEvent, processWindowStateEvent, removeWindowFocusListener, removeWindowListener, removeWindowStateListener, reshape, setAlwaysOnTop, setAutoRequestFocus, setBounds, setBounds, setCursor, setFocusableWindowState, setFocusCycleRoot, setIconImages, setLocation, setLocation, setLocationByPlatform, setLocationRelativeTo, setMinimumSize, setModalExclusionType, setSize, setSize, setType, setVisible, show, toBack, toFront
add, add, add, add, add, addContainerListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalPolicy, getInsets, getLayout, getMaximumSize, getMinimumSize, getMousePosition, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, print, printComponents, processContainerEvent, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusTraversalKeys, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setFont, transferFocusDownCycle, validate, validateTree
action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBaseline, getBaselineResizeBehavior, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resize, resize, revalidate, setComponentOrientation, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setMaximumSize, setName, setPreferredSize, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle
public Taschenrechner(java.lang.String windowTitle)
windowTitle
- Ein Fenster Titelpublic static void main(java.lang.String[] args)
args
- Die Kommandozeilenparameterpublic void actionPerformed(java.awt.event.ActionEvent e)
actionPerformed
in interface java.awt.event.ActionListener
e
- Das ActionEventpublic void calculate(java.lang.String operand)
operand
- Welche Operation wurde geklickt?public double addieren(double a, double b)
a
- Zahl ab
- Zahl bpublic double subtrahieren(double a, double b)
a
- Zahl ab
- Zahl bpublic double multiplizieren(double a, double b)
a
- Zahl ab
- Zahl bpublic double dividieren(double a, double b)
a
- Zahl ab
- Zahl bpublic javax.swing.JPanel getCalculatorPanel()
public void windowClosing(java.awt.event.WindowEvent e)
windowClosing
in interface java.awt.event.WindowListener
e
- Das WindowEventpublic void windowOpened(java.awt.event.WindowEvent e)
windowOpened
in interface java.awt.event.WindowListener
public void windowClosed(java.awt.event.WindowEvent e)
windowClosed
in interface java.awt.event.WindowListener
public void windowIconified(java.awt.event.WindowEvent e)
windowIconified
in interface java.awt.event.WindowListener
public void windowDeiconified(java.awt.event.WindowEvent e)
windowDeiconified
in interface java.awt.event.WindowListener
public void windowActivated(java.awt.event.WindowEvent e)
windowActivated
in interface java.awt.event.WindowListener
public void windowDeactivated(java.awt.event.WindowEvent e)
windowDeactivated
in interface java.awt.event.WindowListener