public class Taschenrechner
extends javax.swing.JFrame
implements java.awt.event.ActionListener, java.awt.event.WindowListener
javax.swing.JFrame.AccessibleJFramejava.awt.Window.AccessibleAWTWindow, java.awt.Window.TypeaccessibleContext, EXIT_ON_CLOSE, rootPane, rootPaneCheckingEnabledCROSSHAIR_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_CURSORBOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT| Constructor and Description |
|---|
Taschenrechner(java.lang.String windowTitle)
Konstruktur zur Initialisierung
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| 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, updateaddNotify, getCursorType, getExtendedState, getFrames, getIconImage, getMaximizedBounds, getMenuBar, getState, getTitle, isResizable, isUndecorated, remove, removeNotify, setBackground, setCursor, setExtendedState, setMaximizedBounds, setMenuBar, setOpacity, setResizable, setShape, setState, setTitle, setUndecoratedaddPropertyChangeListener, 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, toFrontadd, 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, validateTreeaction, 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, transferFocusUpCyclepublic 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.ActionListenere - 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.WindowListenere - Das WindowEventpublic void windowOpened(java.awt.event.WindowEvent e)
windowOpened in interface java.awt.event.WindowListenerpublic void windowClosed(java.awt.event.WindowEvent e)
windowClosed in interface java.awt.event.WindowListenerpublic void windowIconified(java.awt.event.WindowEvent e)
windowIconified in interface java.awt.event.WindowListenerpublic void windowDeiconified(java.awt.event.WindowEvent e)
windowDeiconified in interface java.awt.event.WindowListenerpublic void windowActivated(java.awt.event.WindowEvent e)
windowActivated in interface java.awt.event.WindowListenerpublic void windowDeactivated(java.awt.event.WindowEvent e)
windowDeactivated in interface java.awt.event.WindowListener