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1.25M
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static boolean isAssociativeSequence(String str) { if (null == str || str.isEmpty()) { return false; } char firstChar = str.charAt(0); if ('+' != firstChar && '*' != firstChar) { return false; } for (Character character : str.toCharArray()) {...
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static String[] splitAndGetAsArray(String str) { if (null == str || str.isEmpty()) { return new String[0]; } String[] res = new String[str.length()]; int index = 0; for (Character character : str.toCharArray()) { res[index++] = Character.toString(char...
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static String[] getOperands() { Scanner scanner = new Scanner(System.in); int size; System.out.println("Enter the number of elements!"); size = scanner.nextInt(); if (0 >= size) { throw new RuntimeException("invalid size: " + size); } int index = ...
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public static void main(String[] args) { EvalSumAccumulator accumulator = new EvalSumAccumulator(); String[] operands = getOperands(); List<String> assocs = new AssociationGenrator(operands).getAssociations(); List<String> opSeqs = new OperatorSequenceGenrator(operands.length - 1).ge...
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public int eval(String infix) { return evaluatePostfix(convertToPostfix(infix)); }
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private String convertToPostfix(String infixExpression) { char[] tokens = infixExpression.toCharArray(); Stack<Character> stack = new Stack<>(); StringBuilder postfixBuilder = new StringBuilder(infixExpression.length()); for (char c : tokens) { if (isOperator(c)) { ...
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private int evaluatePostfix(String postfixExpr) { char[] chars = postfixExpr.toCharArray(); Stack<Integer> stack = new Stack<>(); for (char operator : chars) { if (isOperand(operator)) { stack.push(operator - '0'); } else if (isOperator(operator)) { ...
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private int getPrecedence(char operator) { int ret = 0; if (operator == '-' || operator == '+') { ret = 1; } else if (operator == '*' || operator == '/') { ret = 2; } return ret; }
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private boolean operatorGreaterOrEqual(char op1, char op2) { return getPrecedence(op1) >= getPrecedence(op2); }
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private boolean isOperator(char val) { return possibleOperators.indexOf(val) >= 0; }
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private boolean isOperand(char val) { return possibleOperands.indexOf(val) >= 0; }
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public AppTest( String testName ) { super( testName ); }
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public static Test suite() { return new TestSuite( AppTest.class ); }
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public void testApp() { assertTrue( true ); }
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T apply(T op1, T op2);
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default int getPrecedence() { return 5; }
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default T compose(final ComposableOperation<T> nextOperation, final T accOp1, final T accOp2, final T bridgeOp) { return getPrecedence() < nextOperation.getPrecedence() ? apply(nextOperation.apply(accOp1, accOp2), bridgeOp) ...
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public static <T> T doOperation(final Operation<T> operation, final T op1, final T op2) { return operation.apply(op1, op2); }
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static Operation<Integer> getIntDiffOperation() { return ((op1, op2) -> op1 - op2); }
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public static int multiply(final int op1, final int op2) { return op1 * op2; }
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int mod(final int op1, final int op2) { return op1 % op2; }
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public static void main(final String... args) { final Integer operand1 = 1, operand2 = 2, operand3 = 3; final Integer sum = LambdaFunction.<Integer>doOperation((op1, op2) -> op1 + op2, operand1, operand2); final Integer diff = LambdaFunction.doOperation(getIntDiffOperation(), operand1, opera...
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@Override public Integer apply(final Integer op1, final Integer op2) { return op1 * op2; }
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@Override public int getPrecedence() { return 6; }
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public Node(T data) { this.data = data; }
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public Stream<Node<T>> stream() { return StreamSupport.stream(new Supplier<Spliterator<Node<T>>>() { @Override public Spliterator<Node<T>> get() ...
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@Override public Spliterator<Node<T>> get() { return new Spliterator<Node<T>>() { @O...
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@Override public boolean tryAdvance(Consumer<? super Node<T>> action) { action.accept(Node.this); return...
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@Override public Spliterator<Node<T>> trySplit() { return null; }
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@Override public long estimateSize() { return 0; }
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@Override public int characteristics() { return Spliterator.ORDERED | Spliterator.IMMUTABLE; }
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public static void main(String[] args) { final Consumer<Node<Integer>> nodeSumConsumer = (node) -> { }; final Node<Integer> root = new Node<>(2); root.leftTree = new Node<>(1); root.rightTree = new Node<>(3); root.rightTree.rightTree = new Node<>(4); root.str...
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public InfiniteStream(final Supplier<T> supplier) { this.supplier = supplier; }
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@Override public boolean tryAdvance(Consumer<? super T> action) { action.accept(supplier.get()); return true; }
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@Override public Spliterator<T> trySplit() { return null; }
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@Override public long estimateSize() { return -1; }
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@Override public int characteristics() { return Spliterator.ORDERED | Spliterator.NONNULL | Spliterator.IMMUTABLE; }
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public static void main(String[] args) { final int sumOf100RandomNumers = Util.infiniteRandomPositiveIntegers(1000).limit(100).reduce(0, (acc, x) -> acc + x); System.out.println("SUM(100 random integers): " + sumOf100RandomNumers); final Supplier<String> bigStringSupplier ...
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public static Stream<Integer> naturalNumbers() { return StreamSupport.stream(new InfiniteStream<Integer>(new Supplier<Integer>() { int nextNaturalNumber = 0; @Override public Integer get() { return ++nextNaturalNumber; } ...
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@Override public Integer get() { return ++nextNaturalNumber; }
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public static Stream<Integer> infiniteRandomPositiveIntegers(final int maxInt) { return Stream.generate(() -> new Random().nextInt(maxInt)); }
0bf0ea45-255d-46b0-a11d-3347e6b58002
public TextArea(ManagedPApplet i_Parent, int width, int height, Point i_TopLeft) { super(i_Parent); this.m_width = width; this.m_height = height; this.m_TopLeft = i_TopLeft; setVisible(false); setEnabled(false); }
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@Override public void update(long ellapsedTime) { this.m_DisplayTimeLeft -= ellapsedTime; // System.out.println("Display time left " + this.m_DisplayTimeLeft); // System.out.println("fade in time? " + (this.m_DisplayTimeLeft > this.m_TotalDisplayTime - this.m_introTime) ); // fade out if (this.m_Displa...
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@Override public void draw(long ellapsedTime) { this.m_Parent.rectMode(this.m_Parent.CORNER); this.m_Parent.fill(255, this.m_Alpha); this.m_Parent.rect(m_TopLeft.x, m_TopLeft.y, this.m_width, this.m_height, 7); this.m_Parent.noStroke(); this.m_Parent.fill(0); this.m_Parent.textAlign(this.m_Parent.TOP, t...
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public void displayMessage(String i_Title, String[] i_Messages, int i_Time) { this.m_DisplayTimeLeft = i_Time + this.m_introTime * 2; this.m_TotalDisplayTime = i_Time + this.m_introTime * 2; this.m_Title = i_Title; this.m_Messages = i_Messages; if (i_Messages != null) { System.out.println("new message...
d5411a0b-9511-455d-95f7-a945a71fda41
public void setup() { super.setup(); // set size and framerate size (displayWidth, displayHeight); // frame.setResizable(true); frameRate(FRAMERATE); // load images, fonts, sounds... this.loadContent(); // set graphics options ellipseMode(CENTER); this.setBackgroundColor(BACKGROUND_COLOR); //...
376af244-8fb2-4411-a759-0e053eddfc0b
private void loadContent() { // load images: m_LegendImage = loadImage (LEGEND_IMAGE); m_TitleImage = loadImage(TITLE_IMAGE); m_SearchImage = loadImage(SEARCH_IMAGE); // load font m_Font = createFont("Georgia", 18); textFont(m_Font); }
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@Override public void pre() { // if demo mode is not enabled, aggregate idleTime if (!this.m_AutoPlayingManager.Enabled()) { this.m_IdleTime += (millis() - this.m_PrevUpdateTime); // Activate demo mode if max idle time reached if (this.m_IdleTime >= AutoPlayingManager.IDLE_USER_TIME) { this.m_A...
6beec7c2-a7ad-4090-b9d5-445970706d73
public void draw() { super.draw(); // draw title images // image(m_LegendImage, 10,530); image(m_TitleImage, 10, 20); image(m_SearchImage, -25, 50); // draw search: text(m_UserInput, 30, 85); }
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@Override protected void drawBackground() { super.drawBackground(); if (DRAW_STROKES) { for (int row=0; row<5000; row=row+20) { stroke(BACKGROUND_STROKE_COLOR.getRed(), BACKGROUND_STROKE_COLOR.getGreen(), BACKGROUND_STROKE_COLOR.getBlue()); strokeWeight(1); line(0,row,row,0); } }...
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@Override public void mouseClicked (MouseEvent e) { super.mouseClicked(e); this.m_AutoPlayingManager.setEnabled(false); }
4e43cffe-13d5-4fe0-9e9c-b1c6db66ba4c
@Override public void mouseWheelMoved(MouseWheelEvent e) { // TODO Auto-generated method stub super.mouseWheelMoved(e); }
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protected void handleMouseEvent(MouseEvent e) { super.handleMouseEvent(e); // reset idle time if mouse event happened this.m_IdleTime = 0; // disable demo mode if needed if (this.m_AutoPlayingManager.Enabled()) { this.m_AutoPlayingManager.Deactivate(); } }
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public Sound[] getSounds() { return this.m_Sounds; }
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static public void main(String[] passedArgs) { String[] appletArgs = new String[] { "--full-screen", "--bgcolor=#666666", "--stop-color=#cccccc", "Main" }; // String[] appletArgs = new String[] { "Main" }; if (passedArgs != null) { PApplet.main(concat(appletArgs, passedArgs)); } else { PApplet.main(apple...
03ee7fab-a043-4675-8527-187ad4984fc3
public Pulse(PVector i_Origin, float i_Diameter, Color i_Color, long i_LifeTime, Main i_Parent) { super(i_Parent); this.m_Origin = i_Origin; this.m_Diameter = i_Diameter; this.m_OriginalDiameter = i_Diameter; this.m_Color = i_Color; this.m_ParentApp = i_Parent; // TODO: support lifetime in calcula...
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@Override public void update(long elapsedTime) { this.m_LifeTime -= elapsedTime; // If circle is not too old and still visible (alpha > 0) if (this.m_LifeTime > 0 && this.m_Alpha > 0) { // grow and fade the circle this.grow(elapsedTime); this.fade(elapsedTime); } else { // get rid of circ...
72f42cb5-1578-4e02-a579-c917f7cc88b2
@Override public void draw(long elapsedTime) { this.m_ParentApp.stroke(this.m_Color.getRGB(), this.m_Alpha); this.m_ParentApp.noFill(); this.m_ParentApp.ellipse(this.m_Origin.x, this.m_Origin.y, this.m_Diameter, this.m_Diameter); }
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public boolean isDead() { return this.m_dead; }
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private void fade(float elapsedTime) { this.m_Alpha -= (this.m_fadePerSecond * elapsedTime / 1000f); // ensure alpha is not negative if (this.m_Alpha <= 0) { this.m_Alpha = 0; } }
9f1f473d-38f5-4ee8-9243-877af20f65d4
private void grow(float elapsedTime) { this.m_Diameter += this.m_growthPerSecond * elapsedTime / 1000f; this.m_growthPerSecond += this.m_acceleration * elapsedTime / 1000f; }
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public AutoPlayingManager(Main i_Parent) { super(i_Parent); this.m_MainParent = i_Parent; // Set initial wait time from starting Demo mode // to playing first sound generateNewStopTime(); this.m_delayTime = 2000; }
6d749b75-2fc4-4f50-a03a-00dd58f2d6ca
private void generateNewStopTime() { this.m_TimeToStop = (int) this.m_MainParent.random(MINIMUM_TIME_BETWEEN_ACTIVATIONS, MAXIMUM_TIME_BETWEEN_ACTIVATIONS); }
ef844c55-75f5-4f72-89c0-adee05f9d2a8
private void generateNewPlayTime() { this.m_TimeToPlay = (int) this.m_MainParent.random(MINIMUM_ACTIVATION_TIME, MAXIMUM_ACTIVATION_TIME); }
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@Override public void update(long ellapsedTime) { // If a sound is playing if (isPlaying()) { // keep track of playing time this.m_PlayingTime += ellapsedTime; // check if need to stop playing: if (this.m_PlayingTime > this.m_TimeToPlay) { stopPlaying(); } // If still suppos...
f54ad4c8-252b-4479-91eb-c74f5c637ef9
private void selectNextSound() { // Move to next sound in Sounds - cycle back if needed this.m_ActiveSoundIndex++; this.m_ActiveSoundIndex %= this.m_MainParent.getSounds().length; // activate the sound and generate random playing time within defined values Sound selectedSound = this.m_MainParent.getSound...
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private void stopPlaying() { generateNewStopTime(); this.m_StoppedTime = 0; this.m_Playing = false; }
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public boolean isPlaying() { return this.m_Playing; }
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@Override public void draw(long ellapsedTime) { // Draw Demo Mode message - DEBUG ONLY this.m_MainParent.fill(155); this.m_MainParent.text("Demo Mode", this.m_MainParent.width / 2, 10); }
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public void Deactivate() { this.setEnabled(false); this.setVisible(false); }
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public void Activate() { this.setEnabled(true); this.setVisible(true); }
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public void addComponent(Component i_Component) { this.m_ComponentsToAdd.add(i_Component); }
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public void removeComponent(Component i_Component) { this.m_ComponentsToRemove.add(i_Component); }
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@Override public void setup() { super.setup(); // register for pre event to manage elapsed time and call update() // on all updateables automatically registerMethod("pre", this); }
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public void pre() { // keep track of time int currentTime = millis(); int elapsedTime = currentTime - this.m_PrevUpdateTime; // add and remove components as needed // separated from addComponent to allow subclasses of Component // to call addComponent at any time without // risking ConcurrentModific...
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@Override public void draw() { // keep track of time int currentTime = millis(); int elapsedTime = currentTime - this.m_PrevDrawTime; drawBackground(); // save world coordinates pushMatrix(); // center on zoom target this.translate(0, 0); // this.translate(this.width / 2, this.height /2); //...
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private void drawZoomBar() { // set graphics settings for vertical zoom bar this.noFill(); this.stroke(this.m_ZoomBarColor.getRGB()); this.strokeWeight(5); // vertical part of zoom bar this.line(this.width - 30, this.m_ZoomBarBottom - this.m_ZoomBarHeight, this.width - 30, this.m_ZoomBarBottom); /...
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protected void drawBackground() { clear(); this.background(this.m_BackgroundColor.getRGB()); }
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public void setBackgroundColor(Color i_Color) { this.m_BackgroundColor = new Color(i_Color.getColorSpace(), i_Color.getRGBColorComponents(null), i_Color.getAlpha() / 255f); }
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@Override public void handleDeath(Object object) { this.removeComponent((Component)object); }
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private void removeComponents() { // remove all components set to be removed in ComponentsToRemove for (Component component : this.m_ComponentsToRemove) { this.m_Components.remove(component); } // clear componentsToRemove list this.m_ComponentsToRemove.clear(); }
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private void addNewComponents() { // Add all components set to be added in ComponentsToAdd for (Component component : this.m_ComponentsToAdd) { this.m_Components.add(component); } // clear componentsToAdd list this.m_ComponentsToAdd.clear(); }
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@Override public void mouseWheelMoved(MouseWheelEvent e) { super.mouseWheelMoved(e); if (this.m_ZoomEnabled) { zoom(e.getWheelRotation() < 0); } }
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@Override public void mouseClicked(MouseEvent event) { super.mouseClicked(event); if (mouseButton == RIGHT) { this.toggleZoom(); } else if (mouseButton == CENTER) { this.resetView(); } else { this.getWorldMouse(); } }
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public void zoom(boolean i_zoomIn) { float zoomStep = 0.1f; if (!i_zoomIn) { zoomStep *= -1; } this.m_Zoom *= (1 + zoomStep); this.m_Zoom = constrain(m_Zoom, MIN_ZOOM, MAX_ZOOM); if (DEBUG) { System.out.println("new zoom is " + this.m_Zoom); System.out.println("zoom-in?" + i_zoomIn);...
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@Override public void mouseDragged(MouseEvent event) { // TODO Auto-generated method stub super.mouseDragged(event); if (this.m_ZoomEnabled) { PVector translation = new PVector(mouseX - this.m_PrevMouseX, mouseY - this.m_PrevMouseY); if (DEBUG) { System.out.println("MouseX is " + mouseX);...
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@Override public void mouseMoved(MouseEvent event) { super.mouseMoved(event); // keep track of mouse location this.m_PrevMouseX = mouseX; this.m_PrevMouseY = mouseY; }
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public void enableZoom() { this.m_ZoomEnabled = true; if (DEBUG) { System.out.println("Zoom enabled"); } }
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public void disableZoom() { this.m_ZoomEnabled = false; if (DEBUG) { System.out.println("Zoom disabled"); } }
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public void toggleZoom() { if (this.m_ZoomEnabled) { this.disableZoom(); } else { this.enableZoom(); } }
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public void resetView() { this.m_Zoom = 1.0f; this.m_WorldOrigin = new PVector(0, 0); if (DEBUG) { System.out.println("View reset"); } }
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public PVector getWorldMouse() { PVector result = new PVector((mouseX - this.m_WorldOrigin.x) / this.m_Zoom, (mouseY - this.m_WorldOrigin.y) / this.m_Zoom); // if (DEBUG) // { // System.out.println("Mouse world coordinates" + result); // System.out.println("Actual mouse is on " + mouseX + " " + mouseY); // ...
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public PVector getWorldCenter() { PVector result = new PVector(); result.sub(this.m_WorldOrigin); result.add(new PVector((this.width / 2) / this.m_Zoom, (this.height /2) / this.m_Zoom)); return result; }
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public PVector calcWorldOffset(PVector i_Center, float i_ZoomFactor) { PVector result = new PVector(); result.sub(PVector.mult(i_Center, i_ZoomFactor)); result.add(new PVector((this.width / 2), (this.height / 2))); return result; }
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public void setZoom(float i_ZoomFactor) { this.m_Zoom = i_ZoomFactor; }
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public void setOffset(PVector offset) { this.m_WorldOrigin.set(offset); // System.out.println("World Origin is at " + offset); }
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public void moveToCenter(PVector i_Center, float i_ZoomFactor, int i_TimeToAnimate) { PVector targetOffset = calcWorldOffset(i_Center, i_ZoomFactor); this.m_TimeLeftForCameraAnimation = i_TimeToAnimate; this.m_OriginalAnimationTime = i_TimeToAnimate; this.m_ZoomStep = ((i_ZoomFactor - this.m_Zoom) / i_Ti...
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public void returnViewToPrevious(int i_TimeToAnimate) { this.m_OffsetStep = PVector.sub(this.m_OriginalOffset, this.m_WorldOrigin); this.m_OffsetStep.div(i_TimeToAnimate); this.m_ZoomStep = ((this.m_OriginalZoom - this.m_Zoom) / i_TimeToAnimate); this.m_TimeLeftForCameraAnimation = i_TimeToAnimate; System.o...
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public Component(ManagedPApplet i_Parent) { this.m_Parent = i_Parent; }
7ebec141-89e9-4057-bf6e-51ea23dcd971
public boolean Enabled() { return this.m_Enabled; }