Answered: Which of the following methods from the…

Which of the following methods from the java.awt.Graphics class would be used to draw the outline of a rectangle with a single method call? fillRect() O drawRect() O fillPolygon() O drawLine()

EBK JAVA PROGRAMMING

9th Edition

ISBN:9781337671385

Author:FARRELL

Publisher:FARRELL

Chapter15: Using Javafx And Scene Builder

Section: Chapter Questions

Problem 12PE

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Can you create this quick GUI? The Calculator class must instantiate the CalculatorFrame class and the CalculatorFrame class must be where the calculator gets "built". I run the Calculator class, so it must have a main method. The CalculatorFrame doesnt have a main. uses jframe. Java. Two classes. EXAMPLE EXAMPLE on how to separate into two classes: // LabelFrame.java// JLabels with text and icons.import java.awt.FlowLayout; // specifies how components are arrangedimport javax.swing.JFrame; // provides basic window featuresimport javax.swing.JLabel; // displays text and imagesimport javax.swing.SwingConstants; // common constants used with Swingimport javax.swing.Icon; // interface used to manipulate imagesimport javax.swing.ImageIcon; // loads images public class LabelFrame extends JFrame { private final JLabel label1; // JLabel with just text private final JLabel label2; // JLabel constructed with text and icon private final JLabel label3; // JLabel with added text and icon…
You are required to create above frame, Create a class HelloFrame and extend it from JFrame Inside HelloFrame declare 3 textfields for taking string input for name, email and number variables 1 textarea to write a message. Create a button “Submit” which should submit the form. Now create a public constructor for HelloFrame inside which You should call super("Hello Java"); //used to set title of the frame setSize(700, 400); //set length and width of the frame create a label which should display the method "Contact US Panel" similarly create labels for showing name, email, number. Add textfields and button to JFrame. Run the code and make sure the output should be as above frame.
Which method of the following is used to paint an image on the canvas? drawImage() drawPicture() loadPicture() paintImage()
For simple usage of GUIs, why would the source codes (shown below) not work? The input/output objects have not been properly handled. The data type of the methods has been defined in a wrong way. The necessary parameters in the methods have not been assigned properly. The flow of execution has been applied in a wrong way. import javax.swing.JOptionPane; public class Palindrome { public static void main(String[] args) //main method { long num1, num2; //variables to store the numbers String inputStr, outputStr; // strings to receive from the user // and display inputStr=JOptionPane.showInputDialog("Enter the number: "); num1 = Long.parseLong(inputStr); // change the string to num2 = num1; // numbers if (num1 <= 0) { num1 = - num1; //if the numbers are negative, change the sign inputStr = inputStr.valueOf(num1);//change the…
create a program that includes jframe,jpanel,jlabel,jfields,jtextarea,and jbutton the following input firstname last name middle name email addres code
In Blue j Create a new class named Scene.Add a main method to the Scene class that simply creates a new Scene object Add a public method named animate that has no parameter variables and returns nothing. Add two House fields to Scene. Call them house1 and house2.Add a sun field that can reference a Circle object. Add a moon field that can reference a Circle object. Create a no-arg constructor for the Scene class that creates the two House objects shown in the imagebelow. Use the methods you created in the preceding activity to position and color the houses exactlyas in the image. We will adopt the convention that house1 refers to the left house and house2 refersto the right house. Add a sun to the upper-left corner of the scene. (Create the sun object and set the color, position, andsize in the no-arg constructor.) When you run main, what appears in the resulting image should match the above…
The following java code has many errors fix them so that the gui will work and output a new window with a slider! private static void buildGui() { JFrame frame = new JFrame(); JTextArea textArea = new JTextArea(5, 20); // set default font size to 10 to match JSlider starting position textArea.setFont(new Font(textArea.getFont().getName(), textArea.getFont().getStyle(), 10)); frame.add(textArea, BorderLayout.CENTER); // set up slider JSlider slider = new JSlider(JSlider.HORIZONTAL, 10, 30, 10); slider.setMajorTickSpacing(5); slider.setMinorTickSpacing(1); slider.setPaintTicks(true); slider.setPaintLabels(true); frame.add(slider, BorderLayout.SOUTH); // create and add change listener slider.addChangeListener(new ChangeListener() { @Override public void stateChanged(ChangeEvent e) { int fontSize = slider.getValue(); Font currentFont = textArea.getFont(); // get the current font and set the modified…
Write an application that displays a JFrame containing the opening sentence from A Christmas Carol. Add a button to the frame in the JBookQuote program. When the user clicks the button, display the title of the book that contains the quote in the available JLabel using the setText() method. import javax.swing.*; import java.awt.*; import java.awt.event.*; public class JBookQuote2 extends JFrame implements ActionListener { FlowLayout flow = new FlowLayout(); JLabel msg1 = new JLabel("To begin with,"); JLabel msg2 = new JLabel("Marley was dead."); JButton button = new JButton("Click for source"); JLabel msg3 = new JLabel("** A Christmas Carol **"); public JBookQuote2() { // Write your code here } @Override public void actionPerformed(ActionEvent e) { // Write your code here } public static void main(String[] args) { JBookQuote2 aFrame = new JBookQuote2(); aFrame.setSize(260, 150);…
In blue j create a class and Add a public method named animate that has no parameter variables and returns nothing. LeaveAdd two House fields to the Scene. Call them house1 and house2.Add a sun field that can reference a Circle object.Add a moon field that can reference a Circle object.Create a no-arg constructor for the Scene class that creates the two House objects shown in the imagebelow. Use the methods you created in the preceding activity to position and color the houses exactlyas in the image. We will adopt the convention that house1 refers to the left house and house2 refersto the right house. Add a sun to the upper-left corner of the scene. (Create the sun object and set the color, position, andsize in the no-arg constructor.) In the animate method, move the sun across the sky until it moves completely off the right edge ofthe window using the slowMoveHorizontal method for the sun object. Add a call to animate in yourmain method just below the line that creates the Scene…
You are required to create above frame, Create a class HelloFrame and extend it from JFrame Inside HelloFrame declare 3 textfields for taking string input for name, email and number variables 1 textarea to write a message. Create a button “Submit” which should submit the form. Now create a public constructor for HelloFrame inside which You should call super("Hello Java"); //used to set title of the frame setSize(700, 400); //set length and width of the frame create a label which should display the "Contact US Panel" similarly create labels for showing name, email, number. Add textfields and button to JFrame. Bind and Action Listener with the button which reads the data and from the text fields and save it to File name ‘data.txt’ also show a dialog box showing “Submit button clicked, Data saved successfully”. Run the code and make sure the output should be as above frame.
How to write these methods on java on a class call ComponentBuilder UML : ComponentBuilder +static buildDataNetwork(String NetName): DataNetwork +static buildVideoNetwork(String NetName): VideoNetwork +static buildCommNetwork(String NetName): CommNetwork +static buildSite(String SiteName): Site
Using comments within the code itself, can you provide an line by line explanation of the below JavaScript file? The file itself deals with WebGl if that helps you. Please and thank you JavaScript file: "use strict"; var canvas; var gl; var positions = []; var colors = []; var numTimesToSubdivide = 3; window.onload = function init() { canvas = document.getElementById("gl-canvas"); gl = canvas.getContext('webgl2'); if (!gl) alert("WebGL 2.0 isn't available"); // // Initialize our data for the Sierpinski Gasket // // First, initialize the vertices of our 3D gasket // Four vertices on unit circle // Intial tetrahedron with equal length sides var vertices = [ vec3(0.0000, 0.0000, -1.0000), vec3(0.0000, 0.9428, 0.3333), vec3(-0.8165, -0.4714, 0.3333), vec3(0.8165, -0.4714, 0.3333) ]; divideTetra(vertices[0], vertices[1], vertices[2], vertices[3], numTimesToSubdivide); // // Configure WebGL // gl.viewport(0, 0, canvas.width, canvas.height); gl.clearColor(1.0, 1.0, 1.0,…