Explain why does ArrayIndexOutOfBoundsException occur in Java. Give example.
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Explain why does ArrayIndexOutOfBoundsException occur in Java. Give example.
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- EXPLAIN EACH OF THE FOLLOWING LINE. import java.awt.*; import java.awt.geom.*;3 .import java.awt.font.*;4. import javax.swing.*; public class Main extends JPanel{ 6. static int angdeg=0; 7. @Override 8. public void paint(Graphics g){ 9. Graphics2D g2d = (Graphics2D) g; 10.g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.V ALUE_ANTIALIAS_ON); 11. g2d.setColor(Color.white); 12. g2d.fillRect(0,0,getWidth(),getHeight()); 13. Font font = new Font("serif",Font.BOLD,50); 14. g2d.setFont(font); 15.FontRenderContext frc = g2d.getFontRenderContext(); 16.TextLayout layout = new TextLayout("JAVA", font, frc); 17. double sw = layout.getBounds().getWidth(); 18. double sh = layout.getBounds().getHeight(); 19. AffineTransform saveTransform=g2d.getTransform(); 20. g2d.setColor(Color.black); 21. Rectangle rect = this.getBounds(); 22.…3. Write the static method String[] filter(String[] strings, StringFilter filter) that applies the filter to the strings and returns an array containing the transformed string in Java. 4. Create the class CompositeStringFilter that implements the interface StringFilter. This class successively applies the filters in the array StringFilter[] filters (given as constructor argument) to s in Java.Please give a full detailed optimized solution in Java 8 for the given problem, use the example code provided as well. Please provide comments and screenshots of code and output. Also, add the time/space complexity and the reason for it.Java 8 Code Example:import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; public class Solution { public static void main(String args[] ) throws Exception { /* Enter your code here. Read input from STDIN. Print output to STDOUT */ } }
- Please help me fix the errors in the java program below import javax.swing.*; import java.awt.event.*; import java.awt.*; public class Halloween extends JFrame implements ActionListener { int hallo[][] = { { 4, 6, 2 }, { 1, 4, 3 }, { 3, 5, 2 }, { 2, 3, 5 }, { 4, 1, 3 } }; int rows = 3; int cols = 5; JButton pics[] = new JButton[rows * cols]; public Halloween() { setSize(600, 600); JPanel grid = new JPanel(new GridLayout(rows, cols)); int m = 0; for (int x = 0; x < rows; x++) { for (int y = 0; y < cols; y++) { pics[m] = new JButton(createImageIcon("back.png")); pics[m].addActionListener(this); pics[m].setActionCommand(m + ""); pics[m].setPreferredSize(new Dimension(100, 100)); grid.add(pics[m]); m++; } } add(grid); setVisible(true); } public void actionPerformed(ActionEvent ae) {}if(e.getActionCommand().equals("Reset")) { for (int m = 0; m…Using Java.StringFun.java import java.util.Scanner; // Needed for the Scanner class 2 3 /** Add a class comment and @tags 4 5 */ 6 7 public class StringFun { /** * @param args not used 8 9 10 11 12 public static void main(String[] args) { Scanner in = new Scanner(System.in); System.out.print("Please enter your first name: "); 13 14 15 16 17 18 System.out.print("Please enter your last name: "); 19 20 21 //Output the welcome message with name 22 23 24 //Output the length of the name 25 26 27 //Output the username 28 29 30 //Output the initials 31 32 33 //Find and output the first name with switched characters 34 //All Done! } } 35 36 37
- Implement the Board class. Make sure to read through those comments so that you know what is required. import java.util.Arrays; import java.util.Random; public class Board { public static final byte UR = 0; public static final byte R = 1; public static final byte DR = 2; public static final byte DL = 3; public static final byte L = 4; public static final byte UL = 5; // You need a random number generator in order to make random moves. Use rand below private static final Random rand = new Random(); /** * Construct a puzzle board by beginning with a solved board and then * making a number of random moves. Note that making random moves * could result in the board being solved. * * @param moves the number of moves to make when generating the board. */ public Board(int movement) { // TODO }Write a program Reverse.java that prompts the user to enter ten numbers, reverses an arrayby copying it to a new array and displays the numbers. The array is an attribute of the mainclass.I need this in JAVA
- PRACTICE CODE import java.util.TimerTask;import org.firmata4j.ssd1306.MonochromeCanvas;import org.firmata4j.ssd1306.SSD1306;public class CountTask extends TimerTask {private int countValue = 10;private final SSD1306 theOledObject;public CountTask(SSD1306 aDisplayObject) {theOledObject = aDisplayObject;}@Overridepublic void run() {for (int j = 0; j <= 3; j++) {theOledObject.getCanvas().clear();theOledObject.getCanvas().setTextsize(1);theOledObject.getCanvas().drawString(0, 0, "Hello");theOledObject.display();try {Thread.sleep(2000);} catch (InterruptedException e) {throw new RuntimeException(e);}theOledObject.clear();theOledObject.getCanvas().setTextsize(1);theOledObject.getCanvas().drawString(0, 0, "My name is ");theOledObject.display();try {Thread.sleep(2000);} catch (InterruptedException e) {throw new RuntimeException(e);}while (true) {for (int i = 10; i >= 0; i--)…import java.util.Scanner; public class LabProgram { /* Define your method here */ public static void main(String[] args) { Scanner scnr = new Scanner(System.in); /* Type your code here. */ }}need help finishing/fixing this java code so it prints out all the movie names that start with the first 2 characters the user inputs the code is as follows: Movie.java: import java.io.File;import java.io.FileNotFoundException;import java.util.ArrayList;import java.util.Scanner;public class Movie{public String name;public int year;public String genre;public static ArrayList<Movie> loadDatabase() throws FileNotFoundException {ArrayList<Movie> result=new ArrayList<>();File f=new File("db.txt");Scanner inputFile=new Scanner(f);while(inputFile.hasNext()){String name= inputFile.nextLine();int year=inputFile.nextInt();inputFile.nextLine();String genre= inputFile.nextLine();Movie m=new Movie(name, year, genre);//System.out.println(m);result.add(m);}return result;}public Movie(String name, int year, String genre){this.name=name;this.year=year;this.genre=genre;}public boolean equals(int year, String genre){return this.year==year&&this.genre.equals(genre);}public String…
