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- write the java mini project and upload the code .class as like this and also provide the screenshot of the code. use these method for insert ,remove and search public boolean insertBook(Book b) { for(int i=0; i<books.length; i++) { if(books[i] == null) { books[i] = b; return true; } } return false; } public boolean removeBook(Book b) { for(int i=0; i<books.length; i++) { if(books[i].getIsbn().equalsIgnoreCase(b.getIsbn())) { for(int j=i; j<books.length-1; j++) { books[j] = books[j+1]; } return true; } } return false; } public Book searchBook(String isbn) { for(int i=0; i<books.length; i++) { if(books[i] != null) {…Write a program in the Java language requires the management of university students, where student data (name, student number, and specialization) are saved, and then he can add and delete study materials for the current semester, and you can also add the grade for each subject (with the addition of the final code for the degree automatically).Note: The class principle is used to solve this assignment.Implement the design of the Patient class so that the following output is produced:[For BMI, the formula is BMI = weight/height^2, where weight is in kg and height inmeters] Driver Code # Write your code herep1 = Patient("A", 55, 63.0, 158.0)p1.printDetails()print("====================")p2 = Patient("B", 53, 61.0, 149.0)p2.printDetails() Output
- An obvious continuation is to use random numbers to create namesfor the stars and planets. Instead of creating random strings of characters, names usually follow certain rules. Select a set of real-world names (e.g. from J.R.R. Tolkien’sworld) and invent a set of rules that they follow. Design and implement a methodthat creates new names based on the set of rules and random numbers.can you solve this please? Adopt appropriate Java animation code to implement the video in the file “test4.wmv” and given that the parametric equation for a circle. x=r*cos(t) y=r*sin(t) with t in range [0, 2p] and r is the radius of the circle. (the circle goes in a loop like in the images, i did my best to try to explain it , please try to do it ) and here is a sample of what they want me to use : package javaapplication1;import java.awt.*;import java.awt.event.*;import javax.swing.*;import java.awt.geom.*;import java.util.Random;import javax.imageio.*;import java.io.File;import java.io.IOException;import java.awt.image.BufferedImage;import java.awt.event.*;import java.util.Calendar; public class JavaApplication1 extends JApplet { public static void main(String[] args) { JFrame frame=new JFrame(); frame.setTitle("hello"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JApplet applete =new JavaApplication1(); applete.init();…Implement a class Moth that models a moth flying along a straight line. The moth has a position, which is the distance from a fixed origin. When the moth moves toward a point of light, its new position is halfway between its old position and the position of the light source. Supply a constructor Public Moth(double initialPosition) and methods pubc void moveToLight(double 1ightPosition) public double getpsition() Your MothTester should construct a moth, move it toward a couple of light sources, and check that the moth's position is as expected.
- Write a program that displays heads (H) or tails (T) for each of ninecoins, as shown in Figure 12.31c–d. When a cell is clicked, the coin is flipped.Write a custom cell class that extends Label. In the initializer of the class, bindthe event <Button-1> with the method for flipping the coin. When the program starts, all cells initially display H.Java allows for methods to be chained together. Consider the following message from the captain of a pirate ship: String msg1 = " Maroon the First Mate with a flagon of water and a pistol! "; We want to change the message to read the message msg1: String msg2= “Maroon the Quartermaster with a flagon of water.” Three changes need to be made to adjust the string as desired: Trim the leading and trailing whitespace. Replace the substring First Mate with Quartermaster. Remove "and a pistol!" Add a period at the end of the sentence. A “chaining1” method which will apply in sequence 4 operations to perform the above. We will use the trim, replace, and substring methods, in this order. Thus the chaining1 method will receive a string msg1 and return a string msg2. Make sure msg2 is printed. A “chaining2” method which will apply the 4 operations above in one single statement. Thus the chaining2 method will receive a string msg1 and return as string msg2. Make sure msg2 is printedJava allows for methods to be chained together. Consider the following message from the captain of a pirate ship: String msg1 = " Maroon the First Mate with a flagon of water and a pistol! "; We want to change the message to read the message msg1: String msg2= “Maroon the Quartermaster with a flagon of water.” Three changes need to be made to adjust the string as desired: Trim the leading and trailing whitespace. Replace the substring First Mate with Quartermaster. Remove "and a pistol!" Add a period at the end of the sentence. Need a java file Chaining.java that will declare the above and creates two methods to do the followings: A “chaining1” method which will apply in sequence 4 operations to perform the above. We will use the trim, replace, and substring methods, in this order. Thus the chaining1 method will receive a string msg1 and return a string msg2. Make sure msg2 is printed. A “chaining2” method which will apply the 4 operations above in one single statement. Thus the…
- Implement a new concat method in the String class you worked on for HW2. The method should return a new String object that represents the text you would end up with if the argument String were "added onto the end of" this String. For example, in the code below, the String object answer should represent the text "bookstore" and true should be printed the screen. char[] bookA = {'b', 'o', 'o', 'k'}; char[] storeA = {'s', 't', 'o', 'r', 'e'}; char[] bookstoreA = {'b', 'o', 'o', 'k', 's', 't', 'o', 'r', 'e'}; String book = new String(bookA); String store = new String(storeA); String bookstore = new String(bookstoreA); String answer = book.concat(store); System.out.println(answer.equals(bookstore)); In the text area below, type in your definition of the concat method. (In other words, type in the code that should replace the //TODO comment.) Your code cannot call any methods. public class String { private char[] data; public String(char[] value) { data = new…Write Java class named sample that builds a sports team roster. First, ask the user for a list of names one by one, and add those to the roster. You should stop asking for names when the user enters 'stop'. Then, print the roster. Then make 'cuts' to the roster by asking the user for a letter, and cutting anyone who's name starts with that letter (capital or lowercase).Implement a class that simulates a traffic light. The next method advances the color in the usual way, from green to yellow to red, then again to green. Provide two constructors, as described in the documentation of the public interface. Also supply a method that yields the number of times that this traffic light has been red. /** A simulated traffic light.*/public class TrafficLight{ private String color; private int reds; /** Constructs a green traffic light. */ public TrafficLight() { /* Your code goes here */ } /** Constructs a traffic light. @param initialColor the initial color "green", "yellow", or "red" */ public TrafficLight(String initialColor) { /* Your code goes here */ } /** Moves this traffic light to the next color. */ public void next() { /* Your code goes here */ } /** Returns the current color of this traffic light. @return the current color */ public String getColor() {…