Write a recursive instance method named findBad that takes no parameters and returns a reference to a Link. The result of calling findBad is a reference to the first link that has a value greater than the next link's value. If no such link exists return null. For example, for {5→6→7→3→2} it would return a reference to the third link ("7")
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Write a recursive instance method named findBad that takes no parameters and returns a reference to a Link. The result of calling findBad is a reference to the first link that has a value greater than the next link's value. If no such link exists return null. For example, for {5→6→7→3→2} it would return a reference to the third link ("7").
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- Complete the Link class by writing methods described below. Do not use loops, or create any more methods (other than those specified), class or instance variables.public class Link{private Link next; //null if this is the last linkprivate int value;public Link(Link n, int v){next = n;value = v;}}Do not use loops, or create any more methods (other than those specified), class or instance variables. 1. Write a recursive instance method count that takes no parameters and returns an int. Return the number of links that hold the value zero, with the exception that the last link in the list is not included in the count. For example, for the linked list, {(first) 5→0→3→1→0→0 (last)} it would return the value 2.Complete the Link class by writing methods described below. Do not use loops, or create any more methods (other than those specified), class or instance variables. public class Link private Link next; //null if this is the last link private int value; public Link(Link n, int v) { next = n; value = v; } } Do not use loops, or create any more methods (other than those specified), class or instance variables. 1. Write a recursive instance method count that takes no parameters and returns an int. Return the number of links that hold the value zero, with the exception that the last link in the list is not included in the count. For example, for the linked list, {(first) 5→0→3→1→0→0 (last)} it would return the value 2.public class StairViewer public static void main(String(] args) // Step 2: Create a rectangle and draw it as the // top step of the stair // location: (20, 10) // size: (20, 20) 18 // Step 3: Create a rectangle and draw it as the 19 // middle step of the stair 20 // location: below the top step, aligned on left // size: (40, 20) 21 22 23 24 // Step 4: Create a rectangle and draw it as the 25 // bottom step of the stair 26 // location: below the middle step, aligned on left // size: (60, 20) 27 28 29 30 } 31 32
- Object Oriented Programming: 213COMP, 214COMP (Feb-2022) Assignment- I [10 marks] Academic honesty: O Only pdf file accepted & student ID, will be your upload file. O Student who submit copied work will obtain a mark of zero. O Late work or attach file by email message not allowed. Q1: Write the signature for a method that has one parameter of type String, and does not return a value. Q2: Write the signature for a method that has two parameters, both of type Student, and returns an int value. Q3: Write the constructor's headers of the followings? new Student (202101156, “Ahmed"); new Address(51, "jazan university","CS&IT" ); new Grade(true, 505235600, 4.5); Q4: a) Write a class Student that define the following information: name, stid , age. b) Explain a mutators (setters) and accessors(getters) methods for each attributes(fields). c) Add three constructors: • with empty constructor. one parameter constructor (name of student) two parameters constructor (name and stid) d) Create two…Computer Science You are required to develop a small chatting application where two or more friends can communicate each other through messages. Create a class Message which has Date d, and message (string). Provide getters/setters, constructors, toString. Create a class Friend having String name, String contact, email and ArrayList of Messages provide getters/setters, constructors, toString addMessage(Message m) method which will add new message to the list. Provide following options to the user using JFrame. Login which will help user login to the application. View Friends (Display List of All Friends) View Messages ( This should display all message of a Friend) Send message (This should ask for friend name and message match the friend name and write that message to the array list).Implement the following: Game(): This constructor creates a new chess game. Specifically, it should: – Create a new Board object– Assign the correct starting value to currentTurn. Some of the methods from the Game class: (member variables):• Board b: Keeps track of the state of the game (positions of pieces, captured status etc.). • Stack< String> moveHistory: Keeps track of every move made during a game. • Side currentTurn: Keeps track of which player’s turn it is currently. CURRENT CODE: public class Game { Board b; Stack<String> moveHistory = new Stack<String>(); Side currentTurn; public Game(){ // todo: write a constructor that initializes the game with a new board... you are also responsible for tracking whose turn it is } } COMPLETE CODE public enum Side { BLACK, WHITE; public static Side negate(Side s) { return s == Side.BLACK ? Side.WHITE : Side.BLACK; } }
- Implement the following: Game(): This constructor creates a new chess game. Specifically, it should: – Create a new Board object– Assign the correct starting value to currentTurn. Some of the methods from the Game class: (member variables):• Board b: Keeps track of the state of the game (positions of pieces, captured status etc.). • Stack< String> moveHistory: Keeps track of every move made during a game. • Side currentTurn: Keeps track of which player’s turn it is currently. CURRENT CODE: public class Game { Board b; Stack<String> moveHistory = new Stack<String>(); Side currentTurn; public Game(){ // todo: write a constructor that initializes the game with a new board // hint: you are also responsible for tracking whose turn it is } } ALREADY DONE CODE public enum Side { BLACK, WHITE; public static Side negate(Side s) { return s == Side.BLACK ? Side.WHITE : Side.BLACK; } } public class…View Assessment X abe lll- Google Drive X blackboard.uob.edu.bh/ultra/courses/ 26720 1/outline/assessment/ 672949 1/overvi Assume you have a method (shown below) inside the ArrayQueue class public void unknown() Iifsize == 0) return; int i=front; int k=rear; for(int j=0; jtoString() and equals() Methods This lab will demonstrate how the toString() and equals() methods work when they are not overridden. Type up the code and submit the BOTH results. CODE public class ObjectToString( public static void main(String[] args) { ClassOne co new ClassOne(); ClassTwo ct = new ClassTwo(); } } public class Classone { System.out.println(co); System.out.println(ct); System.out.println(co.equals(ct)); public void printfle() { System.out.println("I am from ClassOne"); } public class ClassTwo ( public void printMe() { } System.out.println("I am from ClassTwo"); Run the program and notice the output.Exercise 2. Create a Book class where: Each book contains the following information: book title book Author name, barcode (as fong integers), and book topic. o Implement an appropriate constructor(s) and all necessary get/set methods. Test Book class: o Create diffcrent book objects (at least 5 hooks) and store them in a LinkedList sorted by book barcode value Generate a unique random integer value for the barcode. Iterate through the LinkedList and print out the books' details O Create a second LinkedList object containing a copy of the above LinkedList, but in reverse order.Crack the crag def crag_score(dice): Crag (see the Wikipedia page for the scoring table needed in this problem) is a dice game similar to the more popular games of Yahtzee and Poker dice in style and spirit, but with much simpler combinatorics of roll value calculation due to this game using only three dice. Players repeatedly roll three dice and assign the resulting patterns to scoring categories so that once some roll has been assigned to a category, that category is considered to have been spent and cannot be used again for any future roll. These tactical choices between safety and risk-taking give this game a little bit more tactical flair on top of merely relying on the favours of Lady Luck for rolling the bones. Given the list of pips of the three dice of the first roll, this function should compute and return the highest possible score available when all categories of the scoring table are still available for you to choose from, so that all that matters is maximizing this…Java - Access Specifiers Create a class named Circle that has attributes radius, area, and circumference and make the attributes private. Make a public method that sets the radius and a method that prints all attributes. Ask the user input for radius. Note: Use the PI from the math functions Inputs A line containing an integer 10 Sample Output Radius: 20 Area: 1256.64 Circumference: 125.66SEE MORE QUESTIONS