Suppose there is a class named Frame with attributes x,and color of type int, String. Override the equals method for this class. Two Frame objects are equals if their x, and color attributes are the same.

Suppose there is a class named Frame with attributes x,and color of type int, String. Override the equals method for this class. Two Frame objects are equals if their x, and color attributes are the same.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Similar questions

1) Implement a class Moth that models a moth flying along a straight line. The moth hasa position, which is the distance from a fixed origin. When the moth moves toward apoint of light, its new position is halfway between its old position and the position ofthe light source. Find the instance variable(s), define and implement the constructor(s), then supplythe following methods:- public void moveToLight(double lightPosition) - public double getPosition()2) Document your class, generate Javadoc documentation and produce a test program ‘MothTester’that construct a moth, move it toward a couple of light sources, and check that the moth’s positionis as expected. 3) Add a comment to your class Moth that explains how you can make the Moth immobile after 10moves.
1) Implement a class Moth that models a moth flying along a straight line. The moth hasa position, which is the distance from a fixed origin. When the moth moves toward apoint of light, its new position is halfway between its old position and the position ofthe light source. Find the instance variable(s), define and implement the constructor(s), then supplythe following methods:- public void moveToLight(double lightPosition)- public double getPosition()2) Document your class, generate Javadoc documentation and produce a test program ‘MothTester’that construct a moth, move it toward a couple of light sources, and check that the moth’s positionis as expected.3) Add a comment to your class Moth that explains how you can make the Moth immobile after 10moves.
I am having trouble on figuring out how to tackle this test case, below is my code and image one is the test case I am having trouble at(since it will tested automatically, i dont have the testcase.) image two is the main method, plz debug and fix it. Provide the screenshot of the code and output when finsih. import java.util.*;import java.io.*; public class TweetBot { private List<String> tweets; private int index; public TweetBot(List<String> tweets){ if(tweets.size() < 1){ throw new IllegalArgumentException("need contain at least one tweet!"); } this.tweets = new ArrayList<>(tweets); } public int numTweets(){ return tweets.size(); } public void addTweet(String tweet) { tweets.add(tweet); if (tweets.size() == 1) { index = 0; }} public String nextTweet() { if (tweets.size() == 1) { index = 0; return tweets.get(0); } else {…
Consider an online holiday booking system. The users can register to book a holiday package. After the users have been registered, their credentials will be checked by the class, Verification. Which of the following Gang of Four (GoF) design patterns should be applied to restrict the instantiation of the Verification class to one object? Select one: a. Factory method b. Singleton c. Decorator d. Adapter
Please write an email class using OOP concept to send an email with "Information Technology" for the subject and "Computers" as the body. Use the getpass library to hide password. Instantiate an object and call it.
USING JAVA - create a program that has two frames. NumberFrameView and GraphFrameView. The first frame NumberViewFrame should have 3 labels: Red, Green, Blue, each followed by a text field to enter number values, and an Update Button. The second frame GraphView shows a simple bar graph, like a histogram(rectangles), that correspond and represent the 3 entered values for Red, Green, Blue from the first frame. When the update button is pressed from the first frame, the graph in the second frame should be redrawn. Follow the observer pattern. Store the data (numbers) in a model. Attach the graph view as a listener to the model (observer pattern). When a number is updated, the Number view should update the model, and the model should tell the graph view that a change has occured. As a result, the graph view should repaint itself. Please include at least four classes: NumberViewFrame, GraphViewFrame, Model, and Tester. Tester will have main method and initializes objects of…
I need help With this problem for JAVAFX. if possible can it work in eclipse. GeometricObjects code public abstract class GeometricObject { private String color = "white"; private boolean filled; private java.util.Date dateCreated; /** Construct a default geometric object */ protected GeometricObject() { dateCreated = new java.util.Date(); } /** Construct a geometric object with color and filled value */ protected GeometricObject(String color, boolean filled) { dateCreated = new java.util.Date(); this.color = color; this.filled = filled; } /** Return color */ public String getColor() { return color; } /** Set a new color */ public void setColor(String color) { this.color = color; } /** Return filled. Since filled is boolean, * the get method is named isFilled */ public boolean isFilled() { return filled; } /** Set a new filled */ public void setFilled(boolean filled) { this.filled = filled; } /** Get dateCreated */ public java.util.Date getDateCreated() { return dateCreated; }…
Hi , I want you to solve this question using java , you must follow the instructouer below , also you will read and print the reasult from a file. also the describtion for A&B in the below image, and the realation between classes also show in first image d1. What You Must Implement:You must define a class named MediaRental that implements the MediaRentalInt interface functionality(index A). You must define classes that support the functionality specified by the interface. The followingspecifications are associated with the project:1. Define a class named MediaRental. Feel free to add any instance variables you understand are needed or anyprivate methods. Do not add any public methods (beyond the ones specified in the MediaRentalInt interface).2. The media rental system keeps track of customers and media (movies ,music albums and games). A customerhas a name, address as string , a plan and two lists. One list represent the media the customer is interested inreceiving and the…
Need it asap please !!! Will rate your answer!!! Run the following Java code and explain what it does. Give the resulting image from the code using inputs 3,960 1,234 222,222 13,780 interface ArrayStackADT{public void pop();public void push(Object a);public void display();public boolean isEmptyStack();public boolean isFullStack(); } class ArrayStackDataStrucClass<T> implements ArrayStackADT{// An object of type T is declaredfinal static int n=100;T stack[];int top=-1; // Default constructorArrayStackDataStrucClass() {this.stack = (T[]) new Integer[100];}//Overloaded ConstructorArrayStackDataStrucClass(T obj[]) {this.stack = obj;} @Overridepublic void push(Object obj){T t1= (T) obj;try{if(!isFullStack()){stack[++top]=t1;}}catch(Exception e){System.out.println("e");}} @Overridepublic void pop(){T popper = null;if(top<0){System.out.println("Stack underflow");return;}else{popper=stack[top];top--;//System.out.println("Popped element:" +popper);} } @Overridepublic void…
Model a real-life object as a Java class with at least one attribute and an instance method. Write a main method to create an instance of the class, assign a value to the attribute, call your method, and demonstrate that the value of the attribute changed and that the method successfully completed what it was supposed to do. I need one that programs a DVR with hours, minutes, and dates.
Complete the class LeprechaunGold to model a stash of gold coins at the end of the rainbow. There is a maximum capacity to the number of gold coins a leprechaun can store at any given time (the pot they store them in can only hold so many). The pot also holds a current amount. What does the LeprechaunGold object need to remember? Those are the instance variables. Provide a constructor that takes the maximum capacity as a parameter. The constructor initializes the instance variables (two of them). Provide methods public int getCapacity() - gets the maximum capacity public int getAmount() - gets the number of coins in the pot public void donate(int coins) - simulates making a donation public void save(int coins) - simulates adding more coins to the pot
Help find the classes, how they are utilized and how many objects were created in this code provided by me Source is provided, mainmenu.cpp is the images. and mainmenu.h is also provided. Source.cpp #include <SFML/Graphics.hpp>#include "MainMenu.h"#include <time.h>#include <SFML/Window.hpp> using namespace sf; int N = 30, M = 20;int size = 16;int w = size * N;int h = size * M; int dir, num = 4; struct Snake{ int x, y;} s[100]; struct Fruit{ int x, y;} f; void Tick(){ for (int i = num;i > 0;--i) { s[i].x = s[i - 1].x; s[i].y = s[i - 1].y; } if (dir == 0) s[0].y += 1; if (dir == 1) s[0].x -= 1; if (dir == 2) s[0].x += 1; if (dir == 3) s[0].y -= 1; if ((s[0].x == f.x) && (s[0].y == f.y)) { num++; f.x = rand() % N; f.y = rand() % M; } if (s[0].x > N) s[0].x = 0; if (s[0].x < 0) s[0].x = N; if (s[0].y > M) s[0].y = 0; if (s[0].y < 0) s[0].y = M; for (int i = 1;i < num;i++) if…