Answered: Write java class for student with…

Write java class for student with properties Name Marks And construtor to set data and one compareMarks method which will compare marks of two student and will return max marks

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

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Answer the given question with a proper explanation and step-by-step solution. USING JAVA: ---Sorting the Invoices via dates--- Another error that will still be showing is that there is not Comparable/compareTo() method setup on the Invoice class file. That is something you need to fix and code. Implement the use of the Comparable interface and add the compareTo() method to the Invoice class. The compareTo() method will take a little work here. We are going to compare via the date of the invoice. The dates of the Invoice class are by default saved in a MM-DD-YYYY format. So they have a dash '-' between each part of the date. So you will need to split the date of the current invoice AND split the date of the object sent to the method. We have three things to compare against here. First we need to check the year. If the years are the same then you should go another step forward and compare the months. If the months are the same then you will lastly have to compare the day. Use whatever…
Implement a nested class composition relationship between any two class types from the following list: Advisor Вook Classroom Department Friend Grade School Student Teacher Tutor Write all necessary code for both classes to demonstrate a nested composition relationship including the following: a. one encapsulated data member for each class b. inline default constructor using constructor delegation for each class c. inline one-parameter constructor for each class d. inline accessors for all data members e. inline mutators for all data members
Java Computer Programming. Each robot: - Has a name (attribute name: string) - Has a position: given by the integer attributes x and y. - Has a direction: given by the direction attribute that takes one of the values "North", "East", "South" or "West". The name, position and direction of a robot are given to it at the moment of its creation - Can advance one step forward: with method without parameter advance () - Can turn right 90 ° to change direction (if its direction was "North" it becomes "East", if it was "East" it becomes "South", etc.): with the method without parameter right(). Robots cannot turn left. - Can display its detail with the method detail() Detail: name, position, and current direction.
Java Assume that refVar1 instanceof Comparable && refVar2 instanceof Comparable are both true for the two reference variables refVar1 and refVar2. If we then use the compare To method by calling refVar1.compareTo(refVar2), we'll see that it returned a negative value. If the compare To method is defined in the conventional manner, what does that tell us? Explain.
I need . Look at relationship below which I mention.
Now we are going to use the design pattern for collecting objects. We are going to create two classes, a class AmazonOrder that models Amazon orders and a class Item that models items in Amazon orders. An item has a name and a price, and the name is unique. The Item class has a constructor that takes name and price, in that order. The class also has getters and setters for the instance variables. This is the design pattern for managing properties of objects. The setName() method should do nothing if the parameter is the empty string, and the setPrice() method should do nothing if the parameter is not positive. The class also has a toString() method that returns a string representation for the item in the format “Item[Name:iPad,Price:399.99]”. For simplicity, we assume an Amazon order can have at most 5 items, and class AmazonOrder has two instance variables, an array of Item with a length of 5 and an integer numOfItems to keep track of the number of items in the…
k-NN is regarded as an example of a lazy method, because: O a. time to apply for new case is long O b. precoressing time is long O c. training time is long O d. testing time is long
Using JAVASCRIPT write an object prototype for a Person that has a name and age, has a printInfo method, and also has a method that increments the persons age by 1 each time the method is called. Create two people using the 'new' keyword, and print both of their infos and increment one persons age by 3 years. Use an arrow function for both methods */ // Create our Person Prototype // Use an arrow to create the printInfo method // Create another arrow function for the addAge method that takes a single parameter // Adding to the age
In Java, give an example of a class that implements the Comparable interface, and explain how the implementation of the compareTo method determines its return value.
Hello! Need help with my Java Homework Please use Eclipse and Add a comments in each program to explain what your code is doing so I can understand it and learn. I really appreciate the help! Examine carefully the UML class diagram Attached: NOTE: Class Reptile was missing a toString() method. It has now been added. class Pet has an attribute of type java.util.Date. no specific dates are required for this attribute. compareTo(Dog) compares Dogs by weight. Create executable class TestPet as follows: create at least one Reptile pet and display it create an array of at least four Dog pets sort the array of Dogs by weight use a foreach loop to fully display all data for all dogs sorted by weight (see sample output) Sample Output Reptile name = Slinky, rock python, M Must be caged, crawls or slithers Not much sound, maybe a hiss, acquired Fri Feb 03 17:06:54 EST 2017 All dogs sorted by weight Dog name = Pedro, chihuahua, M Walks on a leash, weight 14 Barks or howls, acquired Fri…
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