Course: Object oriented programming "Java". 1. Differentiate between Association and Aggregation relationships.
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Course: Object oriented
1. Differentiate between Association and Aggregation relationships.
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- Java Programming I need the answer asap, thank you! Note: The attached photo is the unfinished version, please complete it. thank you so much! Create an class 'Bank' with attributes name and balance. Create two constructor: default constructor and a constructor that accepts all attribute. Provide getters and setters for class 'Bank'. The class has an abstract method 'showDetails' with void as return type. Method 'showDetails' displays the name and balance of the account. 'BankA' and 'BankB' ' are subclasses of class 'Bank'. Create two constructor in each classes: default constructor; and constructor that accepts name and balance and call appropriate super constructor. Code to be completed:public abstract class Bank { private String name; private int balance; public Bank(){}; public Bank(String name, int balance) { this.name = name; this.balance = balance; } // setters public void setName(String name) { this.name = name; }…Object Oriented Programming: Polymorphism DB What is an abstract class? What is the purpose of an abstract class (this may require some research)? Provide a unique Java code example of an abstract class.Computer Science The home work is you need to develop a program similar to your mobile phones contact. Homework requirements - all functionalities of Contact app should be present in your program( adding contact, searching etc.) - attributes of contact app should be added in your homework implementation. - apply oop concept in you program( Inheritance, abstraction, polymorphism and encapsulation) Note: Use your mobile phone contact app to see the functionalities and attributes. using java language program
- Java is known to be an object oriented program. Objects are also known to exist in real life. You have been invited as a computer science student to distinguish between real life objects and object found in object oriented program Oject Oriented ProgramJAVA Object Orient Programming!What is encapsulation? How does encapsulation contribute to softwaremaintainability?Computer Science Multiple inheritances (if supported by a language) occurs when a single class inherits properties from 2 or more classes. Multiple inheritance is NOT supported in Java. One can enable multiple inheritances in Java through the use of interfaces. Show how you can enable multiple inheritance in Java and give one or more simple examples.
- Java OOP...NOTE: Use OOP concepts = Encapsulation, inheritance, abstraction, and polymorphism in the progrm, please comment each concept so I can identify which is which...Computer Science The project statement o Create a Java Project as follows: Add at least three classes Should apply OOP concepts e.g. Inheritance and Polymorphism Implements at least one interface and extends one Abstract class Create at least 2 objects for each class Call at least 2 methods from each class o Students should submit a Word document describing their application project.Java Code Now that we've discussed how object inheritance works, we've covered all of the basic principles of object-oriented design. You should now be familiar with two different methodologies for creating programs: Structural/Procedural design: A program is split into one or more functions, which can all be in the same file or in different files. The code runs sequentially, using no dynamic binding. Code and data are kept separate. This is how you first learned to write programs, before you knew how to create classes and objects. Object-Oriented design: A program is split into different groupings of data and code called objects. The program runs by creating interactions between objects, which may involve dynamic binding (polymorphism) to decide what functions to call at runtime. The data and code are inseparable from each other, and data is often hidden to prevent unwanted access by unknown code. This is how we've learned to write programs in this course. state what you believe are…
- Build Java Program: 1) Create a class Student according to the following requirements: A student has four attributes: id, name, GPA and major. Add the default constructor (no parameters). Add a constructor with four parameters to initialize all the attributes by specific values. Add all the required setter methods Add all the required getter methods Add the method changeMajor 2) Create a Driver that has the main method, in which: Create a student object (obj1), provide all values for the class attributes. Create another student object (obj2), provide all values for the class attributes. Print the values of obj1 and obj2 fields. Change the major for obj1. Change the major for obj2. Print the values of obj1 and obj2 fields.Explain the mechanism needed to hide the instances from other classes. Support your answer with an example. "JAVA PROGRAMMING LANGAUGE, OBJECT ORIENTED PROGRAMMING COURSE"In java language please explain these three class design guidelines at least one page per guideline you code use some examples to explain. Encapsulation: Instance vs Static: Inheritance vs Aggregation: