Suppose we have the following system of classes: Class Beta has a no-argument constructor. Class Alpha inherits from class Beta and has a one argument constructor that takes an integer parameter. Class Gamma inherits from class Alpha and has a one argument constructor that takes a float parameter. All constructors should be passed the value four. Write appropriate Java code for this system of classes.
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- Q2: Consider the following statements: public class YClass { private int a; private int b; public void one() { } public void two(int x, int y); { } public YClass() { } } class XClass extends YClass { private int z; public void one() { } public XClass() { } } YClass yObject; XClass xObject; Write the definition of the default constructor of YClass so that the instance variables of YClass are initialized to 0. Write the definition of the default constructor of XClass so that the instance variables of XClass are initialized to 0. Write the definition of the method two of YClass so that the instance variable a is initialized to the value of the first parameter of two and the instance variable b is initialized to the value of the second parameter of two. please I want solution :(Hi can you assist me on the problem below for a class and a test class that conforms to the following specifications: 1. The name of the class is RightTriangle 2. The class has member variables base and height 3. The class has a constructor that initializes base and height 4. The class has accessors and mutators for base and height 5. The class has a toString method that produces String representation of a RightTriangle like the following example for a triangle with base 12 and height 10. Base : 12 Height 10 6. The class has a method called findArea to compute the area of the right triangle. Here is a suggested implementation. public double findArea() { return 0.5* this.base*this.height; } 7. The class using proper naming conventions Write a test class called RightTriangleTest that conforms to the following: 1. Create an object with base = 10 and height = 20, for example myTriangle. 2. To print the toString for myTriangle. 3. To print the area of myTriangle. System.out.println(“The…Consider a class BankAccount that has • Two attributes i.e. accountID and balance and• A function named balanceInquiry() to get information about the current amount in the account Derive two classes from the BankAccount class i.e. CurrentAccount and the SavingsAccount. Both classes (CurrentAccount and SavingsAccount) inherit all attributes/behaviors from the BankAccount class. In addition, followings are required to be the part of both classes• Appropriate constructors to initialize data fields of base class• A function named amountWithdrawn(amount) to withdraw certain amount while taken into account the following conditionso While withdrawing from current account, the minimum balance should not decrease Rs. 5000o While withdrawing from savings account, the minimum balance should not decrease Rs. 10,000• amountDeposit(amount) to deposit amount in the accountIn the main() function, create instances of derived classes (i.e. CurrentAccount and SavingsAccount) and invoke their respective…
- Can you implement the Derived Class Parameterized constructor? A solution is placed in the "solution" section to help you, but we would suggest you try to solve it on your own first. Implement the constructor Dell(String name) of the Derived Class Dell which takes a string, name. We have already implemented the Base Class Laptop with the member function getName() and a parameterized constructor. Input# Laptop name is being passed through the parameterized constructor. Output# getName() method is returing Laptop name. Sample Input# Dell dell = new Dell("Dell Inspiron"); Sample Output# "Dell Inspiron"Implement the following concepts by constructing suitable classes in Java -a. Constructorsb. Constructor Overloadingc. Function Overloadingd. Function Overridinge. InheritanceCreate a class Person - Field - Name, Birthdate, Contact no and Mail idMethods - Constructor, accept and displayClass Employee - Inherits the Person classFields : Emp ID, grade, basic salary, Gross Salary, HRA (House Rent Allowance), TA (TravelingAllowance), DA (Dearness Allowance)Given:Grade Basic TAA 8000 2000B 7000 1500C 6000 1000D 5000 500Calculate Gross Salary :Gross Salary = Basic + HRA (20% of Basic) + DA (50% Basic) + TAe.g if Basic = 8000TA = 2000HRA = 20% of 8000 = 1600DA = 50 % of 8000 = 4000Gross = 8000 + 2000 + 1600 + 4000 = 15600Optional : you can implement increment function in which you can change grade of an employee andrecalculate salary with new gradeWrite a Java program for a class named Baby. A Baby has a name of type String and an ageof type integer.Supply two constructors: one will be the default constructor, that just setsdefault values for the name and age; the second constructor will take twoparameters, a string to set the name and an integer to set the age. Also, supplymethods for setting the name, setting the age, getting the name and getting theage.The class should not contain I/O methods; input of values to the instancevariables must be done with a set method or constructor, output of values fromthe instance variables must be done with get methods. The set method for thename instance variable should ensure that the input is not empty or containwhitespaces (otherwise set a default value). The set method for the ageinstance variable should validate the input to be between 1 and 4 inclusive(otherwise set a default value).Give Java code for an equals method for the Baby class. Babies count asbeing the same (i.e. equal) if…
- Give a definition for a class SmartBut that is a derived class of the base classSmart given in the following. Do not bother with #include directives ornamespace details.class Smart{public:Smart( );void printAnswer( ) const;protected:int a;int b;};This class should have an additional data field, crazy, of type bool; oneadditional member function that takes no arguments and returns a value of type bool; and suitable constructors. The new function is named isCrazy. You do not need to give any implementations, just the class definition.Create a separate class with these membersa, b, c, x, y, zint a b cfloat x y z Demonstrate A. the default constructor to instantiate an object and display the product of x and y B. the default constructor and a two arg int constructor to instantiate objects, initialize variables read from the keyboard, display the sum C. a two arg float constructor, and a two arg int constructor to instantiate objects, initialize variables read from the keyboard, display the sum D. a two arg float, int constructor, and a three arg int, float, float constructor to instantiate objects, initialize variables read from the keyboard, display the sumImplement a class Season that represents a season during a specified year. For purposes of thisproblem, assume that the seasons in each year are, in order, 'Winter', 'Spring', 'Summer', 'Autumn' .__init__, __repr__A Season object is created by calling the constructor and supplying two optional arguments:1. season, defaults to 'Winter'2. calendar year, an int , defaults to 2023For the __repr__ , see the usage below: The next and prev methods modify a Season object by changing it to the next season or previousseason in sequence, respectively. Note that the seasons can "roll over" or "roll back" and that this maychange the year by +/-1. 1. During each year, the seasons occur in this sequence: 'Winter', 'Spring', 'Summer', 'Autumn' 2. next - change to next season, if the current season is Autumn then year will increase by 1 3. prev - change to previous season, if Winter then year will decrease by 1 Implement the == operator ( __eq__ method) to compare two Season…
- First, you need to design, code in Java, test and document a base class, Student. The Student class will have the following information, and all of these should be defined as Private: A first name (given name) A last name (family name/surname) Student number (ID) – an integer number (of type long) The Student class will have at least the following constructors and methods: (i) two constructors - one without any parameters (the default constructor), and one with parameters to give initial values to all the instance variables of Student. (ii) only necessary set and get methods for a valid class design. (iii) a reportGrade method, which you have nothing to report here, you can just print to the screen a message “There is no grade here.”. This method will be overridden in the respective child classes. (iv) an equals method which compares two student objects and returns true if they have the same student number (ID), otherwise it returns false. You may add other…Write a java program to create a class Employee which contains member variables as name (String object)empid (Integer object)salary (Float object)age (Integer object)Define a default as well as a parameterized constructor to initialize member variables with default and specified values respectively. Define and overload a method search as defined below boolean search (Employee e[ ], String name) To search an employee with name in an array of employee objects, if found return true, else false.boolean search (Employee e[ ], Integer empid) To search an employee with the empid in an array of employee objects, if found return true, else false.Also define another method to get the name of employee having highest salary in a set of employees. String getHighestSalary(Employee e[ ]) To return the name of the employee with highest salary in an array of employee objects.Input: At least 3 employee details like name, empid, salary and age.Name of employee to searchId of employee to searchOutput:…Create a Java Project (with a class and a test class) to represent some real-world entity such as atechnology item (TV, Fan etc), an animal, a person, a vehicie, etc. In our class, we have alreadyseen example classes such as Circle, Student, Rectangle, TV etc.The class will:a) Create a total of 5 member variables for the class by selecting the appropriate data typesfor each field, For example, a class to represent a lamp might include color, price, height,numBulbs, batteryOperated. Each of these 5 variables needs a data type.b) Include at least three different constructor methods, including the default constructor(no argument constructor), so totally three constructors,c) Create a method called show Values( ) to display the values of an object in a formattedmanner.The Java test class (with a main method) will:a) Instantiate at least three objects (using each of the constructors at least once) with yourprogram.b) Store the data from the individual objects into an array.c) Utilize the…