Write a complete Java class that can be used to create a Fish object as described below: A Fish has-a: - name age - type - favorite food a) Add all instance variables b) The class must have getters and setters for all instance variables c) The class must have two constructors: a no-args constructor and a constructor that receives all data fields as parameters d) The class must have a toString() e) Add a main method and create 2 Fishes using each of the constructors you created
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- Create a complete Java class that can be used to create a Computer object as described below:A Computer has a:- Manufacturer- Disk Size- Manufacturing Date- Number of coresa) Add all instance variables (data encapsulation is expected).b) The class must have getters and setters for all instance variables.c) The class must have two constructors: a no-arg constructor and a constructor thatreceives input parameters for each instance variable.d) Implement a toString() method for your class.REFER TO IMAGE (JAVA) a. Write a Java statement that increments the value of count by 1. b. Write a Java statement that outputs the value of count. c. Write the 6 definitions of the constructors and the methods of the class MyClass as described in its definition. d. Write a Java statement that declares myObject1 to be a MyClass object and initializes its instance variable x to 5. __________________________________________________________________ e. Write a Java statement that declares myObject2 to be a MyClass object and initializes its instance variable x to 7. __________________________________________________________________ f. Identify each of the following statements as either valid or invalid (tell why it is invalid). Assume that myObject1 and myObject2 are declared as in parts (d) and (e). myObject1.MyClass( ); ____________________________________ myObject2.setX(50); ____________________________________ MyClass.printCount( );…Do the following program in Java Eclipse. Java Class that can be used to create a Fruit object as described below: A fruit has - a: - Date of Harvest -Color -Weight -Number of seeds a. Add all instance variables. b. The class must have getters and setters for all instance variables. c. The class must have two constructors, a no-args and a constructor that receives input for each instance variables. d. The parent class is abstract. e. its 1 abstract method and has toString() method f. its 2 children (concrete) also have toString() methods.
- Write a java program Write a class named Employee with name and salary as private data fields. Add a constructor with both parameters. Write a class named Manager which unherits the Employee class. Add an instance variable, named department, of type String and 15 private. Add a constructor in the subclass class and a toString () method that prints the manager's name, department, and salary [Hint: Add a tastanel) method in the super class as well]. Create objects of Manager and Employee dass1)Create a complete Java class that can be used to create a Computer object as described below:A Computer has a:- Manufacturer- Disk Size- Manufacturing Date- Number of coresa) Add all instance variables (data encapsulation is expected).b) The class must have getters and setters for all instance variables.c) The class must have two constructors: a no-arg constructor and a constructor thatreceives input parameters for each instance variable.d) Implement a toString() method for your class. 2)Write a Java program TestComputer, which creates three Computer objects with the informationbelow:a) - Manufacturer: Dell- Disk Size: 1189160321024 bytes- Manufacturing Date: April 1, 2020- Number of cores: 2b) - Manufacturer: Apple Inc- Disk Size: 269283712040 bytes- Manufacturing Date: March 31, 2020- Number of cores: 4c) Create your own Object. You can mimic your actual personal computer or use a no-argsconstructor.Print the three objects using toString() method to show all data fieldsDefine a class in java representing physical elements (like hydrogen, helium, lithium,etc.). Elements have a name, a symbol, an integer atomic number, and an atomicweight (which may be fractional). Your class should have a constructor that setsall the properties, and a toString method that prints each element as a nicelyformatted String. Write accessors and mutators for each field if you think it isappropriate to do so (ask yourself if the field should be changeable). Update yourmain method to create and print 10 unique elements.
- Java ProgramFollowing the example of the Circle class in Section 9.2, design a class named Rectangle to represent a rectangle. The class contains:- Two double data fields named width and height that specify the width and height of the rectangle. Thedefault values are 1 for both width and height.- A no-arg constructor that creates a default rectangle.- A constructor that creates a rectangle with the specified width and height.- A method named getArea() that returns the area of this rectangle.- A method named getPerimeter() that returns the perimeter Draw the UML diagram for the class then implement the class. Write a test program that creates two Rectangle objects—one with width 4 and height 40, and the other with width 3.5 and height 35.9. Display the width, height, area, and perimeter of each rectangle in this order.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…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…
- In Java Write a class definition for a Rectangle class that contains:• Two int fields, length and width.• Mutator and accessor methods for the length and width fields.• A Boolean method named isSquare that returns true if the rectangle’s lengthand width are the same and false otherwise.b) Write a class definition for a RectangleDriver class that contains a main methodthat acts as a driver for the Rectangle class of the previous problem. The main methodshould do this:• Construct a Rectangle object named rect.• Use the mutator methods to assign arbitrary values to rect’s length and widthfields.• Use the Boolean method to determine if rect is a square.-- If rect is a square, print “Square: ” and then the square’s dimensions.For example: Square: 4x4.-- If rect is not a square, print “Rectangle: ” and then the rectangle’sdimensions. For example: Rectangle: 6x13.• In printing the above messages, use the accessor methods to retrieve therectangle’s dimensions*using java* Create a class AnimalCreate a class Cat, and a class Dog, and a class Bearded Dragon which extend Animal. Add to your Animal class: Member: name Methods: Public Animal(String name) //constructor public void makesSound()with the implementation printing out a generic animal sound. Next, override (add) the makesSound()method to your Cat and Dog class, with the implementation specific to each animal (i.e, cat says purr..). Do not override the makesSound() for your Dragon (bearded dragons don’t make sounds!)Note, you’ll also need a constructor in each of your subclasses which calls super(name) to initialize the common ‘name’ member of Animal. --- Next (in your test harness) create a List of different Animals ( a couple cats, a dog, a dragon... ) and add these Animals to your list. Iterate through your list & call makeSound on each. ( you should observe the implementation of the makeSound() method called will be: cat -> from Cat class, dog-> from Dog class,…1. Write a java class called Pokemon that has a name (e.g. “Pikachu”) and a number (e.g. 25). Implement a constructor that takes both values as parameters. Implement accessors for both values. Implement a toString() that returns a string in the format “Name(number)”, e.g. “Pikachu(25)”. Implement an equals(Object) method (two Pokémon are considered equal if they have the same number). Implement a hashCode() method that returns the number. (remember the equals and hashCode contract). 2. Create a java class, PokemonComparator, that implements Comparator and compares two Pokémon in reverse order by number. For example, if Pokemon A's number is 25 and B's number is 50, compare(A, B) would return a number > 0 because B should come first. Hint: what if you subtracted the numbers? 3. Write a new class, PokemonMain, with a main method that: a. Creates a binary tree with your favorite Pokémon at the root and a new PokemonComparator. b. Insert at least 10-15 more Pokémon in any order. c.…