at has following methods: sum, multiply, divide , modulus , sin , cos , tan
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JAVA code
Create a Calculator class that has following methods:
sum, multiply, divide , modulus , sin , cos , tan
The user should be able to call these methods without creating an object of Calculator class.
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- java oop languageCreate a Java class that describes a product in a store with relevant fields. A few examples of such fields would be name, brand, etc. Append the class with methods that allow a customer to buy that product and append the number of times the product is sold. The customer will be subjected to 13% tax on each buy, you will calculate the payable amount and display it on the console on each buy.java A constructor is a special method that has the same name as the class and the return type void. Choose one of the options:TrueFalseJava A class always has a constructor that does not take any parameters even if there are other constructors in the class that take parameters. Choose one of the options:TrueFalse
- Charge Account Validation Using Java programming Create a class with a method that accepts a charge account number as its argument. The method should determine whether the number is valid by comparing it to the following list of valid charge account numbers:5658845 4520125 7895122 8777541 8451277 13028508080152 4562555 5552012 5050552 7825877 12502551005231 6545231 3852085 7576651 7881200 4581002These numbers should be stored in an array. Use a sequential search to locate the number passed as an argument. If the number is in the array, the method should return true, indicating the number is valid. If the number is not in the array, the method should return false, indicating the number is invalid.Write a program that tests the class by asking the user to enter a charge account number. The program should display a message indicating whether the number is valid or invalid.True or False A class can implement more than one interface.java languageCreate a Java class that describes a product in a store with relevant fields. A few examples of such fields would be name, brand, etc. Append the class with methods that allow a customer to buy that product and append the number of times the product is sold. The customer will be subjected to 13% tax on each buy, you will calculate the payable amount and display it on the console on each buy.
- java Assignment Description: Write a class named Car that has the following fields: The yearModel field is an int that holds the car’s year model. The make field references a String object that holds the make of the car. The speed field is an int that holds the car’s current speed. In addition, the class should have the following constructor and other methods. The constructor should accept the car’s year and make as arguments. These values should be assigned to the object’s yearModel and make fields. The constructor should also assign 0 to the speed field. Constructor: The constructor should accept no arguments. Constructor: The constructor should accept the car’s year as argument.Assign the value to the object’s yearModel. No need to assign anything to the make and assign 0 to speed. Appropriate mutator methods should set the values in an object’s yearModel, make, and speed fields. Appropriate accessor methods should get the values stored in an object’s yearModel, make, and…JAVA CLASS AND OBJECT Write a program that creates a "Car" as an object, and displays the Year and Model in a one method “Speed”. Output to be displayed: Year: 2021 Model: Toyota Speed: 200km/hObject Oriented Programming in JAVA You are part of a team writing classes for the different game objects in a video game. You need to write classes for the two human objects warrior and politician. A warrior has the attributes name (of type String) and speed (of type int). Speed is a measure of how fast the warrior can run and fight. A politician has the attributes name (of type String) and diplomacy (of type int). Diplomacy is the ability to outwit an adversary without using force. From this description identify a superclass as well as two subclasses. Each of these three classes need to have a default constructor, a constructor with parameters for all the instance variables in that class (as well as any instance variables inherited from a superclass) accessor (get) and mutator (set) methods for all instance variables and a toString method. The toString method needs to return a string representation of the object. Also write a main method for each class in which that class is…
- java programming language You are part of a team writing classes for the different game objects in a video game. You need to write classes for the two human objects warrior and politician. A warrior has the attributes name (of type String) and speed (of type int). Speed is a measure of how fast the warrior can run and fight. A politician has the attributes name (of type String) and diplomacy (of type int). Diplomacy is the ability to outwit an adversary without using force. From this description identify a superclass as well as two subclasses. Each of these three classes need to have a default constructor, a constructor with parameters for all the instance variables in that class (as well as any instance variables inherited from a superclass) accessor (get) and mutator (set) methods for all instance variables and a toString method. The toString method needs to return a string representation of the object. Also write a main method for each class in which that class is tested – create…#pyhton programing topic: Introduction to Method and Designing class Method overloading & Constructor overloading ------------------ please find the attached imagejava There is only one type of constructor and it is a constructor that does not take any parameters. Choose one of the options:TrueFalse