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- In this exercise, you have to implement a calculator which can perform addition, subtraction, multiplication, and division. Problem Statement# Write a Java class called Calculator with ● private fields: ○ num1 and num2 (double type) And methods: ● add(), a method which returns the addition of two numbers ● subtract(), a method which returns the subtraction of num1 from num2 ● multiply(), a method which returns the multiplication of numbers ● divide(), a method which returns the division of num2 by num1 ● Define a parameterized constructor which takes two parameters num1 and num2 and assigns these variables to the respective fields in the class. Input# Pass double point numbers in the parameterized constructor Output# addition, subtraction, division, and multiplication Sample Input# Calculator obj = new Calculator(10, 94); obj.add() obj.subtract() obj.multiply() obj.divide() Sample Output# 104 84 940 9.4 Part of the Solution class Calculator { // write class fields here public…Write a method that returns a random number from alist of numbers passed in the argument. The method header is specified as follows:public static int getRandom(int... numbers)Please don;t change anything. put your code line 5. Java Write a static method named toCelsius that takes a single parameter fahrenheit as a double, converts Fahrenheit to Celsius, and returns the value as a double. The formula is 5 / 9 * (F - 32) = C
- JAVA Write an application to simulate the rolling of two dice. The application should use an object of class Random once to roll the first die and again to roll the second die. The sum of the two values should then be calculated. Each die can show an integer value from 1 to 6, so the sum of the values will vary from 2 to 12, with 7 being the most frequent sum, and 2 and 12 the least frequent.Write True or False 1. A method must always return a value. 2. A break statement must always be present in a "switch" statement . 3. Declarations must appear at the start of the body of a Java method. 4. An array in the Java has the ability to store many different types of values. 5. All variables must be declared before they can be used. إجابتكPlease do this in Java! 13. isPrime Method A prime number is a number that is evenly divisible only by itself and 1. For example, the number 5 is prime because it can be evenly divided only by 1 and 5. The number 6, however, is not prime because it can be divided evenly by 1, 2, 3, and 6. Write a method named isPrime, which takes an integer as an argument and returns true if the argument is a prime number, or false otherwise. Demonstrate the method in a complete program. Additional requirements: Welcome the user with a message that you read from a file called "input.txt". ( inpu.txt file contains numbers between1-100.) Write the results to the terminal and also to the output file called, "output.txt" and remind the user to look at that file if he/she wants to. You only need to submit the designs, input/output files ( if applicable ) source code ( .java and not the project or the .class ) files of all the classes you'll implement and the driver program for the problem. ( Do not submit…
- FOR JAVA Create a class named Product that has ID, price and stock as fields. This class must have two constructors; one constructor must take all its fields as parameters, second constructor must take ID and price as parameters and set stock to 0. Also implement the following methods: • String toString(): Returns a brief summary about the object. • void sell(int): Takes a parameter that represents the amount to sell. Checks if stocks are sufficient. If so, it updates the stock and prints the total price. Else it prints a warning to user. Create 3 instances of Product class and test your methods.Writing Methods that Require a Single Parameter in Java In this lab, you complete a partially written Java program that includes two methods that require a single parameter. The program continuously prompts the user for an integer until the user enters 0. The program then passes the value to a method that computes the sum of all the whole numbers from 1 up to and including the entered number. Next, the program passes the value to another method that computes the product of all the whole numbers up to and including the entered number. The source code file provided for this lab includes the necessary variable declarations and the input statement. Comments are included in the file to help you write the remainder of the program. Instructions Ensure the file named SumAndProduct.java is open. Write the Java statements as indicated by the comments. Execute the program by clicking "Run Code." USE THE GIVEN CODE // SumAndProduct.java - This program computes sums and products. //…JAVA Method Overloading is a feature that allows a class to have more than one method having the same name, if their argument lists are different. Design a simple class and define a maximum method that finds the maximum of two integer values? Design an application to test that your new method is working properly. Now overload the maximum method to accept three double values and return the maximum of these three values? Finally overload the maximum method again such that it accept four double or four integer values and return the average of these four values? Modify your main( ) application to call and test these new methods. In each case the maximum overloaded methods should return the correct maximum values. Attach you java source codes and a screenshot of the output(s).
- Program62.javaWrite a program that prompts for a full name (first and last) and assigns it to one string. The program then passes the full name to a void method as its sole parameter. The void method should print the first name, on one line, as many times as indicated by the length of the last name. Sample Output (image below) Program64.javaWrite a program that demonstrates method overloading by defining and calling methods that return the area of a triangle, a rectangle, or a square.Basic Java Help Each year, the Social Security Administration provides a list of baby names for boy and girls by state. You will write a program to read a file containing a list of baby names and display the top names. To start, implement the following class: baby names util = printTopNames(File, int): void printTopNames Will be a static method. It will accept two parameters, one is a File containing the list of names. The other is an integer that indicates how many names to display (ie, top 10 names, or top 50 names, etc). The integer argument could be any valid integer. You do not have to worry about an integer value large than 5 for the boy/girl names. This method should open the file and parse the file and print the names as shown below: Your program will use the Scanner class to read the data from the file (see your text for examples). You will also need to use a delimiter with the scanner so that the scanner will break the line apart based on the commas. For this file, set…java Finish the method called profit() that will take two int arguments and returns a String saying if there is a profit, a loss, or no loss. The first argument is the buyPrice value and the second argument is the sellPrice value. There is a profit if the sell price is more than the buy price. This is a return method with two int parameters