Write another program called calculator that inherits from class average and als

Question

Write another program called calculator that inherits from class average and also has methods that has: two methods multiply() to calculate the product of the numbers. One method will have two parameters which are both ints. The second method has three parameters: two ints and a Double. Another method “Power” that finds the power of a number using methods. For example, if the user types in: 5 and 3, the program should print out 125. 3. And another method “Factorial” which finds the factorial of a number using methods. Create a tester class to test all methods. Ask for user input.

Explanation / Answer

Average.java

public class Average{

public int multiply(int a, int b) {

return a * b;

}

public double multiply(int a, int b, double c) {

return a * b * c;

}

public double power(int a, int b) {

int result = 1;

for(int i = 0; i < b; i++)

result = multiply(result, a);

return result;

}

public int Factorial(int a) {

int result = 1;

for(int i = 1; i <= a; i++)

result = multiply(i, result);

return result;

}

}

Calculator.java

import java.util.Scanner;

public class Calculator extends Average{

public static void main(String[] args) {

Average avg = new Average();

Scanner in = new Scanner(System.in);

System.out.println("Enter the first value: ");

int a = in.nextInt();

System.out.println("Enter the second value: ");

int b = in.nextInt();

System.out.println("Power = " + avg.power(a, b));

System.out.println("Factorial = " + avg.Factorial(a));

}

}

**Comment for any further queries.

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