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Write a program that uses a method power( ) to raise a number m to power n. The method takes int values for m and n and returns the result correctly. Use a default value of 2 for n to make the function calculate squares when this argument is omitted. Write a main( ) method to get the value of m and n to display the calculated result.

Java

User Defined Methods

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Answer

import java.util.Scanner;

public class KboatCalcPower
{
    public double power(int m)   {
        double pow = Math.pow(m,2);
        return pow;
    }
    
    public double power(int m, int n)   {
        double pow = Math.pow(m,n);
        return pow;
    }
    
    public static void main(String args[])  {
        
        KboatCalcPower obj = new KboatCalcPower();
        
        Scanner in = new Scanner(System.in);
        System.out.print("Enter m: ");
        int m = in.nextInt();
        System.out.print("Enter n: ");
        int n = in.nextInt();
        
        double res = obj.power(m,n);
        System.out.println("m^n = " + res);
        
        res = obj.power(m);
        System.out.println("Omitting n");
        System.out.println("m^2 = " + res);
    }
}

Variable Description Table

Program Explanation

Output

BlueJ output of Write a program that uses a method power( ) to raise a number m to power n. The method takes int values for m and n and returns the result correctly. Use a default value of 2 for n to make the function calculate squares when this argument is omitted. Write a main( ) method to get the value of m and n to display the calculated result.

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