Question
Calculate power of a number using recursion
ENTER THE NUMBER
10
ENTER THE POWER
10
10^10=10000000000
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Code
import java.util.Scanner;
public class powerOfANumber
{
long num=0,power=0;
public void accept()
{
Scanner sc=new Scanner(System.in);
System.out.println("ENTER THE NUMBER");
num=sc.nextLong();
System.out.println("ENTER THE POWER");
power=sc.nextLong();
}
public long calculatePower(long n,long pow)
{
if(pow==0)
{
return 1;
}
else
{
return n*calculatePower(n,pow-1);
}
}
public void display()
{
System.out.println(num+"^"+power+"="+calculatePower(num,power));
}
public static void main()
{
powerOfANumber ob1=new powerOfANumber();
ob1.accept();
ob1.display();
}
}
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