Java Program to calculate the power using recursion, this is a basic program for starting recursion, below program, is taken from coding ninjas platform.

#### Write a program to find x to the power n (i.e. x^n). Take x and n from the user. You need to return the answer.

#### Do this recursively.

##### Input format :

```
Two integers x and n (separated by space)
```

##### Output Format :

```
x^n (i.e. x raise to the power n)
```

##### Constraints :

```
0 <= x <= 30
0 <= n <= 30
```

##### Sample Input 1 :

```
3 4
```

##### Sample Output 1 :

```
81
```

##### Sample Input 2 :

```
2 5
```

##### Sample Output 2 :

`32`

## Power using recursion solution in Java :

```
import java.util.Scanner;
public class Runner {
static Scanner s = new Scanner(System.in);
public static void main(String[] args) {
int x = s.nextInt();
int n = s.nextInt();
System.out.println(Solution.power(x, n));
}
}
public class Solution {
public static int power(int x, int n) {
if(n==0)
{
return 1;
}
int ans=x*power(x,n-1);
return ans;
}
}
```

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