voici le code:

import java.io.*;

public class recur_power

{

public static void main(String args[]) throws IOException

{

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

int a,b;

System.out.println("entrez a & b");

a=Integer.parseInt(br.readLine());

b=Integer.parseInt(br.readLine());

int c=1;

power(a,b,c);



}

public static void power(int x, int y, int z)

{

if(y>0)

{

y--;

z=z*x;

power(x,y,z);

}

else

System.out.println(z);

}

}