Power function recursive java

public class HelloWorld{

     public static void main(String []args){
        //test 2^2
        System.out.println("Test  power(2,2)");
        System.out.println(power(2,2));
        //test 5^3
        System.out.println("Test  power(5,3)");
        System.out.println(power(5,3));
     }
     public static int power(int x,int m){
         if (m==1)
            return x;
         else
            return x* power(x,m-1);
     }
}