public class JAVA_069 { static double power(double x,int n) { if(n>1) return (x*power(x,(n-1))); else if(n<0) return (1.0/power(x,-n)); else return ((n==0)?1.0:x); } public static void main(String[] args) { double x=5.0; System.out.println(x + \" to the power 4 is \" + power(x,4)); System.out.println(\"7.5 to the power 5 is \" + power(7.5,5)); System.out.println(\"7.5 to the power 0 is \" + power(7.5,0)); System.out.println(\"10 to the power -2 is \" + power(10,-2)); } } [/Code]