package jisuanqi; import java.util.Scanner; public class ex { public static void main(String[] args) { // TODO Auto-generated method stub double e=Math.E; double x,result; Scanner sc=new Scanner(System.in); while(true) { System.out.println("请输入x的值"); x=sc.nextInt(); result=Math.pow(e,x); System.out.println("result="+result); } } }