diff --git a/ex.txt b/ex.txt
new file mode 100644
index 0000000..ff03e5b
--- /dev/null
+++ b/ex.txt
@@ -0,0 +1,21 @@
+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);
+       }	
+ 
+ }
+}