example using for find value of the series

//Program using for construct

//1+1/1!+1/2!+1/3!+1/4!

package flowcontrol;

public class ForContruct {

    public static void main(String[] args) {
        int i,j,no;
        float sum=1.0f;
        int prod;
        for(i=1 ; i<5;i++){
                //find factorial of i
                   prod=1;
                   for(j=1;j<=i;j++){
                        prod=prod * j;
  
                   }
           System.out.print(prod);
           sum=sum + 1.0F/prod;
        }
        System.out.println(" sum = " + sum);

    }

}

output:     12624 sum = 2.7083335