Create isbn.java

lakshay-droid · web-flow · commit eeb2ac060aac · 2020-10-18T10:21:17.000+05:30
diff --git a/isbn.java b/isbn.java
@@ -0,0 +1,35 @@
+#https://www.facebook.com/lakshay.gulati.5/posts/3439658002768650
+# subscribed by Lakshay
+
+import java.util.Scanner;
+
+public class isbn {
+
+    public static void main(String[] args) {
+        System.out.println("enter the 10 digit ISBN");
+        long store[];
+        long sum=0;
+        store = new long[10];
+        Scanner scan = new Scanner(System.in);
+        String num= scan.next();
+        long num1 = Long.parseLong(num);
+        if(num.length()==10){
+            for (int i=9;i>=0;i--){
+                store[i]=(num1%10);
+                num1=(num1/10);
+                sum=sum+(store[i]*(i+1));
+            }
+            System.out.println(sum);
+           if ((sum%11)==0) {
+               System.out.println("Legal ISBN");
+           }
+            else{
+                System.out.println("Illegal ISBN");
+            }
+
+        }
+        else{
+            System.out.println("Illegal ISBN");
+        }
+    }
+}
