Page 535 - Cs_withBlue_J_C11_Flipbook
P. 535
24 x=num;
25 while(x!=0)
26 {
27 rev=rev*10 + x%10;
28 x=x/10;
29 }
30 orgnum=isprime(f);
31 num=rev;
32 f=2;
33 revnum=isprime(f);
34 if(orgnum==1 && revnum==1)
35 System.out.println(num+"is an emirp no");
36 else
37 System.out.println(num+"is not an emirp no.");
38 }
39
40 public static void main(String[] args)
41 {
42 int numcheck;
43 Scanner sc= new Scanner(System.in);
44 System.out.println("Enter the number:");
45 numcheck=sc.nextInt();
46 Emirp obj=new Emirp(numcheck);
47 obj.isEmirp();
48 }
49 }
The output of the preceding program is as follows:
Enter the number: 71
17is an emirp no
Variable Description
NAME TYPE DESCRIPTION
num int To store the num
rev int Reverse of num
f int Flag variable
x int Temporary variable to store the sum
533
Internal Assessment 533

