Question

Write a menu driven class to accept a number from the user and check whether it is a palindrome or a prefect number. a.Palindrome number-(a plindrome number when read in the reverse order is same as when read in the right order)Example:11,101,151,etc.
b.Prefect number-(a number is called Prefect if it is equal to the sum of its factors other than the number itself)Example:6=1+2+3

Answer 1

Answer:

palindrome no.

Explanation:

int n=Integer.parseInt(br.readLine());

//input the no. in 'n'

int r=0; int copy=n;

while(n>0)

{d=n%10;

r=r*10+d;

n/=10;

}

if(r==copy)

System.out.println(n+"is a aplindrome no.");

else

System.out.println(n+"is not apalindrome no.");