Java Programs Made Easy

Q)...Retrieve the palindorme-true number set from given number limit and return the sum
input1:90 input2:120
logic:99+101+111
output:311

1. package Set1;
2. import java.util.*;
3. public class ClassSet13 {
4.  public static int sumOfPalindromeNos(int n1,int n2){
5.   List<Integer> l1=new ArrayList<Integer>();
6.   for(int i=n1;i<=n2;i++){
7.    int r=0,n3=i;
8.    while(n3!=0){
9.     r=(r*10)+(n3%10);
10.     n3=n3/10; }
11.    if(r==i)
12.     l1.add(i);  }
13.   System.out.println(l1);
14.   int s=0;
15.   for(int i=0;i<l1.size();i++)
16.    s+=l1.get(i);
17.   return s;
18.  }
19.  public static void main(String[] args) {
20.   Scanner s=new Scanner(System.in);
21.   System.out.println("enter the range:");
22.   int n1=s.nextInt();
23.   int n2=s.nextInt();
24.   System.out.println("sum of palindrome nos.within given range is:"+sumOfPalindromeNos(n1,n2));
25.  }
26. }