13.Occurencences of strings

import java.util.*;
import java.lang.*;
class occurs
{
    public static void main(String args[])
    {
        Scanner t = new Scanner (System.in);
        System.out.println("enter 1st string");
        String s1 = t.next();
        int n1 = s1.length();
        System.out.println("enter the 2nd string ");
        String s2 = t.next();
        int n2 = s2.length();
        int i,count=0;
        String temp;
        for(i=0;i<=n1-n2;i++)
        {
            temp = s1.substring(i,i+n2);
            if(s2.equals(temp))
            {
                count++;
            }
        }
        System.out.println("Occurences of 2nd string in 1st string is "+count+" times");
    }
}