Strong number program in java

Java program to check given number is strong or not



import java.io.*;




class Test {

public static void main(String[] args) throws IOException {

int num,i,f,r,sum=0,temp;

System.out.println("Enter a number");

BufferedReader br=new BufferedReader(new InputStreamReader (System.in));

num=Integer.parseInt(br.readLine());

temp=num;