Write java code to check whether given number is prime or not

import java.io.*;

class CheckPrime
{
public static void main(String args[]) throws IOException
{
int num,i;
System.out.println("Enter a number:");
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
num=Integer.parseInt(br.readLine());
for(i=2;i<num;i++)
{
if(num%i==0)
{
System.out.println("Not Prime");
break;
}
}
if(i==num)
{
System.out.println("Prime");
}
}

}