highest prime number in given range in java

Write a program to find highest prime number in given range.

Find  highest prime number in given range using java.

// highest prime number in given range

import java.io.*;

public class highestprimenumber {

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

            {

                        int num1,num2,i,a=0,count,j;

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

                        System.out.println("enter the range from where to next u want highest prime number");

                        num1=Integer.parseInt(br.readLine());

                        num2=Integer.parseInt(br.readLine());

                        for(i=num2;i>num1;i--)

                        {

                                    count=0;

                                    for(j=2;j<i;j++)

                                    {

                                                a=i%j;

                                                if(a==0)

                                                {

                                                            count++;

                                                }

                                    }

                                    if(count==0)

                                    {

                        System.out.print("highest prime number between the given range is: "+i);

                                                break;

                                    }                      

                        }

            }

}