Olympic ফইন্নি version

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;

public class Olympics {

    public static void main(String[] args) {

        int j;
        boolean flag = true;
        int temp;
        String temp1;

        int[] A = new int[4];
        String[] string = new String[4];
        int[] num = new int[4];
        try {
            BufferedReader reader1 = new BufferedReader(new FileReader("olympics.txt"));
            BufferedWriter reader2 = new BufferedWriter(new FileWriter("processed.txt", true));

            String line;

            for(int i=0;i<4;i++){
                line=reader1.readLine();
                if(line==null)
                    break;

                String[] splitted = line.split(" ");
                for(String x: splitted){
                    if(A[i]==0){
                        string[i] = x;
                        A[i]++;
                    }
                    else{
                        num[i] += Integer.parseInt(x);
                    }
                }

            }

            while ( flag =false ){

                for( j=0;  j < num.length -1;  j++ )
                {
                    if ( num[ j ] < num[j+1] )
                    {
                        temp = num[ j ];
                        temp1 = string[j];
                        num[ j ] = num[ j+1 ];
                        string[j] = string[j+1];
                        num[ j+1 ] = temp;
                        string[j+1] = temp1;
                        flag = true;
                    }
                }
            }

            for(int p=0;p<4;p++){
                reader2.write(string[p]+" "+num[p]);
                reader2.newLine();
                reader2.flush();

            }
            reader2.close();

        } catch (Exception ex) {
            System.out.println(ex);
        }
    }

}