寻找Coder

package 寻找Coder;

import java.util.Arrays;

class Recorder implements Comparable<Recorder>{
    private String str;
    private int cnt;

    public Recorder(String str, int cnt) {
        super();
        this.str = str;
        this.cnt = cnt;
    }

    public String getStr() {
        return str;
    }

    public int getCnt() {
        return cnt;
    }

    @Override
    public int compareTo(Recorder o) {
        // TODO Auto-generated method stub
        if ( this.cnt != o.cnt){
            return o.cnt - this.cnt;
        }
        return 0;
    }


}

public class Coder{

    public String[] findCoder(String[] A, int n) {
        // write code here
        Recorder[] recorders = new Recorder[n];
        String str = "coder";
        for ( int i = 0 ; i < n ; i++){
            String tmp = A[i].toLowerCase();
            int cnt = 0;
            for ( int j = 0 ; j < tmp.length() ; j++){
                if (tmp.substring(j, j+5).equals(str)){
                    cnt++;
                    j += 5;
                    continue;
                }
            }
            recorders[i] = new Recorder(A[i], cnt);
        }
        Arrays.sort(recorders);

        String[] coder = new String[n];
        for ( int i = 0 ; i < n ; i++){
            coder[i] = recorders[i].getStr();
        }

        return coder;
    }
}