Compact

import chn.util.*;
import apcslib.*;

public class Compact {
    public static String Compact(int[] data, int logSize){
        int endSize = logSize;
        String answer = "";
        for (int i = 0; i < endSize; i++){
            if (data[i] == 0){
                for(int loop = i; loop < endSize; loop++){
                    if((loop + 1) >= endSize - 1){
                            break;
                    }
                    data[loop] = data[loop + 1];
                }
                i--;
                endSize--;
            }
        }
        for(int p = 0; p < endSize; p ++){
            answer += data[p] + " ";
        }
        return answer;
    }
    public static void main(String[] args) {
        final int MAX = 20;
        int[] data = new int[MAX];
        FileInput inFile = new FileInput("compact.txt");
        int logSize = 0;
        while (inFile.hasMoreTokens()){
                int number = inFile.readInt();
                data[logSize] = number;
                logSize++;
        }
        System.out.print("Before: ");
        for(int k = 0; k < data.length; k++){
            System.out.print(data[k] + " ");
        }
        System.out.println();
        System.out.println("After: " + Compact(data, logSize));
    }
}