Помогите разобраться
package com.javarush.task.task16.task1628;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
public class Solution {
public static volatile AtomicInteger readStringCount = new AtomicInteger(0);
public static volatile BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
public static void main(String[] args) throws IOException {
//read count of strings
int count = Integer.parseInt(reader.readLine());
//init threads
ReaderThread consolReader1 = new ReaderThread();
ReaderThread consolReader2 = new ReaderThread();
ReaderThread consolReader3 = new ReaderThread();
consolReader1.start();
consolReader2.start();
consolReader3.start();
while (count > readStringCount.get()) {
}
consolReader1.interrupt();
consolReader2.interrupt();
consolReader3.interrupt();
System.out.println("#1:" + consolReader1);
System.out.println("#2:" + consolReader2);
System.out.println("#3:" + consolReader3);
reader.close();
}
public static class ReaderThread extends Thread {
private List<String> result = new ArrayList<String>();
public void run() {
String a;
try {
while (!this.isInterrupted()){
if(reader.ready()) {
a = reader.readLine();
readStringCount.incrementAndGet();
result.add(a);
//System.out.println(readStringCount);
//System.out.println(result.get(result.size()-1));
}
}
reader.close();
}
catch (IOException e){
//System.out.println(e);
}
}
@Override
public String toString() {
return result.toString();
}
}
}