выводит всё корректно, но валик недоволен
package com.javarush.task.task16.task1630;
import java.io.*;
/*
Последовательный вывод файлов
*/
public class Solution {
public static String firstFileName;
public static String secondFileName;
//add your code here - добавьте код тут
public static void main(String[] args) throws InterruptedException {
try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
firstFileName =br.readLine();
secondFileName =br.readLine();
}
catch(IOException e) {
e.printStackTrace();
}
systemOutPrintln(firstFileName);
systemOutPrintln(secondFileName);
}
public static void systemOutPrintln(String fileName) throws InterruptedException {
ReadFileInterface f = new ReadFileThread();
f.setFileName(fileName);
f.start();
f.join();
System.out.println(f.getFileContent());
}
public interface ReadFileInterface {
void setFileName(String fullFileName);
String getFileContent();
void join() throws InterruptedException;
void start();
}
public static class ReadFileThread extends Thread implements ReadFileInterface {
private String fullFileName;
private String content = "";
@Override
public void setFileName(String fullFileName) {
this.fullFileName = fullFileName;
}
@Override
public String getFileContent() {
return content;
}
@Override
public void run() {
try {
BufferedReader bf = new BufferedReader(new FileReader(fullFileName));
while (bf.ready()) {
content += bf.readLine() + " ";
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
}