Kód: Vybrať všetko

import java.io.*;

class cat  {

  public static void main (String args[]) {
  
    String trol = "";
 

 
     //Open the file for reading
     try {
       BufferedReader br = new BufferedReader(new FileReader("subor.txt"));
       while (br.readLine() != null) { // while loop begins here
         System.out.println(br.readLine());
         trol = trol + "\\n"+br.readLine();
       } // end while 
     } // end try
     catch (IOException e) {
       System.err.println("Error: " + e);
     }
  System.out.println(trol);
} // end main

}