How can I re-organize String lines

Question

Hello My String consists of random lines. Every line has an priority number. Example of a String:
Done     id     pri     created          finished     description     
     000     1     2006-12-11     -          job     
x     001     2     2006-12-11     -     do this     
     002     3     2006-12-11     -          work
x     003     0     2006-12-11     -          some
     004     2     2006-12-11     -          thing
     005     1     2006-12-11     -          reads
     006     0     2006-12-11     -          here
Every "token" is seperated by \t (done \t id \t ....\t 000 \t 1 \t 2006-12-12 \t...)
How can I organize the String and save it to another String so that pri-values are in a descending order:
Done     id     pri     created          finished     description     
002     3     2006-12-11     -          work
x     001     2     2006-12-11     -     do this     
004     2     2006-12-11     -          thing
000     1     2006-12-11     -          job     
005     1     2006-12-11     -          reads
x     003     0     2006-12-11     -          some
     006     0     2006-12-11     -          here

Answer 1

I'm trying but I don't know what I'm doing
import java.io.*;                
import java.util.*;                    
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Comparator;
public class Start {
public static void main(String[] args) throws IOException {
sort();
public static void sort() throws IOException  {
     class Work implements Comparable {
     String id;
     int pri;
     String d1;
     String d2;
     String job;
     public Work(String id, int pri, String d1, String d2, String job){
          this.id = id;
          this.pri = pri;
          this.d1 = d1;
          this.d2 = d2;
          this.job = job;
     BufferedReader reader = new BufferedReader(new FileReader("Tehtava.txt"));
     //BufferedWriter writer = new BufferedWriter(new FileWriter("Tempo.txt"));
     String lookingFor3 = "-";
     String line = null;
     while ((line = reader.readLine()) != null) {     //---------------z
               String[]result = line.split("\t");
               List tasks = new ArrayList();
               if (result[4].equals(lookingFor) == true) {     
               tasks.add(new Work(line));     
               continue;
               public int getpri()     {
               return pri;          }
               public int compareTo(Object o)     {
               Work otherWork = (Work) o;
               return this.getpri().compareTo(otherWork.getpri());     }
          Collections.sort(tasks); //-------------------x
          System.out.print(tasks); //------------------x
          //reader.close();
}I don't know what but Where and I'm getting errors like:
<identifier> expected
for lines ------------x
illegal start of type:
for line -------------z