Разбор текстового файла на слова

import java.io.IOException;
 
public class Main {
    
    public static void main(String[] args) throws IOException  {
    String path = "C://Programming//testFile.txt";
    String copyPath = "C://Programming//testFile2.txt";
    // The Libertines - Gunga Din
    String [] text = {"Woke up again to my chagrin", "Getting sick and tired of feeling sick and tired again",
            "I tried to write, because I got the right", "To make it look as if I’m doing something with my life",
            "Got to find a vein, it’s always the same", "And a drink to ease the panic and the suffering",
            "I woke up again Dreamt of Gunga Din", "Oh, the road is long", "If you stay strong",
            "You’re a better man than I", "You’ve been beaten and flayed", "Probably betrayed",
            "You’re a better man than I", "Woke up again to my evil twin", 
            "The mirror is fucking ugly and I’m sick and tired of looking at him",
            "Been up all night,", "I’ll probably pick a fight", "'Coz I can’t help it,", 
            "I’m bastard in the morning So I try to write,", "I think I have the right",
            "A little drink-y now and then to help me just to see the light", 
            "Just another day, it feels like nothing’s changed",
            "Oh fuck it, oh here I go again"};
    
    FileCopyMaker.createStringFile(path, text);
    FileCopyMaker.smartCopyFile(path, copyPath, "I");
    System.out.println(FileCopyMaker.findShortestWord(copyPath));
    }
    
}

File C://Programming//testFile.txtcreated.
Copied string to C://Programming//testFile2.txt
1

public static void smartCopyFile (String originalPath, String copyPath)
            throws IOException{
        
        //чтение файла
        File file = new File(originalPath);
        BufferedReader bf = new BufferedReader(new FileReader(file));
        List<String> text = new ArrayList<String>();
        String line;
        while ((line = bf.readLine()) != null){ 
            text.add(line); 
        }
        
        //запись в файл
        
        PrintStream out = new PrintStream(new FileOutputStream(copyPath));
 
        for (int i = 0; i < text.size(); i++){
        String[] words = text.get(i).split(" ");
        char[] startChars = new char[words.length];
        boolean repeatFound = false;
        for (int j = 0; j < words.length; j++){
            startChars[j] = words[j].charAt(0);
            for (int k = 0; k < j; k++){
                if (startChars[j] == startChars[k]) repeatFound = true;
            }
        }
            
            if (!repeatFound) out.println(text.get(i));
        }
        
        
        out.close();
        System.out.println("Copied string to " + copyPath); 
    }

File fil = new File("C:\\1J\\Z1.txt");
    String zc ;
    BufferedReader bf = new BufferedReader(new FileReader(fil));
    List<String> text = new ArrayList<String>();
    String line;
    while ((line = bf.readLine()) != null){ 
        text.add(line); 
    }

import java.awt.List;

java.util.List;