Написать ф-ю, которая сохранит содержимое каталога в список и выведет первые 5 элементов на экран.

findFiles

package SafeCatalog;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;

public class findFiles {
	
	ArrayList <File> list;

	public findFiles (String Path) throws IOException{
		
		System.out.println("----------------------------------");
		System.out.println("A list of files a direcktory..." + Path);
		System.out.println("----------------------------------");
		
		list = new ArrayList<File>();
		File f = new File (Path);
		File[] listFiles = f.listFiles();
		int i=0;	
		for(File f1 :listFiles){		
			list.add(f1);
			System.out.println(list.get(i++));
		}
	}
	
	public ArrayList<File> getList(){
		return list;
	}
	
	public File getIndex(int i){
		return list.get(i);
	}

}

ReadFile

package SafeCatalog;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class ReadFile {
	public ReadFile (String path, int cont) throws IOException{
		
		System.out.println("----------------------------------------");
		System.out.println("Shows the first five files..." + path);
		System.out.println("----------------------------------------");

		String line; 	
		try(BufferedReader reader = new BufferedReader(new FileReader(path))){
			int i = 0;
			while ((line = reader.readLine()) != null) {
				System.out.println(line);
				if(i ==(cont-1)){
					System.out.println("----------------------------------------");
					return;	
				}
							
			i++;
					
				}	
		}

		
			
	}	 
		
	

}

WriteToFileList

package SafeCatalog;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;

public class WriteToFileList {
	
	public WriteToFileList(String path, ArrayList<File> list) throws IOException{
		System.out.println("------------------------------------");
		System.out.println("Write to the file list..." + path);
		System.out.println("------------------------------------");	
		
		byte [] bt;
		try (FileOutputStream inFile = new FileOutputStream(path)){		
			
			for(File f: list){
				bt = (f.getCanonicalPath() + System.getProperty("line.separator")).getBytes();
				inFile.write(bt);
				}	
		}
	}
}

WriteToFileList1

package SafeCatalog;

  /*Написать ф-ю, которая сохранит содержимое каталога в список и
	выведет первые 5 элементов на экран.*/

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;

public class MyClass {

	public static void main(String[] args) throws IOException { 
		
		String pathDir = "d:\\1";
		String pathFile = "d:\\1\\5.txt";
		
		findFiles ff = new findFiles(pathDir);		
		WriteToFileList wtf = new  WriteToFileList (pathFile, ff.getList());
		ReadFile rf = new ReadFile (pathFile, 5) ;
	}

}

yConsole

----------------------------------
A list of files a direcktory...d:\1
----------------------------------
d:\1\2
d:\1\5.txt
d:\1\D.docx
d:\1\eAtygv
d:\1\FileWriteThreat.txt
d:\1\info.txt
d:\1\N1.txt
d:\1\n2.txt
d:\1\n3.txt
d:\1\NA.java
d:\1\Новая папка
------------------------------------
Write to the file list...d:\1\5.txt
------------------------------------
----------------------------------------
Shows the first five files...d:\1\5.txt
----------------------------------------
D:\1\2
D:\1\5.txt
D:\1\D.docx
D:\1\eAtygv
D:\1\FileWriteThreat.txt
----------------------------------------