diff --git a/task01/src/com/example/task01/Task01Main.java b/task01/src/com/example/task01/Task01Main.java
index 5dfc11b0..2690e944 100644
--- a/task01/src/com/example/task01/Task01Main.java
+++ b/task01/src/com/example/task01/Task01Main.java
@@ -1,7 +1,8 @@
 package com.example.task01;
-
+import java.io.BufferedReader;
 import java.io.File;
 import java.io.IOException;
+import java.io.InputStreamReader;
 
 public class Task01Main {
     public static void main(String[] args) throws IOException, InterruptedException {
@@ -11,10 +12,30 @@ public static void main(String[] args) throws IOException, InterruptedException
         /*
         System.out.println(extractSoundName(new File("task01/src/main/resources/3727.mp3")));
         */
+        System.out.println(extractSoundName(new File("C:\\Users\\Олег\\8-java-io2\\task01\\src\\main\\resources\\3727.mp3")));
     }
 
     public static String extractSoundName(File file) throws IOException, InterruptedException {
-        // your implementation here
-        return "sound name";
+        String ffprobe = "C:\\Users\\Олег\\Downloads\\ffmpeg-master-latest-win64-gpl\\ffmpeg-master-latest-win64-gpl\\bin\\ffprobe.exe";
+
+        ProcessBuilder processBuilder = new ProcessBuilder();
+        processBuilder.command(ffprobe, "-v", "error", "-of", "flat", "-show_format", file.getAbsolutePath())
+                .redirectErrorStream(true);
+
+        Process process = processBuilder.start();
+        String line;
+        String title;
+        try(BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()))){
+            line = reader.readLine();
+            while(line != null) {
+                if (line.contains("title")) {
+                    title = line.split("=")[1].replace("\"", "");
+                    return title;
+                }
+                line = reader.readLine();
+            }
+        }
+
+        return null;
     }
 }
diff --git a/task02/src/com/example/task02/Task02Main.java b/task02/src/com/example/task02/Task02Main.java
index 750f7bab..40f8db1b 100644
--- a/task02/src/com/example/task02/Task02Main.java
+++ b/task02/src/com/example/task02/Task02Main.java
@@ -1,8 +1,13 @@
 package com.example.task02;
-
+import java.io.File;
 import java.io.IOException;
 import java.nio.file.Path;
 import java.util.List;
+import java.nio.file.DirectoryStream;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.stream.Stream;
 
 public class Task02Main {
     public static void main(String[] args) throws IOException, InterruptedException {
@@ -13,11 +18,17 @@ public static void main(String[] args) throws IOException, InterruptedException
         System.out.println(listFiles(Paths.get("task02/src/main/resources/")));
         */
 
+
     }
 
     public static List<Path> listFiles(Path rootDir) throws IOException, InterruptedException {
-        // your implementation here
+        List<Path> fileList = new ArrayList<>();
+
+        try (Stream<Path> paths = Files.walk(rootDir)) {
+            paths.filter(Files::isRegularFile)
+                    .forEach(fileList::add);
+        }
 
-        return null;
+        return fileList;
     }
 }
diff --git a/task03/src/com/example/task03/SampleData.java b/task03/src/com/example/task03/SampleData.java
index 0654af50..90b801fc 100644
--- a/task03/src/com/example/task03/SampleData.java
+++ b/task03/src/com/example/task03/SampleData.java
@@ -1,9 +1,9 @@
 package com.example.task03;
-
+import java.io.Serializable;
 import java.util.Date;
 import java.util.Objects;
 
-public class SampleData {
+public class SampleData implements Serializable {
     static final long serialVersionUID = 132706691457162967L;
 
     String name;
diff --git a/task03/src/com/example/task03/Task03Main.java b/task03/src/com/example/task03/Task03Main.java
index 740fff14..98e38c54 100644
--- a/task03/src/com/example/task03/Task03Main.java
+++ b/task03/src/com/example/task03/Task03Main.java
@@ -1,8 +1,8 @@
 package com.example.task03;
-
+import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
-
+import java.io.ObjectInputStream;
 public class Task03Main {
     public static void main(String[] args) throws IOException, ClassNotFoundException {
         //здесь вы можете вручную протестировать ваше решение, вызывая реализуемый метод и смотря результат
@@ -15,7 +15,8 @@ public static void main(String[] args) throws IOException, ClassNotFoundExceptio
     }
 
     public static SampleData deserialize(InputStream inputStream) throws IOException, ClassNotFoundException {
-        // your implementation here
-        return null;
+        try(ObjectInputStream ois = new ObjectInputStream(inputStream)){
+            return (SampleData) ois.readObject();
+        }
     }
 }