Complete task

src/main/java/Main.java

@@ -0,0 +1,10 @@
+import core.basesyntax.FileWork;
+import java.util.Arrays;
+
+public class Main {
+    public static void main(String[] args) {
+        FileWork work = new FileWork();
+        System.out.println(Arrays.toString(work.readFromFile("test2")));
+        String a = "";
+    }
+}

src/main/java/core/basesyntax/FileWork.java

@@ -1,8 +1,47 @@
 package core.basesyntax;
 
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.util.Arrays;
+
 public class FileWork {
     public String[] readFromFile(String fileName) {
-        //write your code here
-        return null;
+        int counter = 0;
+        File file = new File(fileName);
+        String [] out;
+
+        try {
+            String array = Files.readAllLines(file.toPath()).toString();
+            String [] strings = array.split("\\W+");
+
+            for (int i = 0; i < strings.length; i++) {
+                if (strings[i].isEmpty()) {
+                    continue;
+                }
+                if (strings[i].charAt(0) == 'w' || strings[i].charAt(0) == 'W') {
+                    counter++;
+                }
+            }
+            if (counter == 0) {
+                return new String[0];
+            } else {
+                out = new String[counter];
+                for (int i = 0, j = 0; i < strings.length; i++) {
+                    if (strings[i].isEmpty()) {
+                        continue;
+                    }
+                    if (strings[i].charAt(0) == 'w' || strings[i].charAt(0) == 'W') {
+                        out[j] = strings[i].toLowerCase();
+                        j++;
+                    }
+                }
+            }
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+        // Sort by alphabet
+        Arrays.sort(out);
+        return out;
     }
 }