Done

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

@@ -1,8 +1,43 @@
 package core.basesyntax;
 
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.Arrays;
+
 public class FileWork {
+
     public String[] readFromFile(String fileName) {
-        //write your code here
-        return null;
+        File file = new File(fileName);
+        StringBuilder stringBuilder = new StringBuilder();
+        try (BufferedReader bufferedReader = new BufferedReader(new FileReader(file))) {
+            int value = bufferedReader.read();
+            while (value != -1) {
+                stringBuilder.append((char)value);
+                value = bufferedReader.read();
+
+            }
+
+        } catch (FileNotFoundException e) {
+            throw new RuntimeException("can't read file",e);
+        } catch (IOException e) {
+            throw new RuntimeException("cant't read ",e);
+        }
+        String[] values = stringBuilder.toString().split("\\W+");
+        StringBuilder update = new StringBuilder();
+        for (String value:values) {
+            if (value.startsWith("W") || value.startsWith("w")) {
+                update.append(value.toLowerCase()).append(" ");
+            }
+        }
+        if (!update.isEmpty()) {
+            String[] result = update.toString().split(" ");
+            Arrays.sort(result);
+            return result;
+        }
+
+        return new String[0];
     }
 }