create FileWork

pom.xml

@@ -41,7 +41,6 @@
                 </executions>
                 <configuration>
                     <configLocation>${maven.checkstyle.plugin.configLocation}</configLocation>
-                    <encoding>UTF-8</encoding>
                     <consoleOutput>true</consoleOutput>
                     <failsOnError>true</failsOnError>
                     <linkXRef>false</linkXRef>

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

@@ -1,8 +1,39 @@
 package core.basesyntax;
 
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+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));
+            String value = bufferedReader.readLine();
+
+            while (value != null) {
+                String[] strings = value.split(" ");
+                for (String str : strings) {
+                    String st = str.toLowerCase().replaceAll("[!?.]","");
+                    if (st.startsWith("w")) {
+                        stringBuilder.append(st).append(" ");
+                    }
+                }
+
+                String ff = stringBuilder.toString();
+                value = bufferedReader.readLine();
+            }
+        } catch (Exception e) {
+            throw new RuntimeException("Can't read file",e);
+        }
+        if (!stringBuilder.isEmpty()) {
+            String[] str = stringBuilder.toString().split(" ");
+            Arrays.sort(str);
+            return str;
+        } else {
+            return new String[0];
+        }
     }
 }