Merge pull request #3575 from nguyennamthai/BAEL-1500

Modifies the Data class

core-java/src/main/java/com/baeldung/javac/Data.java

@@ -1,28 +1,16 @@
 package com.baeldung.javac;
 
-import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
-public class Data implements Serializable {
-    static List<String> textList = new ArrayList();
+public class Data {
+    List<String> textList = new ArrayList();
 
-    private static void addText() {
-        textList.add("baeldung");
-        textList.add(".");
-        textList.add("com");
+    public void addText(String text) {
+        textList.add(text);
     }
 
     public List getTextList() {
-        this.addText();
-        List<String> result = new ArrayList<String>();
-        String firstElement = (String) textList.get(0);
-        switch (firstElement) {
-        case "baeldung":
-            result.add("baeldung");
-        case "com":
-            result.add("com");
-        }
-        return result;
+        return this.textList;
     }
-}
+}