Fix language pattern randomness issue

src/main/java/app/model/languages/Java.java

@@ -3,7 +3,10 @@ package app.model.languages;
 import java.net.URL;
 import java.util.AbstractMap;
 import java.util.Arrays;
+import java.util.LinkedHashMap;
+import java.util.List;
 import java.util.Map;
+import java.util.AbstractMap.SimpleEntry;
 import java.util.Map.Entry;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
@@ -30,11 +33,12 @@ public class Java implements ProgrammingLanguage {
   };
 
   private static Entry<Pattern, String> e(String k, String v) {
-    return new AbstractMap.SimpleEntry<>(Pattern.compile(k), v);
+    return new SimpleEntry<>(Pattern.compile(k), v);
   }
 
-  private static final Map<Pattern, String> pattern = 
-    Map.ofEntries(
+
+  private static final List<Entry<Pattern, String>> patternList =
+    List.of(
       e("\"([^\"\\\\]|\\\\.)*\"",       "string"),
       e("\\bthis\\b",                   "this"),
       e("\\btrue\\b",                   "true"),
@@ -50,6 +54,14 @@ public class Java implements ProgrammingLanguage {
                                         "keyword"),
       e("(?://.*)|/\\*(?:\\n|.)*?\\*/", "comment")
     );
+  
+  private static Map<Pattern, String> pattern;
+
+  public Java() {
+    pattern = new LinkedHashMap<>();
+    patternList
+      .forEach(e -> pattern.put(e.getKey(), e.getValue()));
+  }
 
   public String getName() {
     return this.name;
@@ -60,6 +72,7 @@ public class Java implements ProgrammingLanguage {
   }
 
   public Map<Pattern, String> getPatternMap() {
+
     return Java.pattern;
   }
 

src/main/java/app/model/languages/Markdown.java

@@ -3,6 +3,8 @@ package app.model.languages;
 import java.net.URL;
 import java.util.AbstractMap;
 import java.util.Arrays;
+import java.util.LinkedHashMap;
+import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.regex.Pattern;
@@ -19,8 +21,8 @@ public class Markdown implements ProgrammingLanguage {
     return new AbstractMap.SimpleEntry<>(Pattern.compile(k), v);
   }
 
-  private static final Map<Pattern, String> pattern = 
-    Map.ofEntries(
+  private static final List<Entry<Pattern, String>> patternList = 
+    List.of(
       e("<!--(?:.|\n)*-->", "comment"),
       e("##### .*", "ssssheader"),
       e("#### .*", "sssheader"),
@@ -38,6 +40,14 @@ public class Markdown implements ProgrammingLanguage {
       e("\\[\\d+\\]: .*", "source")
     );
 
+  private static Map<Pattern, String> pattern;
+
+  public Markdown() {
+    pattern = new LinkedHashMap<>();
+    patternList
+      .forEach(e -> pattern.put(e.getKey(), e.getValue()));
+  }
+
   public String getName() {
     return this.name;
   }