Fix checkstyle issues in src/main

src/main/java/seedu/address/logic/parser/TagCommandParser.java

@@ -48,7 +48,7 @@ public TagCommand parse(String args) throws ParseException {
 
         // Convert tag values to Tag objects
         List<Tag> tags = tagValues.stream()
-                .map(TagName::new)  // Convert each string to a TagName object
+                .map(TagName::new) // Convert each string to a TagName object
                 .map(Tag::new)
                 .collect(Collectors.toList());
 

src/main/java/seedu/address/model/AddressBook.java

@@ -66,7 +66,9 @@ public void resetData(ReadOnlyAddressBook newData) {
      * Replaces the contents of the tag list with {@code tags}.
      * {@code tags} must not contain duplicate tags.
      */
-    public void setTags(List<Tag> tags) { this.tags.setTags(tags); }
+    public void setTags(List<Tag> tags) {
+        this.tags.setTags(tags);
+    }
 
     //// person-level operations
 
@@ -109,7 +111,9 @@ public void removePerson(Person key) {
      * Adds a tag to the address book.
      * The tag must not already exist in the address book.
      */
-    public void addTag(Tag tag) { tags.add(tag); }
+    public void addTag(Tag tag) {
+        tags.add(tag);
+    }
 
     /**
      * Returns true if a tag with the same name as {@code tag} exists in the address book.
@@ -145,7 +149,9 @@ public ObservableList<Person> getPersonList() {
     }
 
     @Override
-    public ObservableList<Tag> getTagList() { return tags.asUnmodifiableObservableList(); }
+    public ObservableList<Tag> getTagList() {
+        return tags.asUnmodifiableObservableList();
+    }
 
     @Override
     public boolean equals(Object other) {
@@ -166,6 +172,4 @@ public boolean equals(Object other) {
     public int hashCode() {
         return persons.hashCode();
     }
-
-
-}
+}

src/main/java/seedu/address/model/Model.java

@@ -105,4 +105,4 @@ public interface Model {
      * @throws NullPointerException if {@code predicate} is null.
      */
     void updateFilteredTagList(Predicate<Tag> predicate);
-}
+}

src/main/java/seedu/address/model/ModelManager.java

@@ -172,5 +172,4 @@ public boolean equals(Object other) {
                 && userPrefs.equals(otherModelManager.userPrefs)
                 && filteredPersons.equals(otherModelManager.filteredPersons);
     }
-
-}
+}

src/main/java/seedu/address/model/ReadOnlyAddressBook.java

@@ -20,4 +20,4 @@ public interface ReadOnlyAddressBook {
      * This list will not contain any duplicate tags.
      */
     ObservableList<Tag> getTagList();
-}
+}

src/main/java/seedu/address/model/tag/Tag.java

@@ -30,6 +30,13 @@ public static boolean isValidTagName(String test) {
         return test.matches(VALIDATION_REGEX);
     }
 
+    /**
+     * Returns true if this tag is considered the same as {@code otherTag}.
+     * Two tags are considered the same if they have the same {@code TagName}.
+     *
+     * @param otherTag The tag to compare with.
+     * @return {@code true} if the tags are the same, {@code false} otherwise.
+     */
     public boolean isSameTag(Tag otherTag) {
         if (otherTag == this) {
             return true;
@@ -39,7 +46,9 @@ public boolean isSameTag(Tag otherTag) {
                 && otherTag.getTagName().equals(getTagName());
     }
 
-    public TagName getTagName() { return tagName; }
+    public TagName getTagName() {
+        return tagName;
+    }
 
     @Override
     public boolean equals(Object other) {
@@ -67,5 +76,4 @@ public int hashCode() {
     public String toString() {
         return '[' + tagName.toString() + ']';
     }
-
-}
+}

src/main/java/seedu/address/model/tag/TagName.java

@@ -67,4 +67,4 @@ public int hashCode() {
     public boolean matches(String validationRegex) {
         return tagName.matches(validationRegex);
     }
-}
+}

src/main/java/seedu/address/model/tag/UniqueTagList.java

@@ -67,6 +67,11 @@ public void setTag(Tag target, Tag editedPerson) {
         internalList.set(index, editedPerson);
     }
 
+    public void setTag(UniqueTagList replacement) {
+        requireNonNull(replacement);
+        internalList.setAll(replacement.internalList);
+    }
+
     /**
      * Removes the equivalent tag from the list.
      * The tag must exist in the list.
@@ -78,11 +83,6 @@ public void remove(Tag toRemove) {
         }
     }
 
-    public void setTag(UniqueTagList replacement) {
-        requireNonNull(replacement);
-        internalList.setAll(replacement.internalList);
-    }
-
     /**
      * Replaces the contents of this list with {@code persons}.
      * {@code persons} must not contain duplicate persons.
@@ -103,6 +103,20 @@ public ObservableList<Tag> asUnmodifiableObservableList() {
         return internalUnmodifiableList;
     }
 
+    /**
+     * Returns true if {@code tags} contains only unique tags.
+     */
+    private boolean tagsAreUnique(List<Tag> tags) {
+        for (int i = 0; i < tags.size() - 1; i++) {
+            for (int j = i + 1; j < tags.size(); j++) {
+                if (tags.get(i).isSameTag(tags.get(j))) {
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+
     @Override
     public Iterator<Tag> iterator() {
         return internalList.iterator();
@@ -132,18 +146,4 @@ public int hashCode() {
     public String toString() {
         return internalList.toString();
     }
-
-    /**
-     * Returns true if {@code tags} contains only unique tags.
-     */
-    private boolean tagsAreUnique(List<Tag> tags) {
-        for (int i = 0; i < tags.size() - 1; i++) {
-            for (int j = i + 1; j < tags.size(); j++) {
-                if (tags.get(i).isSameTag(tags.get(j))) {
-                    return false;
-                }
-            }
-        }
-        return true;
-    }
-}
+}

src/main/java/seedu/address/model/tag/exceptions/DuplicateTagException.java

@@ -8,4 +8,4 @@ public class DuplicateTagException extends RuntimeException {
     public DuplicateTagException() {
         super("Operation would result in duplicate tags");
     }
-}
+}

src/main/java/seedu/address/model/tag/exceptions/TagNotFoundException.java

@@ -3,4 +3,4 @@
 /**
  * Signals that the operation is unable to find the specified tag.
  */
-public class TagNotFoundException extends RuntimeException {}
+public class TagNotFoundException extends RuntimeException {}

src/main/java/seedu/address/storage/JsonAdaptedTag.java

@@ -45,5 +45,4 @@ public Tag toModelType() throws IllegalValueException {
         }
         return new Tag(new TagName(tagName));
     }
-
-}
+}

src/main/java/seedu/address/storage/JsonSerializableAddressBook.java

@@ -70,5 +70,4 @@ public AddressBook toModelType() throws IllegalValueException {
         }
         return addressBook;
     }
-
-}
+}