Adding missing files

src/main/java/analyzer/exercises/loglevels/PreferStringConcatenation.java

@@ -0,0 +1,19 @@
+package analyzer.exercises.loglevels;
+
+import analyzer.Comment;
+
+/**
+ * @see <a href="https://github.com/exercism/website-copy/blob/main/analyzer-comments/java/log-levels/avoid_using_string_format.md">Markdown Template</a>
+ */
+class PreferStringConcatenation extends Comment {
+
+    @Override
+    public String getKey() {
+        return "java.log-levels.prefer_string_concatenation";
+    }
+
+    @Override
+    public Type getType() {
+        return Type.INFORMATIVE;
+    }
+}

src/test/resources/analyzer/AnalyzerIntegrationTest.loglevels.NotUsingSubstringOnBothMethods.approved.txt

@@ -0,0 +1,14 @@
+{
+  "comments": [
+    {
+      "comment": "java.log-levels.use_substring_method",
+      "params": {},
+      "type": "actionable"
+    },
+    {
+      "comment": "java.general.feedback_request",
+      "params": {},
+      "type": "informative"
+    }
+  ]
+}

src/test/resources/scenarios/log-levels/NotUsingSubstringOnBothMethods.java

@@ -0,0 +1,15 @@
+package scenarios.loglevels;
+
+public class LogLevels {
+    public static String message(String logLine) {
+        return logLine.split("]: ")[1].trim();
+    }
+
+    public static String logLevel(String logLine) {
+        return logLine.split("]: ")[0].replace("[", "").toLowerCase();
+    }
+
+    public static String reformat(String logLine) {
+        return message(logLine) + " (" + logLevel(logLine) + ")";
+    }
+}