diff --git a/collector/src/main/java/io/prometheus/jmx/BuildInfoMetrics.java b/collector/src/main/java/io/prometheus/jmx/BuildInfoMetrics.java
index 130edb3d..f9a60a58 100755
--- a/collector/src/main/java/io/prometheus/jmx/BuildInfoMetrics.java
+++ b/collector/src/main/java/io/prometheus/jmx/BuildInfoMetrics.java
@@ -42,6 +42,11 @@
  */
 public class BuildInfoMetrics {
 
+    /** Constructor */
+    public BuildInfoMetrics() {
+        // INTENTIONALLY BLANK
+    }
+
     /**
      * Method to register BuildInfoMetrics
      *
diff --git a/collector/src/main/java/io/prometheus/jmx/JmxCollector.java b/collector/src/main/java/io/prometheus/jmx/JmxCollector.java
index df22ceb1..f1a3f989 100644
--- a/collector/src/main/java/io/prometheus/jmx/JmxCollector.java
+++ b/collector/src/main/java/io/prometheus/jmx/JmxCollector.java
@@ -48,13 +48,17 @@
 import javax.management.ObjectName;
 import org.yaml.snakeyaml.Yaml;
 
+/** Class to implement JmxCollector */
 @SuppressWarnings("unchecked")
 public class JmxCollector implements MultiCollector {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(JmxCollector.class);
 
+    /** Enum to implement Mode */
     public enum Mode {
+        /** Agent mode */
         AGENT,
+        /** Standalone mode */
         STANDALONE
     }
 
@@ -103,10 +107,25 @@ private static class Config {
 
     private final JmxMBeanPropertyCache jmxMBeanPropertyCache = new JmxMBeanPropertyCache();
 
+    /**
+     * Constructor
+     *
+     * @param in in
+     * @throws IOException IOException
+     * @throws MalformedObjectNameException MalformedObjectNameException
+     */
     public JmxCollector(File in) throws IOException, MalformedObjectNameException {
         this(in, null);
     }
 
+    /**
+     * Constructor
+     *
+     * @param in in
+     * @param mode mode
+     * @throws IOException IOException
+     * @throws MalformedObjectNameException MalformedObjectNameException
+     */
     public JmxCollector(File in, Mode mode) throws IOException, MalformedObjectNameException {
         configFile = in;
         this.mode = mode;
@@ -115,20 +134,43 @@ public JmxCollector(File in, Mode mode) throws IOException, MalformedObjectNameE
         exitOnConfigError();
     }
 
+    /**
+     * Constructor
+     *
+     * @param yamlConfig yamlConfig
+     * @throws MalformedObjectNameException MalformedObjectNameException
+     */
     public JmxCollector(String yamlConfig) throws MalformedObjectNameException {
         config = loadConfig(new Yaml().load(yamlConfig));
         mode = null;
     }
 
+    /**
+     * Constructor
+     *
+     * @param inputStream inputStream
+     * @throws MalformedObjectNameException MalformedObjectNameException
+     */
     public JmxCollector(InputStream inputStream) throws MalformedObjectNameException {
         config = loadConfig(new Yaml().load(inputStream));
         mode = null;
     }
 
+    /**
+     * Method to register the JmxCollector
+     *
+     * @return the JmxCollector
+     */
     public JmxCollector register() {
         return register(PrometheusRegistry.defaultRegistry);
     }
 
+    /**
+     * Method to register the JmxCollector
+     *
+     * @param prometheusRegistry prometheusRegistry
+     * @return the JmxCollector
+     */
     public JmxCollector register(PrometheusRegistry prometheusRegistry) {
         this.prometheusRegistry = prometheusRegistry;
 
diff --git a/collector/src/main/java/io/prometheus/jmx/JmxScraper.java b/collector/src/main/java/io/prometheus/jmx/JmxScraper.java
index 8a6c0ef8..16f00b82 100644
--- a/collector/src/main/java/io/prometheus/jmx/JmxScraper.java
+++ b/collector/src/main/java/io/prometheus/jmx/JmxScraper.java
@@ -50,11 +50,25 @@
 import javax.naming.Context;
 import javax.rmi.ssl.SslRMIClientSocketFactory;
 
+/** Class to implement JmxScraper */
 class JmxScraper {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(JmxScraper.class);
 
+    /** Interface to implement MBeanReceiver */
     public interface MBeanReceiver {
+
+        /**
+         * Method to create a bean
+         *
+         * @param domain domain
+         * @param beanProperties beanProperties
+         * @param attrKeys attrKeys
+         * @param attrName attrName
+         * @param attrType attrType
+         * @param attrDescription attrDescription
+         * @param value value
+         */
         void recordBean(
                 String domain,
                 LinkedHashMap<String, String> beanProperties,
@@ -74,6 +88,19 @@ void recordBean(
     private final ObjectNameAttributeFilter objectNameAttributeFilter;
     private final JmxMBeanPropertyCache jmxMBeanPropertyCache;
 
+    /**
+     * Constructor
+     *
+     * @param jmxUrl jmxUrl
+     * @param username username
+     * @param password password
+     * @param ssl ssl
+     * @param includeObjectNames includeObjectNames
+     * @param excludeObjectNames excludeObjectNames
+     * @param objectNameAttributeFilter objectNameAttributeFilter
+     * @param receiver receiver
+     * @param jmxMBeanPropertyCache jmxMBeanPropertyCache
+     */
     public JmxScraper(
             String jmxUrl,
             String username,
diff --git a/collector/src/main/java/io/prometheus/jmx/MatchedRule.java b/collector/src/main/java/io/prometheus/jmx/MatchedRule.java
index fbef982b..774973b4 100644
--- a/collector/src/main/java/io/prometheus/jmx/MatchedRule.java
+++ b/collector/src/main/java/io/prometheus/jmx/MatchedRule.java
@@ -49,6 +49,18 @@ private MatchedRule() {
         this.valueFactor = 1.0;
     }
 
+    /**
+     * Constructor
+     *
+     * @param name name
+     * @param matchName matchName
+     * @param type type
+     * @param help help
+     * @param labelNames labelNames
+     * @param labelValues labelValues
+     * @param value value
+     * @param valueFactor valueFactor
+     */
     public MatchedRule(
             final String name,
             final String matchName,
@@ -68,6 +80,12 @@ public MatchedRule(
         this.valueFactor = valueFactor;
     }
 
+    /**
+     * Method to create a MatchedRule with a value
+     *
+     * @param value value
+     * @return a MatchedRule with a value
+     */
     public MatchedRule withValue(double value) {
         return new MatchedRule(
                 PrometheusNaming.sanitizeMetricName(this.name),
@@ -91,10 +109,20 @@ public static MatchedRule unmatched() {
         return _unmatched;
     }
 
+    /**
+     * Method to return if the rule is unmatched
+     *
+     * @return true if unmatched, else false
+     */
     public boolean isUnmatched() {
         return this == _unmatched;
     }
 
+    /**
+     * Method to return if the rule is matched
+     *
+     * @return true if matched, else false
+     */
     public boolean isMatched() {
         return !isUnmatched();
     }
diff --git a/collector/src/main/java/io/prometheus/jmx/MatchedRuleToMetricSnapshotsConverter.java b/collector/src/main/java/io/prometheus/jmx/MatchedRuleToMetricSnapshotsConverter.java
index 731bab4c..2cfe809b 100644
--- a/collector/src/main/java/io/prometheus/jmx/MatchedRuleToMetricSnapshotsConverter.java
+++ b/collector/src/main/java/io/prometheus/jmx/MatchedRuleToMetricSnapshotsConverter.java
@@ -32,6 +32,7 @@
 import java.util.Set;
 import java.util.logging.Level;
 
+/** Class to implement MatchedRuleToMetricSnapshotsConverter */
 public class MatchedRuleToMetricSnapshotsConverter {
 
     private static final Logger LOGGER =
@@ -39,6 +40,17 @@ public class MatchedRuleToMetricSnapshotsConverter {
 
     private static final String OBJECTNAME = "_objectname";
 
+    /** Constructor */
+    public MatchedRuleToMetricSnapshotsConverter() {
+        // INTENTIONALLY BLANK
+    }
+
+    /**
+     * Method to convert a List of MatchedRules to MetricSnapshots
+     *
+     * @param matchedRules matchedRules
+     * @return a MetricSnapshots
+     */
     public static MetricSnapshots convert(List<MatchedRule> matchedRules) {
         Map<String, List<MatchedRule>> rulesByPrometheusMetricName = new HashMap<>();
 
diff --git a/collector/src/main/java/io/prometheus/jmx/MatchedRulesCache.java b/collector/src/main/java/io/prometheus/jmx/MatchedRulesCache.java
index 213799c0..c1d2225c 100644
--- a/collector/src/main/java/io/prometheus/jmx/MatchedRulesCache.java
+++ b/collector/src/main/java/io/prometheus/jmx/MatchedRulesCache.java
@@ -29,8 +29,14 @@
  * pattern) to avoid matching against the same pattern in later bean collections.
  */
 public class MatchedRulesCache {
+
     private final Map<JmxCollector.Rule, Map<String, MatchedRule>> cachedRules;
 
+    /**
+     * Constructor
+     *
+     * @param rules rules
+     */
     public MatchedRulesCache(Collection<JmxCollector.Rule> rules) {
         this.cachedRules = new HashMap<>(rules.size());
         for (JmxCollector.Rule rule : rules) {
@@ -38,17 +44,36 @@ public MatchedRulesCache(Collection<JmxCollector.Rule> rules) {
         }
     }
 
+    /**
+     * Method to put a matched rule in the cache
+     *
+     * @param rule rule
+     * @param cacheKey cacheKey
+     * @param matchedRule matchedRule
+     */
     public void put(
             final JmxCollector.Rule rule, final String cacheKey, final MatchedRule matchedRule) {
         Map<String, MatchedRule> cachedRulesForRule = cachedRules.get(rule);
         cachedRulesForRule.put(cacheKey, matchedRule);
     }
 
+    /**
+     * Method to get a MatchedRule from the cache
+     *
+     * @param rule rule
+     * @param cacheKey cacheKey
+     * @return the MatchedRule
+     */
     public MatchedRule get(final JmxCollector.Rule rule, final String cacheKey) {
         return cachedRules.get(rule).get(cacheKey);
     }
 
-    // Remove stale rules (in the cache but not collected in the last run of the collector)
+    /**
+     * Method to remove stale rules (in the cache but not collected in the last run of the
+     * collector)
+     *
+     * @param stalenessTracker stalenessTracker
+     */
     public void evictStaleEntries(final StalenessTracker stalenessTracker) {
         for (Map.Entry<JmxCollector.Rule, Map<String, MatchedRule>> entry :
                 cachedRules.entrySet()) {
@@ -63,21 +88,46 @@ public void evictStaleEntries(final StalenessTracker stalenessTracker) {
         }
     }
 
+    /** Class to implement StalenessTracker */
     public static class StalenessTracker {
+
         private final Map<JmxCollector.Rule, Set<String>> lastCachedEntries = new HashMap<>();
 
+        /** Constructor */
+        public StalenessTracker() {
+            // INTENTIONALLY BLANK
+        }
+
+        /**
+         * Method to add a Rule
+         *
+         * @param rule rule
+         * @param cacheKey cacheKey
+         */
         public void add(final JmxCollector.Rule rule, final String cacheKey) {
             Set<String> lastCachedEntriesForRule =
                     lastCachedEntries.computeIfAbsent(rule, k -> new HashSet<>());
             lastCachedEntriesForRule.add(cacheKey);
         }
 
+        /**
+         * Method to return if a Rule is stale
+         *
+         * @param rule rule
+         * @param cacheKey cacheKey
+         * @return true if the stale, else false
+         */
         public boolean contains(final JmxCollector.Rule rule, final String cacheKey) {
             Set<String> lastCachedEntriesForRule = lastCachedEntries.get(rule);
             return (lastCachedEntriesForRule != null)
                     && lastCachedEntriesForRule.contains(cacheKey);
         }
 
+        /**
+         * Method to get the count of stale rules
+         *
+         * @return the count of stale rules
+         */
         public long cachedCount() {
             long count = 0;
             for (Set<String> cacheKeys : lastCachedEntries.values()) {
diff --git a/collector/src/main/java/io/prometheus/jmx/ObjectNameAttributeFilter.java b/collector/src/main/java/io/prometheus/jmx/ObjectNameAttributeFilter.java
index 78f7c7e3..335b52cd 100644
--- a/collector/src/main/java/io/prometheus/jmx/ObjectNameAttributeFilter.java
+++ b/collector/src/main/java/io/prometheus/jmx/ObjectNameAttributeFilter.java
@@ -34,9 +34,10 @@ public class ObjectNameAttributeFilter {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(ObjectNameAttributeFilter.class);
 
-    /** Configuration constant to define a mapping of ObjectNames to attribute names */
+    /** Configuration constant to define a mapping of ObjectNames to attribute names to exclude */
     public static final String EXCLUDE_OBJECT_NAME_ATTRIBUTES = "excludeObjectNameAttributes";
 
+    /** Configuration constant to define a mapping of ObjectNames to attribute names to include */
     public static final String INCLUDE_OBJECT_NAME_ATTRIBUTES = "includeObjectNameAttributes";
 
     /** Configuration constant to enable auto ObjectName attributes filtering */
@@ -172,6 +173,13 @@ private boolean exclude(
         return result;
     }
 
+    /**
+     * Method to return whether an attribute should be included
+     *
+     * @param objectName objectName
+     * @param attributeName attributeName
+     * @return true if the attribute should be included, else false
+     */
     public boolean include(ObjectName objectName, String attributeName) {
         boolean result = false;
 
@@ -183,6 +191,11 @@ public boolean include(ObjectName objectName, String attributeName) {
         return result;
     }
 
+    /**
+     * Method to return whether any attributes are included
+     *
+     * @return true if empty, else false
+     */
     public boolean includeObjectNameAttributesIsEmpty() {
         return includeObjectNameAttributesMap.isEmpty();
     }
diff --git a/collector/src/main/java/io/prometheus/jmx/logger/LoggerFactory.java b/collector/src/main/java/io/prometheus/jmx/logger/LoggerFactory.java
index 4f42f58b..3656ffc6 100644
--- a/collector/src/main/java/io/prometheus/jmx/logger/LoggerFactory.java
+++ b/collector/src/main/java/io/prometheus/jmx/logger/LoggerFactory.java
@@ -21,7 +21,7 @@ public class LoggerFactory {
 
     /** Constructor */
     private LoggerFactory() {
-        // DO NOTHING
+        // INTENTIONALLY BLANK
     }
 
     /**
diff --git a/collector/src/test/java/io/prometheus/jmx/TotalValueMBean.java b/collector/src/test/java/io/prometheus/jmx/TotalValueMBean.java
index 99eb94e8..1d5c72d3 100644
--- a/collector/src/test/java/io/prometheus/jmx/TotalValueMBean.java
+++ b/collector/src/test/java/io/prometheus/jmx/TotalValueMBean.java
@@ -27,7 +27,7 @@ public interface TotalValueMBean {
 class TotalValue implements TotalValueMBean {
 
     public TotalValue() {
-        // DO NOTHING
+        // INTENTIONALLY BLANK
     }
 
     @Override
diff --git a/integration_test_suite/integration_tests/src/main/java/io/prometheus/jmx/test/support/JavaDockerImages.java b/integration_test_suite/integration_tests/src/main/java/io/prometheus/jmx/test/support/JavaDockerImages.java
index 6a53cfeb..02a2143c 100644
--- a/integration_test_suite/integration_tests/src/main/java/io/prometheus/jmx/test/support/JavaDockerImages.java
+++ b/integration_test_suite/integration_tests/src/main/java/io/prometheus/jmx/test/support/JavaDockerImages.java
@@ -49,7 +49,7 @@ public final class JavaDockerImages {
 
     /** Constructor */
     private JavaDockerImages() {
-        // DO NOTHING
+        // INTENTIONALLY BLANK
     }
 
     /**
@@ -117,7 +117,7 @@ private static List<String> load(String resource) {
                 try {
                     bufferedReader.close();
                 } catch (Throwable t) {
-                    // DO NOTHING
+                    // INTENTIONALLY BLANK
                 }
             }
 
@@ -125,7 +125,7 @@ private static List<String> load(String resource) {
                 try {
                     inputStream.close();
                 } catch (Throwable t) {
-                    // DO NOTHING
+                    // INTENTIONALLY BLANK
                 }
             }
         }
diff --git a/integration_test_suite/integration_tests/src/main/java/io/prometheus/jmx/test/support/PrometheusDockerImages.java b/integration_test_suite/integration_tests/src/main/java/io/prometheus/jmx/test/support/PrometheusDockerImages.java
index 1da29bdb..3f93f9ad 100644
--- a/integration_test_suite/integration_tests/src/main/java/io/prometheus/jmx/test/support/PrometheusDockerImages.java
+++ b/integration_test_suite/integration_tests/src/main/java/io/prometheus/jmx/test/support/PrometheusDockerImages.java
@@ -49,7 +49,7 @@ public final class PrometheusDockerImages {
 
     /** Constructor */
     private PrometheusDockerImages() {
-        // DO NOTHING
+        // INTENTIONALLY BLANK
     }
 
     /**
@@ -117,7 +117,7 @@ private static List<String> load(String resource) {
                 try {
                     bufferedReader.close();
                 } catch (Throwable t) {
-                    // DO NOTHING
+                    // INTENTIONALLY BLANK
                 }
             }
 
@@ -125,7 +125,7 @@ private static List<String> load(String resource) {
                 try {
                     inputStream.close();
                 } catch (Throwable t) {
-                    // DO NOTHING
+                    // INTENTIONALLY BLANK
                 }
             }
         }
diff --git a/integration_test_suite/integration_tests/src/main/java/io/prometheus/jmx/test/support/metrics/MetricsParser.java b/integration_test_suite/integration_tests/src/main/java/io/prometheus/jmx/test/support/metrics/MetricsParser.java
index 43ee7ba3..cc01a917 100644
--- a/integration_test_suite/integration_tests/src/main/java/io/prometheus/jmx/test/support/metrics/MetricsParser.java
+++ b/integration_test_suite/integration_tests/src/main/java/io/prometheus/jmx/test/support/metrics/MetricsParser.java
@@ -38,7 +38,7 @@ public class MetricsParser {
 
     /** Constructor */
     private MetricsParser() {
-        // DO NOTHING
+        // INTENTIONALLY BLANK
     }
 
     /**
@@ -382,7 +382,7 @@ public void close() {
                 try {
                     bufferedReader.close();
                 } catch (Throwable t) {
-                    // DO NOTHING
+                    // INTENTIONALLY BLANK
                 }
 
                 bufferedReader = null;
diff --git a/integration_test_suite/integration_tests/src/main/java/io/prometheus/jmx/test/support/throttle/ExponentialBackoffThrottle.java b/integration_test_suite/integration_tests/src/main/java/io/prometheus/jmx/test/support/throttle/ExponentialBackoffThrottle.java
index 2bfec6f2..71125730 100644
--- a/integration_test_suite/integration_tests/src/main/java/io/prometheus/jmx/test/support/throttle/ExponentialBackoffThrottle.java
+++ b/integration_test_suite/integration_tests/src/main/java/io/prometheus/jmx/test/support/throttle/ExponentialBackoffThrottle.java
@@ -58,7 +58,7 @@ public void throttle() {
         try {
             Thread.sleep(throttleMilliseconds);
         } catch (InterruptedException e) {
-            // DO NOTHING
+            // INTENTIONALLY BLANK
         }
 
         throttleMilliseconds = throttleMilliseconds * 2;
diff --git a/integration_test_suite/integration_tests/src/test/java/io/prometheus/jmx/test/opentelemetry/ExpectedMetricsNames.java b/integration_test_suite/integration_tests/src/test/java/io/prometheus/jmx/test/opentelemetry/ExpectedMetricsNames.java
index b8e63f5a..9a9e376b 100644
--- a/integration_test_suite/integration_tests/src/test/java/io/prometheus/jmx/test/opentelemetry/ExpectedMetricsNames.java
+++ b/integration_test_suite/integration_tests/src/test/java/io/prometheus/jmx/test/opentelemetry/ExpectedMetricsNames.java
@@ -187,7 +187,7 @@ public class ExpectedMetricsNames {
 
     /** Constructor */
     private ExpectedMetricsNames() {
-        // DO NOTHING
+        // INTENTIONALLY BLANK
     }
 
     /**
diff --git a/integration_test_suite/integration_tests/src/test/java/io/prometheus/jmx/test/support/OpenTelemetryTestEnvironment.java b/integration_test_suite/integration_tests/src/test/java/io/prometheus/jmx/test/support/OpenTelemetryTestEnvironment.java
index 725a7878..9d1dc5bb 100644
--- a/integration_test_suite/integration_tests/src/test/java/io/prometheus/jmx/test/support/OpenTelemetryTestEnvironment.java
+++ b/integration_test_suite/integration_tests/src/test/java/io/prometheus/jmx/test/support/OpenTelemetryTestEnvironment.java
@@ -469,7 +469,7 @@ private static boolean hasResource(String resource) {
                     break;
                 }
             } catch (Throwable t) {
-                // DO NOTHING
+                // INTENTIONALLY BLANK
             }
         }
 
diff --git a/integration_test_suite/jmx_example_application/src/main/java/io/prometheus/jmx/OptionalValueMBean.java b/integration_test_suite/jmx_example_application/src/main/java/io/prometheus/jmx/OptionalValueMBean.java
index c587b738..1420608d 100644
--- a/integration_test_suite/jmx_example_application/src/main/java/io/prometheus/jmx/OptionalValueMBean.java
+++ b/integration_test_suite/jmx_example_application/src/main/java/io/prometheus/jmx/OptionalValueMBean.java
@@ -26,7 +26,7 @@ public interface OptionalValueMBean {
 class OptionalValue implements OptionalValueMBean {
 
     public OptionalValue() {
-        // DO NOTHING
+        // INTENTIONALLY BLANK
     }
 
     @Override
diff --git a/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/configuration/ConvertToInteger.java b/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/configuration/ConvertToInteger.java
index bf65d3fd..84c617ef 100644
--- a/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/configuration/ConvertToInteger.java
+++ b/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/configuration/ConvertToInteger.java
@@ -20,6 +20,7 @@
 import java.util.function.Function;
 import java.util.function.Supplier;
 
+/** Class to implement ConvertToInteger */
 public class ConvertToInteger implements Function<Object, Integer> {
 
     private final Supplier<? extends RuntimeException> supplier;
diff --git a/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/configuration/ConvertToString.java b/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/configuration/ConvertToString.java
index a73db58d..9ed475f1 100644
--- a/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/configuration/ConvertToString.java
+++ b/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/configuration/ConvertToString.java
@@ -20,6 +20,7 @@
 import java.util.function.Function;
 import java.util.function.Supplier;
 
+/** Class to implement ConvertToString */
 public class ConvertToString implements Function<Object, String> {
 
     private final Supplier<? extends RuntimeException> supplier;
diff --git a/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/configuration/ValidateIntegerInRange.java b/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/configuration/ValidateIntegerInRange.java
index 6da4a02e..ad3809b1 100644
--- a/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/configuration/ValidateIntegerInRange.java
+++ b/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/configuration/ValidateIntegerInRange.java
@@ -20,6 +20,7 @@
 import java.util.function.Function;
 import java.util.function.Supplier;
 
+/** Class to implement ValidateIntegerInRange */
 public class ValidateIntegerInRange implements Function<Integer, Integer> {
 
     private final int minimum;
diff --git a/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/http/ConfigurationException.java b/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/http/ConfigurationException.java
index cf14efef..14e7a248 100644
--- a/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/http/ConfigurationException.java
+++ b/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/http/ConfigurationException.java
@@ -18,16 +18,34 @@
 
 import java.util.function.Supplier;
 
+/** Class to implement ConfigurationException */
 public class ConfigurationException extends RuntimeException {
 
+    /**
+     * Constructor
+     *
+     * @param message message
+     */
     public ConfigurationException(String message) {
         super(message);
     }
 
+    /**
+     * Constructor
+     *
+     * @param message message
+     * @param throwable throwable
+     */
     public ConfigurationException(String message, Throwable throwable) {
         super(message, throwable);
     }
 
+    /**
+     * Method to create a ConfigurationException supplier
+     *
+     * @param message message
+     * @return a ConfigurationException supplier
+     */
     public static Supplier<ConfigurationException> supplier(String message) {
         return () -> new ConfigurationException(message);
     }
diff --git a/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/http/HTTPServerFactory.java b/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/http/HTTPServerFactory.java
index 5c10bdb9..2918a24e 100644
--- a/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/http/HTTPServerFactory.java
+++ b/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/http/HTTPServerFactory.java
@@ -92,7 +92,7 @@ public class HTTPServerFactory {
 
     /** Constructor */
     public HTTPServerFactory() {
-        // DO NOTHING
+        // INTENTIONALLY BLANK
     }
 
     /**
@@ -728,7 +728,7 @@ public void rejectedExecution(Runnable runnable, ThreadPoolExecutor threadPoolEx
                 try {
                     threadPoolExecutor.getQueue().put(runnable);
                 } catch (InterruptedException e) {
-                    // DO NOTHING
+                    // INTENTIONALLY BLANK
                 }
             }
         }
diff --git a/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/http/authenticator/HexString.java b/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/http/authenticator/HexString.java
index c6020199..f8e520f4 100644
--- a/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/http/authenticator/HexString.java
+++ b/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/http/authenticator/HexString.java
@@ -23,13 +23,14 @@
 
 package io.prometheus.jmx.common.http.authenticator;
 
+/** Class to implement HexString */
 public class HexString {
 
     private static final char[] HEX_ARRAY = "0123456789abcdef".toCharArray();
 
     /** Constructor */
     private HexString() {
-        // DO NOTHING
+        // INTENTIONALLY BLANK
     }
 
     /**
diff --git a/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/http/ssl/SSLContextFactory.java b/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/http/ssl/SSLContextFactory.java
index 48dc8ac0..a948b1c5 100644
--- a/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/http/ssl/SSLContextFactory.java
+++ b/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/http/ssl/SSLContextFactory.java
@@ -32,13 +32,14 @@
 import javax.net.ssl.SSLContext;
 import javax.net.ssl.TrustManagerFactory;
 
+/** Class to implement SSLContextFactory */
 public class SSLContextFactory {
 
     private static final String[] PROTOCOLS = {"TLSv1.3", "TLSv1.2", "TLSv1.1", "TLSv1"};
 
     /** Constructor */
     private SSLContextFactory() {
-        // DO NOTHING
+        // INTENTIONALLY BLANK
     }
 
     /**
@@ -122,7 +123,7 @@ private static SSLContext createSSLContext() throws GeneralSecurityException {
             try {
                 return SSLContext.getInstance(protocol);
             } catch (Throwable t) {
-                // DO NOTHING
+                // INTENTIONALLY BLANK
             }
         }
 
diff --git a/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/opentelemetry/OpenTelemetryExporterFactory.java b/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/opentelemetry/OpenTelemetryExporterFactory.java
index ac8839c5..eb0586bc 100644
--- a/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/opentelemetry/OpenTelemetryExporterFactory.java
+++ b/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/opentelemetry/OpenTelemetryExporterFactory.java
@@ -27,7 +27,7 @@ public class OpenTelemetryExporterFactory {
 
     /** Constructor */
     private OpenTelemetryExporterFactory() {
-        // DO NOTHING
+        // INTENTIONALLY BLANK
     }
 
     /**
diff --git a/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/util/Precondition.java b/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/util/Precondition.java
index b408a6f2..e9cd7819 100644
--- a/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/util/Precondition.java
+++ b/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/util/Precondition.java
@@ -18,10 +18,12 @@
 
 import static java.lang.String.format;
 
+/** Class to implement Precondition */
 public class Precondition {
 
+    /** Constructor */
     private Precondition() {
-        // DO NOTHING
+        // INTENTIONALLY BLANK
     }
 
     /**
diff --git a/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/util/ResourceSupport.java b/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/util/ResourceSupport.java
index b0dc44df..690c9890 100644
--- a/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/util/ResourceSupport.java
+++ b/jmx_prometheus_common/src/main/java/io/prometheus/jmx/common/util/ResourceSupport.java
@@ -11,9 +11,16 @@ public class ResourceSupport {
 
     /** Constructor */
     private ResourceSupport() {
-        // DO NOTHING
+        // INTENTIONALLY BLANK
     }
 
+    /**
+     * Method to load a resource's content
+     *
+     * @param resource resource
+     * @return the resource content
+     * @throws IOException IOException
+     */
     public static String load(String resource) throws IOException {
         Precondition.notNull(resource, "resource is null");
 
diff --git a/jmx_prometheus_common/src/test/java/io/prometheus/jmx/common/yaml/YamlMapAccessorTest.java b/jmx_prometheus_common/src/test/java/io/prometheus/jmx/common/yaml/YamlMapAccessorTest.java
index b79d92d7..f8956fc0 100644
--- a/jmx_prometheus_common/src/test/java/io/prometheus/jmx/common/yaml/YamlMapAccessorTest.java
+++ b/jmx_prometheus_common/src/test/java/io/prometheus/jmx/common/yaml/YamlMapAccessorTest.java
@@ -112,28 +112,28 @@ public void testInvalidPaths() throws IOException {
             yamlMapAccessor.get("");
             fail("Expected IllegalArgumentException");
         } catch (IllegalArgumentException e) {
-            // DO NOTHING
+            // INTENTIONALLY BLANK
         }
 
         try {
             yamlMapAccessor.get("//");
             fail("Expected IllegalArgumentException");
         } catch (IllegalArgumentException e) {
-            // DO NOTHING
+            // INTENTIONALLY BLANK
         }
 
         try {
             yamlMapAccessor.get("foo");
             fail("Expected IllegalArgumentException");
         } catch (IllegalArgumentException e) {
-            // DO NOTHING
+            // INTENTIONALLY BLANK
         }
 
         try {
             yamlMapAccessor.get("/foo/");
             fail("Expected IllegalArgumentException");
         } catch (IllegalArgumentException e) {
-            // DO NOTHING
+            // INTENTIONALLY BLANK
         }
     }
 
diff --git a/jmx_prometheus_javaagent/src/main/java/io/prometheus/jmx/JavaAgent.java b/jmx_prometheus_javaagent/src/main/java/io/prometheus/jmx/JavaAgent.java
index d9c88d72..2ebf5670 100644
--- a/jmx_prometheus_javaagent/src/main/java/io/prometheus/jmx/JavaAgent.java
+++ b/jmx_prometheus_javaagent/src/main/java/io/prometheus/jmx/JavaAgent.java
@@ -30,6 +30,7 @@
 import java.util.Date;
 import java.util.Locale;
 
+/** Class to implement JavaAgent */
 public class JavaAgent {
 
     private static final SimpleDateFormat SIMPLE_DATE_FORMAT =
@@ -37,6 +38,11 @@ public class JavaAgent {
 
     private static final PrometheusRegistry DEFAULT_REGISTRY = PrometheusRegistry.defaultRegistry;
 
+    /** Constructor */
+    public JavaAgent() {
+        // INTENTIONALLY BLANK
+    }
+
     /**
      * Java agent main
      *
diff --git a/jmx_prometheus_standalone/src/main/java/io/prometheus/jmx/Standalone.java b/jmx_prometheus_standalone/src/main/java/io/prometheus/jmx/Standalone.java
index dd289c9e..3f2e0709 100644
--- a/jmx_prometheus_standalone/src/main/java/io/prometheus/jmx/Standalone.java
+++ b/jmx_prometheus_standalone/src/main/java/io/prometheus/jmx/Standalone.java
@@ -40,6 +40,11 @@ public class Standalone {
 
     private static final PrometheusRegistry DEFAULT_REGISTRY = PrometheusRegistry.defaultRegistry;
 
+    /** Constructor */
+    private Standalone() {
+        // INTENTIONALLY BLANK
+    }
+
     /**
      * Main method
      *