diff --git a/components/camel-test/camel-test/src/main/java/org/apache/camel/test/junit4/CamelTestSupport.java b/components/camel-test/camel-test/src/main/java/org/apache/camel/test/junit4/CamelTestSupport.java
index aba28f0048679..b5ffcabfd5a90 100644
--- a/components/camel-test/camel-test/src/main/java/org/apache/camel/test/junit4/CamelTestSupport.java
+++ b/components/camel-test/camel-test/src/main/java/org/apache/camel/test/junit4/CamelTestSupport.java
@@ -625,7 +625,7 @@ private void logCoverageSummary(ManagedCamelContextMBean managedCamelContext) th
         builder.append("\t\tCamelContext (").append(managedCamelContext.getCamelId()).append(") total: ")
                 .append(contextExchangesTotal).append("\n");
 
-        if (uncoveredRoutes.size() > 0) {
+        if (!uncoveredRoutes.isEmpty()) {
             builder.append("\t\tUncovered routes: ").append(uncoveredRoutes.stream().collect(Collectors.joining(", ")))
                     .append("\n");
         }
diff --git a/components/camel-wal/src/main/java/org/apache/camel/component/wal/LogWriter.java b/components/camel-wal/src/main/java/org/apache/camel/component/wal/LogWriter.java
index 92375ecb92dc9..17169dbe45677 100644
--- a/components/camel-wal/src/main/java/org/apache/camel/component/wal/LogWriter.java
+++ b/components/camel-wal/src/main/java/org/apache/camel/component/wal/LogWriter.java
@@ -150,7 +150,7 @@ public EntryInfo.CachedEntryInfo append(LogEntry entry) throws IOException {
                 .filter(c -> c != null && c.layerInfo.getLayer() != transactionLog.currentLayer())
                 .map(e -> tryPersist(layerInfo, e.logEntry)).collect(Collectors.toList());
 
-        if (collect.size() > 0) {
+        if (!collect.isEmpty()) {
             final EntryInfo lastOnLayer = collect.get(0);
 
             LOG.trace("Current pos is: {}", fileChannel.position());
diff --git a/core/camel-console/src/main/java/org/apache/camel/impl/console/DefaultDevConsoleRegistry.java b/core/camel-console/src/main/java/org/apache/camel/impl/console/DefaultDevConsoleRegistry.java
index c84337d47cc62..a3bb0e1dff855 100644
--- a/core/camel-console/src/main/java/org/apache/camel/impl/console/DefaultDevConsoleRegistry.java
+++ b/core/camel-console/src/main/java/org/apache/camel/impl/console/DefaultDevConsoleRegistry.java
@@ -179,7 +179,7 @@ public void loadDevConsoles(boolean force) {
             DefaultDevConsolesLoader loader = new DefaultDevConsolesLoader(camelContext);
             Collection<DevConsole> col = loader.loadDevConsoles();
 
-            if (col.size() > 0) {
+            if (!col.isEmpty()) {
                 int added = 0;
                 // register the loaded consoles
                 for (DevConsole console : col) {
diff --git a/core/camel-core-model/src/main/java/org/apache/camel/builder/AdviceWithTasks.java b/core/camel-core-model/src/main/java/org/apache/camel/builder/AdviceWithTasks.java
index 0a42743c6f90c..5c90fda4e277f 100644
--- a/core/camel-core-model/src/main/java/org/apache/camel/builder/AdviceWithTasks.java
+++ b/core/camel-core-model/src/main/java/org/apache/camel/builder/AdviceWithTasks.java
@@ -472,7 +472,7 @@ private static List<ProcessorDefinition<?>> getOutputs(ProcessorDefinition<?> no
                 break;
             }
         }
-        if (outputs.size() >= 1 && allAbstract) {
+        if (!outputs.isEmpty() && allAbstract) {
             // if all outputs are abstract then get its last output, as
             outputs = outputs.get(outputs.size() - 1).getOutputs();
         }
diff --git a/core/camel-health/src/main/java/org/apache/camel/impl/health/DefaultHealthCheckRegistry.java b/core/camel-health/src/main/java/org/apache/camel/impl/health/DefaultHealthCheckRegistry.java
index 9d31fa631d31f..7db8874ccc52b 100644
--- a/core/camel-health/src/main/java/org/apache/camel/impl/health/DefaultHealthCheckRegistry.java
+++ b/core/camel-health/src/main/java/org/apache/camel/impl/health/DefaultHealthCheckRegistry.java
@@ -301,7 +301,7 @@ public void loadHealthChecks() {
             Collection<HealthCheck> col = loader.loadHealthChecks();
             // register loaded health-checks
             col.forEach(this::register);
-            if (col.size() > 0) {
+            if (!col.isEmpty()) {
                 String time = TimeUtils.printDuration(watch.taken(), true);
                 LOG.debug("Health checks (scanned: {}) loaded in {}", col.size(), time);
             }