diff --git a/java/debugger/impl/src/com/intellij/debugger/settings/NodeRendererSettings.java b/java/debugger/impl/src/com/intellij/debugger/settings/NodeRendererSettings.java
index 8ce8068c13e4..932e69bc22e9 100644
--- a/java/debugger/impl/src/com/intellij/debugger/settings/NodeRendererSettings.java
+++ b/java/debugger/impl/src/com/intellij/debugger/settings/NodeRendererSettings.java
@@ -357,7 +357,8 @@ public class NodeRendererSettings implements PersistentStateComponent<Element> {
     if (expressions != null && expressions.length > 0) {
       final ArrayList<Pair<String, TextWithImports>> childrenList = new ArrayList<>(expressions.length);
       for (final String[] expression : expressions) {
-        childrenList.add(new Pair<String, TextWithImports>(expression[0], new TextWithImportsImpl(CodeFragmentKind.EXPRESSION, expression[1], "", StdFileTypes.JAVA)));
+        childrenList.add(
+          new Pair<>(expression[0], new TextWithImportsImpl(CodeFragmentKind.EXPRESSION, expression[1], "", StdFileTypes.JAVA)));
       }
       childrenRenderer.setChildren(childrenList);
     }
diff --git a/java/debugger/impl/src/com/intellij/debugger/ui/HotSwapUIImpl.java b/java/debugger/impl/src/com/intellij/debugger/ui/HotSwapUIImpl.java
index f77a47217a8f..7b76d585e26d 100644
--- a/java/debugger/impl/src/com/intellij/debugger/ui/HotSwapUIImpl.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/HotSwapUIImpl.java
@@ -303,8 +303,7 @@ public class HotSwapUIImpl extends HotSwapUI implements ProjectComponent {
 
   private class MyCompilationStatusListener implements CompilationStatusListener {
 
-    private final AtomicReference<Map<String, List<String>>>
-      myGeneratedPaths = new AtomicReference<>(new HashMap<String, List<String>>());
+    private final AtomicReference<Map<String, List<String>>> myGeneratedPaths = new AtomicReference<>(new HashMap<>());
     private final THashSet<File> myOutputRoots;
 
     private MyCompilationStatusListener() {
@@ -328,7 +327,7 @@ public class HotSwapUIImpl extends HotSwapUI implements ProjectComponent {
     }
 
     public void compilationFinished(boolean aborted, int errors, int warnings, CompileContext compileContext) {
-      final Map<String, List<String>> generated = myGeneratedPaths.getAndSet(new HashMap<String, List<String>>());
+      final Map<String, List<String>> generated = myGeneratedPaths.getAndSet(new HashMap<>());
       if (myProject.isDisposed()) {
         return;
       }
diff --git a/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/EnumerationChildrenRenderer.java b/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/EnumerationChildrenRenderer.java
index cd7e7137a8fb..a3a286645a34 100644
--- a/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/EnumerationChildrenRenderer.java
+++ b/java/debugger/impl/src/com/intellij/debugger/ui/tree/render/EnumerationChildrenRenderer.java
@@ -47,7 +47,7 @@ public final class EnumerationChildrenRenderer extends ReferenceRenderer impleme
   public static final @NonNls String CHILD_NAME = "Name";
 
   public EnumerationChildrenRenderer() {
-    this(new ArrayList<Pair<String, TextWithImports>>());
+    this(new ArrayList<>());
   }
 
   public EnumerationChildrenRenderer(List<Pair<String, TextWithImports>> children) {