cleanup

java/debugger/impl/src/com/intellij/debugger/ui/impl/DebuggerTreePanel.java

@@ -93,7 +93,7 @@ public abstract class DebuggerTreePanel extends UpdatableDebuggerView implements
             getTree().rebuild(context);
           }
         }
-        catch (VMDisconnectedException e) {
+        catch (VMDisconnectedException ignored) {
           // ignored
         }
       }

java/debugger/impl/src/com/intellij/debugger/ui/impl/FrameVariablesTree.java

@@ -83,11 +83,13 @@ public class FrameVariablesTree extends DebuggerTree {
     }
   }
 
+  @Override
   protected void build(DebuggerContextImpl context) {
     myAnyNewLocals = false;
     buildWhenPaused(context, new RefreshFrameTreeCommand(context));
   }
 
+  @Override
   public void restoreNodeState(DebuggerTreeNodeImpl node) {
     if (myAnyNewLocals) {
       final NodeDescriptorImpl descriptor = node.getDescriptor();
@@ -107,6 +109,7 @@ public class FrameVariablesTree extends DebuggerTree {
   }
 
 
+  @Override
   protected DebuggerCommandImpl getBuildNodeCommand(final DebuggerTreeNodeImpl node) {
     if (node.getDescriptor() instanceof StackFrameDescriptorImpl) {
       return new BuildFrameTreeVariablesCommand(node);
@@ -119,6 +122,7 @@ public class FrameVariablesTree extends DebuggerTree {
       super(stackNode);
     }
     
+    @Override
     protected void buildVariables(final StackFrameDescriptorImpl stackDescriptor, final EvaluationContextImpl evaluationContext) throws EvaluateException {
       final DebuggerContextImpl debuggerContext = getDebuggerContext();
       final SourcePosition sourcePosition = debuggerContext.getSourcePosition();
@@ -135,6 +139,7 @@ public class FrameVariablesTree extends DebuggerTree {
           final EvaluationContextImpl evalContext = debuggerContext.createEvaluationContext();
           final Pair<Set<String>, Set<TextWithImports>> usedVars =
             ApplicationManager.getApplication().runReadAction(new Computable<Pair<Set<String>, Set<TextWithImports>>>() {
+              @Override
               public Pair<Set<String>, Set<TextWithImports>> compute() {
                 return findReferencedVars(visibleVariables.keySet(), sourcePosition, evalContext);
               }
@@ -396,6 +401,7 @@ public class FrameVariablesTree extends DebuggerTree {
       super(context);
     }
 
+    @Override
     public void contextAction() throws Exception {
       DebuggerTreeNodeImpl rootNode;
 
@@ -433,7 +439,7 @@ public class FrameVariablesTree extends DebuggerTree {
               rootNode.add(MessageDescriptor.THREAD_IS_RUNNING);
             }
           }
-          catch (ObjectCollectedException e) {
+          catch (ObjectCollectedException ignored) {
             rootNode.add(new MessageDescriptor(DebuggerBundle.message("label.thread.node.thread.collected", currentThread.name())));
           }
         }
@@ -448,12 +454,14 @@ public class FrameVariablesTree extends DebuggerTree {
 
       final DebuggerTreeNodeImpl rootNode1 = rootNode;
       DebuggerInvocationUtil.swingInvokeLater(getProject(), new Runnable() {
+        @Override
         public void run() {
           getMutableModel().setRoot(rootNode1);
           treeChanged();
 
           final TreeModel model = getModel();
           model.addTreeModelListener(new TreeModelAdapter() {
+            @Override
             public void treeStructureChanged(TreeModelEvent e) {
               final Object[] path = e.getPath();
               if (path.length > 0 && path[path.length - 1] == rootNode1) {

java/debugger/impl/src/com/intellij/debugger/ui/impl/FramesList.java

@@ -35,15 +35,18 @@ public class FramesList extends DebuggerFramesList {
     doInit();
   }
 
+  @Override
   protected FramesListRenderer createListRenderer() {
     return new FramesListRenderer();
   }
 
+  @Override
   protected void onFrameChanged(final Object selectedValue) {
     final StackFrameDescriptorImpl descriptor = selectedValue instanceof StackFrameDescriptorImpl? (StackFrameDescriptorImpl)selectedValue : null;
     final Method newMethod = descriptor != null? descriptor.getMethod() : null;
     if (!Comparing.equal(mySelectedMethod, newMethod)) {
       SwingUtilities.invokeLater(new Runnable() {
+        @Override
         public void run() {
           repaint();
         }

java/debugger/impl/src/com/intellij/debugger/ui/impl/FramesListRenderer.java

@@ -16,14 +16,14 @@
 package com.intellij.debugger.ui.impl;
 
 import com.intellij.debugger.ui.impl.watch.StackFrameDescriptorImpl;
-import com.intellij.ui.JBColor;
-import com.intellij.xdebugger.impl.ui.tree.ValueMarkup;
 import com.intellij.openapi.editor.colors.EditorColorsManager;
 import com.intellij.openapi.editor.colors.EditorColorsScheme;
 import com.intellij.openapi.util.Comparing;
 import com.intellij.ui.ColoredListCellRenderer;
+import com.intellij.ui.JBColor;
 import com.intellij.ui.SimpleTextAttributes;
 import com.intellij.util.ui.UIUtil;
+import com.intellij.xdebugger.impl.ui.tree.ValueMarkup;
 import com.intellij.xdebugger.ui.DebuggerColors;
 import com.sun.jdi.Method;
 
@@ -38,6 +38,7 @@ class FramesListRenderer extends ColoredListCellRenderer {
     myColorScheme = EditorColorsManager.getInstance().getGlobalScheme();
   }
 
+  @Override
   protected void customizeCellRenderer(final JList list, final Object item, final int index, final boolean selected, final boolean hasFocus) {
     if (!(item instanceof StackFrameDescriptorImpl)) {
       append(item.toString(), SimpleTextAttributes.GRAYED_ATTRIBUTES);