8275384: Change nested classes in jdk.jconsole to static nested classes

Reviewed-by: alanb, sspitsyn, mchung

Author: turbanoff

src/jdk.jconsole/share/classes/sun/tools/jconsole/MaximizableInternalFrame.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2006, 2021, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -189,7 +189,7 @@ public void setTitle(String title) {
     }
 
 
-    private class FixedMenuBarLayout extends BoxLayout {
+    private static class FixedMenuBarLayout extends BoxLayout {
         public FixedMenuBarLayout(Container target, int axis) {
             super(target, axis);
         }

src/jdk.jconsole/share/classes/sun/tools/jconsole/MemoryTab.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2004, 2021, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -438,7 +438,7 @@ public void actionPerformed(ActionEvent ev) {
         }
     }
 
-    private class PoolPlotter extends Plotter {
+    private static class PoolPlotter extends Plotter {
         ObjectName objectName;
         String name;
         boolean isHeap;

src/jdk.jconsole/share/classes/sun/tools/jconsole/ThreadTab.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2004, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2004, 2021, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -619,7 +619,7 @@ public Dimension getPreferredSize() {
         }
     }
 
-    private class PromptingTextField extends JTextField implements FocusListener {
+    private static class PromptingTextField extends JTextField implements FocusListener {
         private String prompt;
         boolean promptRemoved = false;
         Color fg;

src/jdk.jconsole/share/classes/sun/tools/jconsole/inspector/XMBeanAttributes.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2004, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2004, 2021, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -865,7 +865,7 @@ public boolean stopCellEditing() {
         }
     }
 
-    class MaximizedCellRenderer extends  DefaultTableCellRenderer {
+    static class MaximizedCellRenderer extends DefaultTableCellRenderer {
         Component comp;
         MaximizedCellRenderer(Component comp) {
             this.comp = comp;
@@ -888,7 +888,7 @@ public Component getComponent() {
         }
     }
 
-    class ZoomedCell {
+    static class ZoomedCell {
         TableCellRenderer minRenderer;
         MaximizedCellRenderer maxRenderer;
         int minHeight;

src/jdk.jconsole/share/classes/sun/tools/jconsole/inspector/XMBeanNotifications.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2004, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2004, 2021, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -416,7 +416,7 @@ synchronized void updateUserDataCell(int row, int col) {
         }
     }
 
-    class UserDataCellRenderer extends DefaultTableCellRenderer {
+    static class UserDataCellRenderer extends DefaultTableCellRenderer {
 
         Component comp;
 
@@ -444,7 +444,7 @@ public Component getComponent() {
         }
     }
 
-    class UserDataCell {
+    static class UserDataCell {
 
         TableCellRenderer minRenderer;
         UserDataCellRenderer maxRenderer;