use List.sort()

Author: thurka

visualvm/libs.profiler/lib.profiler.ui/src/org/graalvm/visualvm/lib/ui/swing/ProfilerColumnModel.java

@@ -382,10 +382,10 @@ void loadFromStorage(Properties properties, ProfilerTable table) {
                 }
             } catch (NumberFormatException e) {}
         }
-        Collections.sort(tableColumns, new Comparator<TableColumn>() {
+        tableColumns.sort(new Comparator<TableColumn>() {
             public int compare(TableColumn c1, TableColumn c2) {
-                Integer index1 = (Integer)c1.getIdentifier();
-                Integer index2 = (Integer)c2.getIdentifier();
+                Integer index1 = (Integer) c1.getIdentifier();
+                Integer index2 = (Integer) c2.getIdentifier();
                 return index1.compareTo(index2);
             }
         });

visualvm/pluginimporter/src/org/graalvm/visualvm/pluginimporter/ImportManager.java

@@ -102,7 +102,7 @@ public PluginImporter getPluginImporter() {
 
     private void initialize() {
         toInstall = new ArrayList<>(importer.getPluginsAvailableToInstall());
-        Collections.sort(toInstall, new Comparator<UpdateElement>() {
+        toInstall.sort(new Comparator<UpdateElement>() {
             @Override
             public int compare(UpdateElement o1, UpdateElement o2) {
                 return o1.getDisplayName().compareTo(o2.getDisplayName());
@@ -111,7 +111,7 @@ public int compare(UpdateElement o1, UpdateElement o2) {
         checkedToInstall = new ArrayList<>(Collections.nCopies(importer.getPluginsAvailableToInstall().size(), Boolean.TRUE));
 
         toImport = new ArrayList<>(importer.getPluginsToImport());
-        Collections.sort(toImport, new Comparator<UpdateElement>() {
+        toImport.sort(new Comparator<UpdateElement>() {
             @Override
             public int compare(UpdateElement o1, UpdateElement o2) {
                 return o1.getDisplayName().compareTo(o2.getDisplayName());