use diamond operator

Author: thurka

visualvm/libs.profiler/lib.profiler.ui/src/org/graalvm/visualvm/lib/ui/charts/AbstractBarChartModel.java

@@ -35,7 +35,7 @@
 public abstract class AbstractBarChartModel implements BarChartModel {
     //~ Instance fields ----------------------------------------------------------------------------------------------------------
 
-    private Collection<ChartModelListener> listeners = new CopyOnWriteArraySet<ChartModelListener>(); // Data change listeners
+    private Collection<ChartModelListener> listeners = new CopyOnWriteArraySet<>(); // Data change listeners
 
     //~ Constructors -------------------------------------------------------------------------------------------------------------
 

visualvm/libs.profiler/lib.profiler.ui/src/org/graalvm/visualvm/lib/ui/charts/AbstractPieChartModel.java

@@ -37,7 +37,7 @@
 public abstract class AbstractPieChartModel implements PieChartModel {
     //~ Instance fields ----------------------------------------------------------------------------------------------------------
 
-    private Collection<ChartModelListener> listeners = new CopyOnWriteArraySet<ChartModelListener>(); // Data change listeners
+    private Collection<ChartModelListener> listeners = new CopyOnWriteArraySet<>(); // Data change listeners
 
     //~ Methods ------------------------------------------------------------------------------------------------------------------
 

visualvm/libs.profiler/lib.profiler.ui/src/org/graalvm/visualvm/lib/ui/charts/PieChart.java

@@ -56,9 +56,9 @@ public class PieChart extends JComponent implements ComponentListener, ChartMode
     private Image offScreenImage;
     private Insets insets = new Insets(0, 0, 0, 0);
     private PieChartModel model;
-    private java.util.List<Arc2D> arcs = new ArrayList<Arc2D>();
-    private java.util.List<Area> bottoms = new ArrayList<Area>();
-    private java.util.List<Integer> selectedItems = new ArrayList<Integer>();
+    private java.util.List<Arc2D> arcs = new ArrayList<>();
+    private java.util.List<Area> bottoms = new ArrayList<>();
+    private java.util.List<Integer> selectedItems = new ArrayList<>();
     private boolean draw3D = true; // (chartHeight > 0)
     private boolean offScreenImageInvalid;
     private boolean offScreenImageSizeInvalid;

visualvm/libs.profiler/lib.profiler.ui/src/org/graalvm/visualvm/lib/ui/components/JCheckTree.java

@@ -158,7 +158,7 @@ public void mouseReleased(MouseEvent e) {
     // ---------------------------------------------------------------------------
 
     // --- CheckTreeListener implementation --------------------------------------
-    private Collection<CheckTreeListener> checkTreeListeners = new CopyOnWriteArraySet<CheckTreeListener>();
+    private Collection<CheckTreeListener> checkTreeListeners = new CopyOnWriteArraySet<>();
 
     //~ Constructors -------------------------------------------------------------------------------------------------------------
 

visualvm/libs.profiler/lib.profiler.ui/src/org/graalvm/visualvm/lib/ui/components/JTitledPanel.java

@@ -301,7 +301,7 @@ public Dimension getMinimumSize() {
     private JPanel contentPanel;
     private JPanel titlePanel;
     private String title;
-    private Collection<ActionListener> actionListeners = new CopyOnWriteArraySet<ActionListener>();
+    private Collection<ActionListener> actionListeners = new CopyOnWriteArraySet<>();
     private boolean showButtons;
     private int state;
 

visualvm/libs.profiler/lib.profiler.ui/src/org/graalvm/visualvm/lib/ui/cpu/StatisticsPanel.java

@@ -476,7 +476,7 @@ private void initColors() {
     private NavPanel navPanel;
     private PieChart pieChart;
     private Runnable navigationBackPerformer;
-    private Collection<Listener> listeners = new CopyOnWriteArraySet<Listener>();
+    private Collection<Listener> listeners = new CopyOnWriteArraySet<>();
 
     //~ Constructors -------------------------------------------------------------------------------------------------------------
 

visualvm/libs.profiler/lib.profiler/src/org/graalvm/visualvm/lib/jfluid/TargetAppRunner.java

@@ -139,7 +139,7 @@ public class TargetAppRunner implements CommonConstants {
     private ProfilerClient profilerClient;
     private ProfilerEngineSettings settings;
     private ProfilingSessionStatus status;
-    private Collection<ProfilingEventListener> listeners = new CopyOnWriteArraySet<ProfilingEventListener>();
+    private Collection<ProfilingEventListener> listeners = new CopyOnWriteArraySet<>();
     private boolean targetAppIsSuspended;
 
     //~ Constructors -------------------------------------------------------------------------------------------------------------    

visualvm/libs.profiler/lib.profiler/src/org/graalvm/visualvm/lib/jfluid/results/RuntimeCCTNodeProcessor.java

@@ -210,7 +210,7 @@ void process(int maxMethodId) {
     private RuntimeCCTNodeProcessor() {}
 
     public static void process(RuntimeCCTNode root, Plugin ... plugins) {
-        Deque<Item<RuntimeCCTNode>> nodeStack = new ArrayDeque<Item<RuntimeCCTNode>>();
+        Deque<Item<RuntimeCCTNode>> nodeStack = new ArrayDeque<>();
 
         for(Plugin p : plugins) {
             if (p != null) {

visualvm/libs.profiler/lib.profiler/src/org/graalvm/visualvm/lib/jfluid/results/cpu/StackTraceSnapshotBuilder.java

@@ -260,11 +260,11 @@ private long getThreadId() {
 
     }
 
-    final List<Long> threadIds = new ArrayList<Long>();
-    final List<String> threadNames = new ArrayList<String>();
-    final List<byte[]> threadCompactData = new ArrayList<byte[]>();
-    final List<MethodInfo> methodInfos = new ArrayList<MethodInfo>();
-    final Map<MethodInfo,Integer> methodInfoMap = new HashMap<MethodInfo,Integer>();
+    final List<Long> threadIds = new ArrayList<>();
+    final List<String> threadNames = new ArrayList<>();
+    final List<byte[]> threadCompactData = new ArrayList<>();
+    final List<MethodInfo> methodInfos = new ArrayList<>();
+    final Map<MethodInfo,Integer> methodInfoMap = new HashMap<>();
     final MethodInfoMapper mapper = new MethodInfoMapper() {
 
         @Override
@@ -298,10 +298,10 @@ public int getMinMethodId() {
     final Object stampLock = new Object();
     // @GuardedBy stampLock
     long currentDumpTimeStamp = -1L;
-    final AtomicReference<Map<Long, SampledThreadInfo>> lastStackTrace = new AtomicReference<Map<Long, SampledThreadInfo>>(Collections.EMPTY_MAP);
+    final AtomicReference<Map<Long, SampledThreadInfo>> lastStackTrace = new AtomicReference<>(Collections.EMPTY_MAP);
     int stackTraceCount = 0;
     //    int builderBatchSize;
-    final Set<String> ignoredThreadNames = new HashSet<String>();
+    final Set<String> ignoredThreadNames = new HashSet<>();
     final Map<Long,Long> threadtimes = new HashMap();
 
     {

visualvm/libs.profiler/lib.profiler/src/org/graalvm/visualvm/lib/jfluid/results/cpu/marking/MarkAwareNodeProcessorPlugin.java

@@ -38,7 +38,7 @@
 public class MarkAwareNodeProcessorPlugin extends RuntimeCCTNodeProcessor.PluginAdapter implements MarkingEngine.StateObserver {
     volatile boolean resetFlag = false;
     private Mark parentMark = null;
-    private Deque<Mark> markStack = new ArrayDeque<Mark>();
+    private Deque<Mark> markStack = new ArrayDeque<>();
     private final TransactionalSupport transaction = new TransactionalSupport();
 
     @Override