src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/shared/ContiguousSpace.java

@@ -30,11 +30,11 @@
 import sun.jvm.hotspot.debugger.*;
 import sun.jvm.hotspot.memory.*;
 import sun.jvm.hotspot.runtime.*;
 import sun.jvm.hotspot.types.*;
 
-public class ContiguousSpace extends CompactibleSpace {
+public class ContiguousSpace extends CompactibleSpace implements LiveRegionsProvider {
   private static AddressField topField;
 
   static {
     VM.registerVMInitializedObserver(new Observer() {
         public void update(Observable o, Object data) {

@@ -77,12 +77,12 @@
   public MemRegion usedRegion() {
     return new MemRegion(bottom(), top());
   }
 
   /** Returns regions of Space where live objects live */
-  public List/*<MemRegion>*/ getLiveRegions() {
-    List res = new ArrayList();
+  public List<MemRegion> getLiveRegions() {
+    List<MemRegion> res = new ArrayList<>();
     res.add(new MemRegion(bottom(), top()));
     return res;
   }
 
   /** Testers */