Placate the JDK 9 compiler.

core/src/main/java/hudson/model/Job.java

@@ -698,7 +698,7 @@ public abstract class Job<JobT extends Job<JobT, RunT>, RunT extends Run<JobT, R
     @Exported(name="allBuilds",visibility=-2)
     @WithBridgeMethods(List.class)
     public RunList<RunT> getBuilds() {
-        return RunList.fromRuns(_getRuns().values());
+        return RunList.<RunT>fromRuns(_getRuns().values());
     }
 
     /**
@@ -730,7 +730,7 @@ public abstract class Job<JobT extends Job<JobT, RunT>, RunT extends Run<JobT, R
      * Gets all the builds in a map.
      */
     public SortedMap<Integer, RunT> getBuildsAsMap() {
-        return Collections.unmodifiableSortedMap(_getRuns());
+        return Collections.<Integer, RunT>unmodifiableSortedMap(_getRuns());
     }
 
     /**

core/src/main/java/hudson/model/ParametersAction.java

@@ -50,7 +50,7 @@ import java.util.TreeSet;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-import static com.google.common.collect.Lists.newArrayList;
+import com.google.common.collect.Lists;
 import static com.google.common.collect.Sets.newHashSet;
 import javax.annotation.CheckForNull;
 import javax.annotation.Nonnull;
@@ -169,7 +169,7 @@ public class ParametersAction implements RunAction2, Iterable<ParameterValue>, Q
 
     @Exported(visibility=2)
     public List<ParameterValue> getParameters() {
-        return Collections.unmodifiableList(filter(parameters));
+        return Collections.<ParameterValue>unmodifiableList(filter(parameters));
     }
 
     public ParameterValue getParameter(String name) {
@@ -231,7 +231,7 @@ public class ParametersAction implements RunAction2, Iterable<ParameterValue>, Q
             parametersAction.safeParameters = this.safeParameters;
             return parametersAction;
         }
-        List<ParameterValue> combinedParameters = newArrayList(overrides);
+        List<ParameterValue> combinedParameters = Lists.<ParameterValue>newArrayList(overrides);
         Set<String> names = newHashSet();
 
         for(ParameterValue v : overrides) {

core/src/main/java/hudson/tools/ToolDescriptor.java

@@ -100,7 +100,7 @@ public abstract class ToolDescriptor<T extends ToolInstallation> extends Descrip
      * Lists up {@link ToolPropertyDescriptor}s that are applicable to this {@link ToolInstallation}.
      */
     public List<ToolPropertyDescriptor> getPropertyDescriptors() {
-        return PropertyDescriptor.for_(ToolProperty.all(),clazz);
+        return PropertyDescriptor.<ToolPropertyDescriptor, ToolInstallation>for_(ToolProperty.all(), clazz);
     }
 
 

core/src/main/java/hudson/util/CopyOnWriteList.java

@@ -143,7 +143,7 @@ public class CopyOnWriteList<E> implements Iterable<E> {
     }
 
     public List<E> getView() {
-        return Collections.unmodifiableList(core);
+        return Collections.<E>unmodifiableList(core);
     }
 
     public void addAllTo(Collection<? super E> dst) {

core/src/main/java/hudson/util/Iterators.java

@@ -24,6 +24,7 @@
 package hudson.util;
 
 import com.google.common.base.Predicates;
+import com.google.common.collect.ImmutableList;
 
 import java.util.Collections;
 import java.util.Iterator;
@@ -314,12 +315,13 @@ public class Iterators {
      * <p>
      * That is, this creates {A,B,C,D} from {A,B},{C,D}.
      */
+    @SafeVarargs
     public static <T> Iterable<T> sequence( final Iterable<? extends T>... iterables ) {
         return new Iterable<T>() {
             public Iterator<T> iterator() {
-                return new FlattenIterator<T,Iterable<? extends T>>(Arrays.asList(iterables)) {
+                return new FlattenIterator<T,Iterable<? extends T>>(ImmutableList.copyOf(iterables)) {
                     protected Iterator<T> expand(Iterable<? extends T> iterable) {
-                        return cast(iterable).iterator();
+                        return Iterators.<T>cast(iterable).iterator();
                     }
                 };
             }
@@ -350,8 +352,9 @@ public class Iterators {
         };
     }
 
+    @SafeVarargs
     public static <T> Iterator<T> sequence(Iterator<? extends T>... iterators) {
-        return com.google.common.collect.Iterators.concat(iterators);
+        return com.google.common.collect.Iterators.<T>concat(iterators);
     }
 
     /**

core/src/main/java/jenkins/model/InterruptedBuildAction.java

@@ -43,7 +43,7 @@ public class InterruptedBuildAction extends InvisibleAction {
     private final List<CauseOfInterruption> causes;
 
     public InterruptedBuildAction(Collection<? extends CauseOfInterruption> causes) {
-        this.causes = ImmutableList.copyOf(causes);
+        this.causes = ImmutableList.<CauseOfInterruption>copyOf(causes);
     }
 
     @Exported