diff --git a/jdk/src/share/classes/com/sun/java/util/jar/pack/BandStructure.java b/jdk/src/share/classes/com/sun/java/util/jar/pack/BandStructure.java
index 3a154a088b9..473d51108c0 100644
--- a/jdk/src/share/classes/com/sun/java/util/jar/pack/BandStructure.java
+++ b/jdk/src/share/classes/com/sun/java/util/jar/pack/BandStructure.java
@@ -1704,7 +1704,7 @@ class BandStructure {
         for (int i = 0; i < ATTR_CONTEXT_LIMIT; i++) {
             assert(attrIndexLimit[i] == 0);
             attrIndexLimit[i] = 32;  // just for the sake of predefs.
-            attrDefs.set(i, new ArrayList<>(Collections.nCopies(
+            attrDefs.set(i, new ArrayList<Attribute.Layout>(Collections.nCopies(
                     attrIndexLimit[i], (Attribute.Layout)null)));
 
         }
diff --git a/jdk/src/share/classes/java/io/ObjectStreamClass.java b/jdk/src/share/classes/java/io/ObjectStreamClass.java
index 2d3e2055860..74608db0c1c 100644
--- a/jdk/src/share/classes/java/io/ObjectStreamClass.java
+++ b/jdk/src/share/classes/java/io/ObjectStreamClass.java
@@ -329,7 +329,7 @@ public class ObjectStreamClass implements Serializable {
                 entry = th;
             }
             if (future.set(entry)) {
-                Caches.localDescs.put(key, new SoftReference<>(entry));
+                Caches.localDescs.put(key, new SoftReference<Object>(entry));
             } else {
                 // nested lookup call already set future
                 entry = future.get();
@@ -2118,7 +2118,7 @@ public class ObjectStreamClass implements Serializable {
                 entry = th;
             }
             future.set(entry);
-            Caches.reflectors.put(key, new SoftReference<>(entry));
+            Caches.reflectors.put(key, new SoftReference<Object>(entry));
         }
 
         if (entry instanceof FieldReflector) {
diff --git a/jdk/src/share/classes/java/lang/StringCoding.java b/jdk/src/share/classes/java/lang/StringCoding.java
index 42849479fcc..4043d5d2a89 100644
--- a/jdk/src/share/classes/java/lang/StringCoding.java
+++ b/jdk/src/share/classes/java/lang/StringCoding.java
@@ -67,7 +67,7 @@ class StringCoding {
     }
 
     private static <T> void set(ThreadLocal<SoftReference<T>> tl, T ob) {
-        tl.set(new SoftReference<>(ob));
+        tl.set(new SoftReference<T>(ob));
     }
 
     // Trim the given byte array to the given length
diff --git a/jdk/src/share/classes/java/util/logging/Logger.java b/jdk/src/share/classes/java/util/logging/Logger.java
index 4d822de4792..b75caa56005 100644
--- a/jdk/src/share/classes/java/util/logging/Logger.java
+++ b/jdk/src/share/classes/java/util/logging/Logger.java
@@ -1426,7 +1426,7 @@ public class Logger {
                 // we didn't have a previous parent
                 ref = manager.new LoggerWeakRef(this);
             }
-            ref.setParentRef(new WeakReference<>(parent));
+            ref.setParentRef(new WeakReference<Logger>(parent));
             parent.kids.add(ref);
 
             // As a result of the reparenting, the effective level