src/share/classes/sun/reflect/generics/reflectiveObjects/ParameterizedTypeImpl.java

@@ -36,13 +36,13 @@
 import java.util.Objects;
 
 /** Implementing class for ParameterizedType interface. */
 
 public class ParameterizedTypeImpl implements ParameterizedType {
-    private Type[] actualTypeArguments;
-    private Class<?>  rawType;
-    private Type   ownerType;
+    private final Type[] actualTypeArguments;
+    private final Class<?>  rawType;
+    private final Type   ownerType;
 
     private ParameterizedTypeImpl(Class<?> rawType,
                                   Type[] actualTypeArguments,
                                   Type ownerType) {
         this.actualTypeArguments = actualTypeArguments;