src/share/classes/java/lang/ApplicationShutdownHooks.java

rev 3186 : 6880112: Project Coin: Port JDK core library code to use diamond operator

*** 45,55 ****
                      public void run() {
                          runHooks();
                      }
                  }
              );
!             hooks = new IdentityHashMap<Thread, Thread>();
          } catch (IllegalStateException e) {
              // application shutdown hooks cannot be added if
              // shutdown is in progress.
              hooks = null;
          }
--- 45,55 ----
                      public void run() {
                          runHooks();
                      }
                  }
              );
!             hooks = new IdentityHashMap<>();
          } catch (IllegalStateException e) {
              // application shutdown hooks cannot be added if
              // shutdown is in progress.
              hooks = null;
          }