src/java.base/unix/classes/sun/nio/fs/UnixCopyFile.java

@@ -604,11 +604,11 @@
 
     static native void transfer(int dst, int src, long addressToPollForCancel)
         throws UnixException;
 
     static {
-        AccessController.doPrivileged(new PrivilegedAction<Void>() {
+        AccessController.doPrivileged(new PrivilegedAction<>() {
             @Override
             public Void run() {
                 System.loadLibrary("nio");
                 return null;
             }});