--- a/langtools/src/share/classes/javax/tools/DiagnosticCollector.java	Wed Dec 18 19:22:58 2013 +0000
+++ b/langtools/src/share/classes/javax/tools/DiagnosticCollector.java	Wed Dec 18 16:05:18 2013 -0500
@@ -39,8 +39,7 @@
  * @since 1.6
  */
 public final class DiagnosticCollector<S> implements DiagnosticListener<S> {
-    private List<Diagnostic<? extends S>> diagnostics =
-        Collections.synchronizedList(new ArrayList<Diagnostic<? extends S>>());
+    private List<Diagnostic<? extends S>> diagnostics = Collections.synchronizedList(new ArrayList<>());
 
     public void report(Diagnostic<? extends S> diagnostic) {
         diagnostic.getClass(); // null check