simplified generics

Author: Rob Austin

src/main/java/net/openhft/compiler/CachedCompiler.java

@@ -40,8 +40,8 @@ public class CachedCompiler implements Closeable {
     private static final Logger LOG = LoggerFactory.getLogger(CachedCompiler.class);
     private static final PrintWriter DEFAULT_WRITER = new PrintWriter(System.err);
 
-    private final Map<ClassLoader, Map<String, Class>> loadedClassesMap = Collections.synchronizedMap(new WeakHashMap<ClassLoader, Map<String, Class>>());
-    private final Map<ClassLoader, MyJavaFileManager> fileManagerMap = Collections.synchronizedMap(new WeakHashMap<ClassLoader, MyJavaFileManager>());
+    private final Map<ClassLoader, Map<String, Class>> loadedClassesMap = Collections.synchronizedMap(new WeakHashMap<>());
+    private final Map<ClassLoader, MyJavaFileManager> fileManagerMap = Collections.synchronizedMap(new WeakHashMap<>());
 
     @Nullable
     private final File sourceDir;