--- a/langtools/src/jdk.jshell/share/classes/jdk/jshell/ClassTracker.java	Fri Dec 16 12:08:46 2016 +0100
+++ b/langtools/src/jdk.jshell/share/classes/jdk/jshell/ClassTracker.java	Fri Dec 16 15:27:34 2016 +0000
@@ -126,6 +126,6 @@
 
     // Lookup the ClassInfo by class name, create if it does not exist.
     ClassInfo get(String className) {
-        return map.computeIfAbsent(className, k -> new ClassInfo(k));
+        return map.computeIfAbsent(className, ClassInfo::new);
     }
 }