/jdk/test/java/util/Optional/
drwxr-xr-x [up]
-rw-r--r-- 2017-07-05 22:06 +0200 11940 Basic.java
-rw-r--r-- 2017-07-05 22:06 +0200 6615 BasicDouble.java
-rw-r--r-- 2017-07-05 22:06 +0200 6476 BasicInt.java
-rw-r--r-- 2017-07-05 22:06 +0200 6437 BasicLong.java