add .gitignore
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1a30cb8
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,7 @@
+corba/
+hotspot/
+jaxp/
+jaxws/
+jdk/
+langtools/
+nashorn/
\ No newline at end of file