040000 tree 56288d9cf499ee027e0c38e871f5ad475f015931	hello-world-hadoop-jar
040000 tree dda575dbc31071682821c356aeba19d93ca1e5cb	hello-world-hadoop
040000 tree f84a73c3c81c915fab186ff3af59f65afc267bc4	hello-world-sql
040000 tree ad35e18969e8798309b306058a9a153a3e20810f	hello-world-webapp
100644 blob 2fa33b1cb855e265909a60595c9f4e3dbc1daf61	pom.xml