diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1c2d52b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.idea/*
diff --git a/epicbox-java/11/Dockerfile b/epicbox-java/11/Dockerfile
new file mode 100644
index 0000000..1cd78c4
--- /dev/null
+++ b/epicbox-java/11/Dockerfile
@@ -0,0 +1,7 @@
+FROM openjdk:11.0.1-slim
+MAINTAINER Stepik Team <ab@stepik.org>
+
+COPY java_lookup_main.sh /usr/local/bin/java_lookup_main.sh
+RUN chmod +x /usr/local/bin/java_lookup_main.sh
+
+RUN useradd -M -d /sandbox sandbox
diff --git a/epicbox-java9/java_lookup_main.sh b/epicbox-java/11/java_lookup_main.sh
similarity index 100%
rename from epicbox-java9/java_lookup_main.sh
rename to epicbox-java/11/java_lookup_main.sh
diff --git a/epicbox-java9/Dockerfile b/epicbox-java/9/Dockerfile
similarity index 100%
rename from epicbox-java9/Dockerfile
rename to epicbox-java/9/Dockerfile
diff --git a/epicbox-java/9/java_lookup_main.sh b/epicbox-java/9/java_lookup_main.sh
new file mode 100644
index 0000000..b411051
--- /dev/null
+++ b/epicbox-java/9/java_lookup_main.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+# Grep *.class files in the given directory to find one with psvm method defined
+# Usage: java_lookup_main.sh DIRECTORY_PATH
+
+PSVM_REGEX="public static( final)? void main\(java\.lang\.String(\[\]|\.\.\.)\)"
+
+shopt -s nullglob
+for f in "$1"/*.class; do
+    if javap -p "$f" 2> /dev/null | grep -Pq "$PSVM_REGEX"; then
+        filename=$(basename "$f")
+        echo -n "${filename%.*}"
+        exit 0
+    fi
+done
+exit 1