diff --git a/.config/bash/module/Export.sh b/.config/bash/module/Export.sh
index 6c07192..091e4dc 100644
--- a/.config/bash/module/Export.sh
+++ b/.config/bash/module/Export.sh
@@ -14,6 +14,9 @@ export MANPAGER="nvim +Man!"
 # specify android sdk root.
 export ANDROID_SDK_ROOT="$HOME/.android/sdk"
 
+# specify java path.
+export JAVA_HOME="${HOME}/app/java/x64/latest"
+
 # specify tex paths.
 #export TEXMFSYSVAR="$HOME/app/tex/data/var"
 #export TEXMFSYSCONFIG="$HOME/app/tex/data/config"
@@ -25,14 +28,31 @@ export TEXMFLOCAL="${HOME}/app/tex/data/local"
 export BASH_MODULE_PATH="${HOME}/.config/bash/module"
 
 # Set java version. Sets to latest when not specified.
-# Usage: export_java <VERSION>
+# Usage: export_java [VERSION]
 function export_java() {
 	local version="${1}"
 
 	if [[ "${version}" = "" ]]; then
-		help export_java
-		return 2
+		export JAVA_HOME="${HOME}/app/java/x64/latest"
+		return
 	fi
 
-	export JAVA_HOME="$(find_nix openjdk-${version})"
+	local available=($(_get_java_versions))
+
+	if ! _contains ${version} ${available[@]}; then
+		_error "Version ${version} is not available."
+		return 1
+	fi
+
+	export JAVA_HOME="${HOME}/app/java/x64/jdk_${version}"
 }
+
+function _get_java_versions() {
+	ls "${HOME}/app/java/x64/" | grep "jdk_" | sed -e "s/.*_//" | sort -g 2> /dev/null
+}
+
+function _comp_java_versions() {
+	_autocomplete_first "$(_get_java_versions)"
+}
+
+complete -o nosort -F _comp_java_versions export_java