diff --git a/manifests/init.pp b/manifests/init.pp
index 2a8efd6e..0c97e4a3 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -46,22 +46,16 @@
 # Sample Usage:
 #
 class java(
-  $distribution          = 'jdk',
-  $version               = 'present',
-  $package               = undef,
-  $package_options       = undef,
-  $java_alternative      = undef,
-  $java_alternative_path = undef,
-  $java_home             = undef
+  String $distribution                                              = 'jdk',
+  Pattern[/present|installed|latest|^[.+_0-9a-zA-Z:~-]+$/] $version = 'present',
+  $package                                                          = undef,
+  Optional[Array] $package_options                                  = undef,
+  $java_alternative                                                 = undef,
+  $java_alternative_path                                            = undef,
+  $java_home                                                        = undef
 ) {
   include java::params
 
-  validate_re($version, 'present|installed|latest|^[.+_0-9a-zA-Z:~-]+$')
-
-  if $package_options != undef {
-    validate_array($package_options)
-  }
-
   if has_key($java::params::java, $distribution) {
     $default_package_name     = $java::params::java[$distribution]['package']
     $default_alternative      = $java::params::java[$distribution]['alternative']