Updated examples.

examples/build.gradle.kts

@@ -13,7 +13,13 @@ repositories {
 }
 
 dependencies {
-    implementation("net.thauvin.erik:akismet-kotlin:0.9.0-beta")
+    // Align versions of all Kotlin components
+    implementation(platform("org.jetbrains.kotlin:kotlin-bom"))
+    implementation(kotlin("stdlib"))
+
+    implementation("javax.servlet:javax.servlet-api:4.0.1")
+
+    implementation("net.thauvin.erik:akismet-kotlin:0.9.1-beta")
 }
 
 application {

examples/src/main/kotlin/com/example/AkismetServlet.kt

@@ -48,10 +48,10 @@ class AkismetServlet : HttpServlet() {
     @Suppress("UNUSED_PARAMETER")
     private fun saveComment(
         id: String,
-        name: String,
-        email: String,
-        date: String,
-        comment: String,
+        name: String?,
+        email: String?,
+        date: String?,
+        comment: String?,
         json: String,
         isSpam: Boolean
     ) {