Updated gradle config 2023

build.gradle

 plugins {
+    id 'java'
     id 'application'
-    id "org.openjfx.javafxplugin" version "0.0.13"
+    id "org.openjfx.javafxplugin" version "0.0.14"
 }
 
 javafx {
-    version = "18.0.2"
+    version = "20"
     modules = [ 'javafx.controls', 'javafx.fxml' ]
 }
 
@@ -13,14 +14,18 @@ repositories {
 }
 
 dependencies {
-    testImplementation('org.junit.jupiter:junit-jupiter-api:5.9.0',
-            'org.assertj:assertj-core:3.23.1')
-    testRuntimeOnly('org.junit.jupiter:junit-jupiter-engine:5.9.0')
+    testRuntimeOnly("org.junit.platform:junit-platform-launcher") {
+        because("Only needed to run tests in a version of IntelliJ IDEA that bundles older versions")
+    }
+    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine")
+    testImplementation("org.assertj:assertj-core:3.24.2")
+    testImplementation("org.junit.jupiter:junit-jupiter:5.10.0")
 }
 
 test {
     useJUnitPlatform()
 }
+
 application {
-    mainClassName = "main.MainApp"
+    mainClass.set("main.MainApp")
 }

gradle/wrapper/gradle-wrapper.properties

 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
\ No newline at end of file