How do I tell Gradle to use specific JDK version?

Question

I can\'t figure out to get this working.

Scenario:

• I have an application built with gradle
• The application uses JavaFX

What I w

Answer 1

If you are using JDK 9+, you can do this:

java {
    sourceCompatibility = JavaVersion.VERSION_1_8
    targetCompatibility = JavaVersion.VERSION_1_8
}

tasks.withType {
    options.compilerArgs.addAll(arrayOf("--release", "8"))
}

You can also see the following related issues:

• Gradle: [Java 9] Add convenience method for -release compiler argument
• Eclipse Plug-ins for Gradle: JDK API compatibility should match the sourceCompatibility option.