How specify the required Java version in a Gradle build

Question

I would like to set in a Gradle build file the required Java version e.g. 7 or 8 without having to specify the actual path to a local JDK installation.

Is

Answer 1

You can try this:

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

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

This will also give JDK compliance to you. 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.