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

In the build.gradle file, add the following two lines:

sourceCompatibility = '1.8'
targetCompatibility = '1.8'

The targetCompatibility defines the generated JVM bytecode version (this is the version that users of your application need). The sourceCompatibility defines which source code constructs are allowed (e.g. you need Java 1.8 or higher to use lambda expressions in source code).

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