Execute Java method in Gradle task

Help/Discuss
1

Having following Java classes:
public class Car {
public void ride(){
System.out.println(“riding…”);
}
}

public class Train {
public void signal(){
System.out.println("signalling...");
}
}

I would like to create two Gradle separate tasks, where first would execute ride() and second would execute signal() method.
Could you please advice, how to do it?

2

You can literally create the simplest tasks possible that do nothing other than instantiate the class and call the methods from a single file. Are there some other constraints to your question?

task ride {
    doLast {
        new Car().ride()
    }
}

task signal {
    doLast {
        new Train().signal()
    }
}

public class Car {
    public void ride() {
        System.out.println("riding…");
    }
}

public class Train {
    public void signal() {
        System.out.println("signalling...");
    }
}