/* package whatever; // don't place package name! */
 
import java.util.concurrent.Callable;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
    public void call(Callable<Void> c) {
		try {
			System.out.println( "Callable.");
			c.call();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
 
	public void call(Runnable r) {
		System.out.println( "Runnable.");
		r.run();
	}
 
	public static void main(String[] args) {
		new Ideone().call( () -> {System.out.println("FIXME");});
		new Ideone().call( () -> {throw new RuntimeException("FIXME");});
	}
}

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