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import java.util.concurrent.Callable;
 
class Main {
    public static void main (String[] args) throws MojoFailureException {
        new Main().foo();
    }
 
    void foo() throws MojoFailureException {
        execCode(() -> doBar());
        execCode(() -> { doBar(); });
        //execCode(this::doBar);
    }
 
    void doBar() throws Exception {
        System.out.println("bar");
    }
 
    void execCode(Runnable code) throws MojoFailureException {
        try {
            code.run() ;
        } catch(Exception e) {
            throw new MojoFailureException(e);
        }
    }
 
    class MojoFailureException extends Exception {
        MojoFailureException(Exception e) {
            super(e);
        }
    }
}
 

Main.java:9: error: unreported exception Exception; must be caught or declared to be thrown
        execCode(() -> doBar());
                            ^
Main.java:10: error: unreported exception Exception; must be caught or declared to be thrown
        execCode(() -> { doBar(); });
                              ^
2 errors

Standard output is empty