Visibility bridges

GenericVisibilityBridge.java

package pkg;

class GenericVisibilityBridge extends GenericVisibilityBridgeBase<Void> {

    @Override
    public void foo(Void aVoid) {
        System.out.println("specialized");
    }
}

GenericVisibilityBridgeBase.java

package pkg;

public class GenericVisibilityBridgeBase<T> {

    public void foo(T t) {
        System.out.println("generalized");
    }
}

GenericVisibilityBridgeTarget.java

package pkg;

public class GenericVisibilityBridgeTarget extends GenericVisibilityBridge {
    /* empty */
}

VisibilityBridgeError.java

import pkg.GenericVisibilityBridgeTarget;

public class VisibilityBridgeError {

    public static void main(String[] args) throws Exception {
        GenericVisibilityBridgeTarget.class.getMethod("foo", Object.class)
                                           .invoke(new GenericVisibilityBridgeTarget(), new Object[]{null});
    }
}

VisibilityBridges.java

public class VisibilityBridges {

    public static class Foo {

        public void foo() {
            /* empty */
        }
    }

    static class Bar extends Foo {

        public void bar() {
            /* empty */
        }
    }

    public static class Qux extends Bar {
        /* empty */
    }

    public static void main(String[] args) throws Exception {
        System.out.println(Qux.class.getMethod("foo"));
        System.out.println(Qux.class.getMethod("bar"));
    }
}