Blah.java

package com.unascribed.blah;

class Blah { // warning: Class Foo does not specify an access modifier (defaulting to package)
	int blah; // warning: The field blah does not specify an access modifier and the
                  // class specifies no default (defaulting to package)
	
	void hello() { // warning: The method hello does not specify an access modifier and
	               // the class specifies no default (defaulting to package)
		System.out.println("Hello, World!");
	}
}

Foo.java

package com.unascribed.foo;

package class Foo extends Bar implements Baz default private {
	int quux; // private
	
	package void hello() {
		System.out.println("Hello, World!");
	}
}