isAnonymousClass

Is this type declaration corresponding to an anonymous class?

This is an example of anonymous class:

HelloWorld frenchGreeting = new HelloWorld() {
    String name = "tout le monde";

    public void greet() {
        greetSomeone("tout le monde");
    }

    public void greetSomeone(String someone) {
        name = someone;
        System.out.println("Salut " + name);
    }
};