LazySingleton thread safe no synchronization

/**
 * LazySingleton#getInstance instatiate a singleton on the first request.
 * 
 * Due to the loading behavior of static fields, this aproach is guaranteed to be thread safe.
 */
public final class LazySingleton {

    private static class InstanceHolder {
        public static final LazySingleton INSTANCE = new LazySingleton();
    }

    private LazySingleton() {
    }

    @Nonnull
    public static LazySingleton getInstance() {
        return InstanceHolder.INSTANCE;
    }

}