Exactly how to do this depends on the version of Jackson that you’re using. This changed around version 1.9, before that, you could do this by adding @JsonIgnore to the getter. Which you’ve tried: Add @JsonIgnore on the getter method only Do this, and also add a specific @JsonProperty annotation for your JSON “password” field name to the setter method for the … Read more
How about like this: The Collections.reverseOrder() provides a Comparator that would sort the elements in the PriorityQueue in a the oposite order to their natural order in this case.
An absolute URI specifies a scheme; a URI that is not absolute is said to be relative. http://docs.oracle.com/javase/8/docs/api/java/net/URI.html So, perhaps your URLEncoder isn’t working as you’re expecting (the https bit)?
I’m new to Java and very confused. I have a large dataset of length 4 int[] and I want to count the number of times that each particular combination of 4 integers occurs. This is very similar to counting word frequencies in a document. I want to create a Map<int[], double> that maps each int[] to a running count … Read more
Using Collections to shuffle an array of primitive types is a bit of an overkill… It is simple enough to implement the function yourself, using for example the Fisher–Yates shuffle:
had better be List The only List implementation in java.util.concurrent is CopyOnWriteArrayList. There’s also the option of a synchronized list as Travis Webb mentions. That said, are you sure you need it to be a List? There are a lot more options for concurrent Queues and Maps (and you can make Sets from Maps), and those structures tend to make the most sense for many of the … Read more
The ClientRepository should be annotated with @Repository tag. With your current configuration Spring will not scan the class and have knowledge about it. At the moment of booting and wiring will not find the ClientRepository class. EDIT If adding the @Repository tag doesn’t help, then I think that the problem might be now with the ClientService and ClientServiceImpl. Try to annotate the ClientService (interface) with @Service. … Read more
The ClientRepository should be annotated with @Repository tag. With your current configuration Spring will not scan the class and have knowledge about it. At the moment of booting and wiring will not find the ClientRepository class. EDIT If adding the @Repository tag doesn’t help, then I think that the problem might be now with the ClientService and ClientServiceImpl. Try to annotate the ClientService (interface) with @Service. … Read more
If you want to use an array, you have to keep a counter which contains the number of cars in the garage. Better use an ArrayList instead of array:
The problem arises because your lambda expression does not reference this or a member of this but a member of the outer this. Had you written class B like the compiler rejected it without any doubts as accessing innerData implies accessing this. The point about the outer instance is that it is a constant which is even available when the inner instance has not been fully … Read more