Hi I am creating a mock atm, and I created a method to check if the user’s pin is inputted wrong, but if it is wrong it spams incorrect pin 3 times then my program stops, I am looking at how to have the user input incorrectly have it tell them it is wrong once then have them retry their
Tag: java
Getting a map and collectors error in kotlin function
I am trying to convert this java function to kotlin. I end up with the following: However on the line I get the following error: Answer You don’t need stream() in kotlin. The collections classes in kotlin provides all methods you need. (e.g. map, distinct, toMap). Here is the kotlin way to write your fu…
how java backend get value in a dropdown from frontend
In java backend which method can be used to get value in the frontend dropdown? eg: enter a country name in frontend dropdown, how can I pass this value to backend to search in database? Answer Your back end will expose a rest api that your front end will access via Rest Api call. Your dropdown list will be f…
How to create APT hosted repository using Nexus OSS API
I am creating nexus repositories using nexus API, but I don’t know how to post multiline field in json. The API to create hosted repository needs GPG key and GPG key has multiline. Help me please. Thank you very much. Answer This was an embarrassing question. When replace “linebreak(n)”, I d…
Error creating bean with name ‘solverManager’, Unsatisfied dependency expressed through constructor parameter
JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures using Spring-boot framework. Jhipster has “straight to go” script to deploy on google cloud. Optaplanner is an AI library which helps solve planning and scheduling…
If a peer client disconnects from a server could we just ignore the socketexception at the server side?
I have a server which accepts input from client; it reads text input from client and processes it in some way(each new connection is assigned a thread also). However, whenever a client suddenly disconnects from the server I receive a socketException(connection reset) from the server where BufferedReader.readL…
Update DB column which has null value in Spring boot JPA
I am trying to update in the database with the help of the Spring JPA and having an issue while doing it. I have an Embedded class in my entity. My entity class is : My Repository class is : Audit, Transfer and Beneficiary Details are my Emededded class and those are : My Controller class is: My error stack
Patterns for making two packages as loosely coupled as possible
So I’m learning to build a parser for a intro class for software design. I have built a tokenizer package that splits my input string into Token objects that have getters for both the value and type. I can also return a raw String for value and type of the current token. My public facing interface from …
Where should i put Model files of VOSK speech recognition in java? ERROR (VoskAPI:Model():model.cc:122)
I have tried to use VOSK but get this error: Answer After downloading the language model you want from https://alphacephei.com/vosk/models you have to decompress the files inside the compressed folder. Example: The spanish model downloads the compressed folder “vosk-model-small-es-0.22”, you have …
How to call the javacc parser from a simple java class and execute
I am recently learning javacc releated concepts and writing tokens and parser. I was able to write a parser and it works perfectly when I run in the terminal using the commands javacc BusParser.jj //BusParser is file name javac *.java java Calculator //Calculator is parser name //and then type input Here I am…