I am working on a big string of prices which I want to cut into small groups, then from those small groups I want to read these values: firstPrice, lastPrice, highPrice and lowPrice. So far I have the following code: I am successfully getting what I want, but now I want to adjust the code a little bit. What I
Tag: java
Parametrized query request postgresql
I want to get data from my DB where is LocalDateTime equals to LocalDateTime in get request. Timeslot table code: Controller code: But when I did this request result in console is: org.postgresql.util.PSQLException: ERROR: syntax error at end of input. How do i change sql request code to fix this error? Shoul…
java.lang.IllegalStateException: ServletConfig has not been initialized in Tests
Here is my Servlet. It gets a String that I’ve put in a ServletContext in my Listener. Here is the Test class The exception I have Code from GenericServlet (javax package) where the exception happens But how do I pass ServletConfig to Generic Servlet or Initialize it? Answer Create a mock ServletConfig,…
Frequency of each value in an array of random integers
Need help with an assignment where I have to generate random runs between 1 to 6 for 30 balls and get : 1.Total runs scored 2.Number of 0s, 1s, 2s, 3s, 4s and 6s 3.Strike Rate While I have got ‘Total runs’ and ‘Strike rate’, I am unable to get the frequency of 0s,1s… I have tried…
How to put multiple values into a json in java
I’m trying to return a list of values from JDBC but multiple columns of the database to solve this I just made a JSON object to make something like this The issue is im getting this error WARN 43953 — [nio-1900-exec-1] .w.s.m.s.DefaultHandlerExceptionResolver : Resolved [org.springframework.web.Ht…
Java Lambda for spring-cloud version to 3.2.3/3.1.7 org/springframework/boot/ApplicationContextFactory: java.lang.NoClassDefFoundError
I’m trying change version for spring-cloud-function-adapter-aws from 3.0.7.RELEASE to either 3.1.7 or 3.2.3 (as Spring Cloud Function Vulnerability CVE-2022-22963) but getting error as it is not able to find the class java.lang.NoClassDefFoundError: org/spring framework/boot/ApplicationContextFactory at…
How to tidying my Java code because it has too many looping [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 10 months ago. Improve this question I have a Node class used to represent a tree structure. Within this clas…
How can i create a class that has a function takes in a string input as filename and then plays a soundfile?
This code checks if the goblin is in the same position as a coin and then gives it points. It should also play a sound when a coin is picked up Answer try this
AXIOS POST Response Fetch
I have a React ui which is supposed to communicate with the backend and fetch data. Backend works well and here is its response to my request: while I receive this error in my React for the same request. The url is the same, the parameters are in place but still there is an error and I am not able
Why do I get a “io.jsonwebtoken.ExpiredJwtException”?
I have a problem with my Spring Security JWT Application. I am getting an error because my JWT is expired, but I can’t find, where it gets the 2022-04-12 as an expiration date. I can’t find a single piece of code, which says that the expiration date is the 2022-04-12. After my understanding, it is…