JAVA QUESTIONS

How do I avoid using if statements with a large amount of variables in java

Any of those help I broke down the logic into something much more simple. Using an arraylist of strings you can cut down the number of if/else checks significantly.

TAG : java

Date : January 12 2021, 08:33 AM , By : Aleksandra Trytek

Writing JUnit test cases for a Spring Boot Service Application with autowired components

Hope this helps You autowire the component under test, into the test. You are creating the component outside of the Spring Container thus it has no knowledge of that component.

TAG : java

Date : January 12 2021, 08:33 AM , By : kia

Cors for GET with Postman not showing headers

fixed the issue. Will look into that further The answer is the Origin header. The Spring MVC framework responds with access control headers when it receives a Origin header. Postman does not include a Origin header in a GET request.

TAG : java

Date : January 12 2021, 08:33 AM , By : Rjie23

Printing values in different column same row using APACHE POI

Hope this helps Problem is that in your first code, line 1, you are creating the same row for each gradeList element, so you are overwritten the row created for the element 80, with the one created with the element 81, etc due to that you only have t

TAG : java

Date : January 12 2021, 08:33 AM , By : Tatyana Emelyanova

Fully decompile java6 web application

should help you out jdGui can disassemble the individual component's jar files and .class files, [...] but is there a way to turn the whole project something that can be loaded in Eclipse or IDEA and "simply" be recompiled?

TAG : java

Date : January 12 2021, 08:33 AM , By : Tim H.

Passing keycloak configuration parameters in the code rather than reading from application.properties

wish help you to fix your issue Similar to KeycloakSpringBootConfigResolver, your database reader class must implement KeycloakConfigResolver and should be provided as bean.

TAG : java

Date : January 12 2021, 08:33 AM , By : cooolster

setDataSource() IO exception

Hope that helps In case you are already requesting for Runtime Permissions try this code:

TAG : java

Date : January 12 2021, 08:33 AM , By : Kuangyu Yen

Unexpected Output while retrieving Data from mongodb and displaying in a csv file?

hop of those help? The value is retained from the previous iteration. You have to initialize the userReport (UserReport userReport=new UserReport();) in the for loop or do a setInterests(null).

TAG : java

Date : January 12 2021, 08:33 AM , By : jon hid

Algorithm for searching a value in two arrays

Hope that helps No, the algorithm is not very efficient. While you break as soon as you find an a in A which is greater than k, you still have to test all combinations of a and b before that, giving your algorithm a complexity of O(m n), with n being

TAG : java

Date : January 12 2021, 08:33 AM , By : wesam hasabou

How to avoid casting with generic return values?

it helps some times Actually you return Enum.What you want to return is the Enum value of the passed enum as argument.

TAG : java

Date : January 12 2021, 08:33 AM , By : Nibil M S

Java/RegEx - Negation of pattern not working

seems to work fine Making a pattern for a delimiter in your case is not practical, because it requires odd-even counting outside your pattern - something Java regex has hard time doing.Your string is a perfect example: a single space is a separator w

TAG : java

Date : January 12 2021, 08:33 AM , By : Avila