I try to make the program so that the user can give input of the interger of the Month (e.g when user inputs number 4, The output should be April) and it will keep asking so long the user inputs a …
Correct usage for using loading cache with a ?
I have a cache of String, Boolean.: My usage pattern is: I am trying to change this so that it uses the alternative get method that takes a loader function get(K key, Callable<? extends V> loader), to avoid the possibility that two threads both call myCache.get(“some-key”) == null and both enter the if block. I am not sure if below
Is there anyway to convert json to java bean through mybatis mapper?
In case I have a mysql join query result set, it is in json format, like this: and the mybatis mapper I can’t access this mysql instance directly, I can only export query result in json format through some “proxy platform”, is there anyway convert the json to org.example.mybatis.dto.User through the existing mybatis mapper easily? PS: I tried to use
Kotlin App open activity 2 with button CRASH
so this is the error in the logcat however when i try to declare “CreateNoteFragment” in the manifest only the .MainActivity & .SplashScreen appear and does not let me declare the .CreateNoteFragment my CreateNoteFragment also references “BaseFragment” activity as such below error. my button click code is in .MainActivity the only place it wont break and here is the code
How to call @RestControllerAdvice class from a unit test in the Service layer of a REST web service in java?
I have a REST webservice application. I am handling exceptions by exception handler using the annotation @ExceptionHandler and @RestControllerAdvice. My exceptions are thrown in the Service layer. Now I am writing unit tests for the service layer. I am checking the exceptions using Assert.assertThrows. The exception is thrown, and the test passes. However, the exception handler method is not called
JPA Entity that has a OneToMany relationship and want to use DTO
I have an entity called “Review” that has a OneToOne relationship with a “User” entity and a OneToMany relationship with a “ReviewStage” entity. I have implemented a DTO pattern so, I also have ReviewDTO which is actually what is being sent to the UI. I am using mapstruct to map the entity to dto. All is working well however, I
Using Timer.schedule to make java program run at a specific time Not working
I am trying to get use Timer.schedule() to make a task run automatically at a certain time. However, it is not working. my code: I tried to set up a timer task first I then tried to create a Date object using the current time I then use Timer.schedule(timertask, date) to tell the computer when to do the task. However,
Getting the SQL Server Connection Exception
I am getting below connection exception, when trying to connect to SQL Server using JDBC. Can someone please help, with this issue? I am using sqljdbc4.jar file to connect to SQL Server Code is as below This is the exception. Nov 14, 2020 8:33:01 PM com.microsoft.sqlserver.jdbc.TDSChannel enableSSL INFO: java.security path: /usr/java/jdk1.8.0_261-amd64/jre/lib/security Security providers: [SUN version 1.8, SunRsaSign version 1.8, SunEC
Creating a search box for quick entry in the spinner
The idea is what. Available: Spiner, adapter and array from where the spinner receives data. I would like to add a window to the spinner so that you can enter the first letters and the spinner, in …
How to use DefaultJobParametersValidator in Java-configured Spring Batch application?
How can I use DefaultJobParametersValidator in a Java-based Spring Batch Application? Should I call it manually in a Tasklet? I cannot find any examples that does not used an xml configuration. Answer A JobParametersValidator is used to validate job parameters before every job execution. You do not call it manually, you need to register it in your job definition and