64 questions
I'm creating an app with SpringBoot, and I want to be able to send it empty without entering a date.However, if you send it empty, the type conversion from String type to Date type will be obvious, bu...
I'm creating an app with SpringBoot, and I want to be able to send it empty without entering a date.However, if you send it empty, the type conversion from String type to Date type will be obvious, bu...
I am learning Spring using the Spring Tool Suite (STS).On the way, I noticed that there was a shortage of libraries, so I did the following:Add one line of implementation to build.gradeFrom Package Ex...
I am studying java at SpringToolSuite4.I am trying to automatically add Getter, Setter, etc. using [email protected], the controller does not digest Getter, so Even if I access it directly from the ...
I plan to develop a multi-tenant service.It is assumed that each user (service user) will have a direct reference to the database of this service from an external system.We want to separate data sourc...
The previous question worked well, so I tried to change the table and run it, but it didn't work.What is the cause?package com.example.demo.mysql;import javax.persistence.Column;import javax.persisten...
When I change the value to what I want to update on the edit screen and press the execution button, an error such as No value present appears, so I would like to make this improvement.I am thinking of...
Questions about SpringBoot dependency injection and unit testing.Based on the class being tested, is it possible to test only the classes that are double autowired by Mock?Specifically, I would like t...
I am currently creating the springboot application and as the title suggests, I have placed several submit buttons on the form.I'd like to do a single test on the controller method, but the request do...
I would like to validate the Date type in ExampleForm.java using @DateTimeFormat in the Spring Boot application, but when I use typeMismatch in messages.properties, the message definition is not set i...
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