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Tag: java

Set value to mocked object but get null

I have a simple class Foo to be mocked: In my unit test code, I mock it by using Mockito. I set name in mocked object, but when I call getter to get the name it returns null. Is it a Mockito specific issue or is it an convention that mocked object can’t set value? Why is that? What is

Difference between @Bean and @Autowired

Why can’t I use @Autowired in this case? but can use @Bean Aren’t the two ways to generate BookingService the same thing? Answer @Bean and @Autowired do two very different things. The other answers here explain in a little more detail, but at a simpler level: @Bean tells Spring ‘here is an i…

Spring Boot classpath

In the Spring Boot’s docs here, about serving static content, it says: By default Spring Boot will serve static content from a directory called /static (or /public or /resources or /META-INF/resources) in the classpath. I found that all the content in the directory: will be copied inside the classpath, …

Java async MySQL queries

First of all, I don’t have much experience with thread safe programming. I have a MySQL class, and I want to use one instance in multiple threads to prevent blocking code in the main thread. I read about connection pooling but I want to keep it as simple as it is. This is my MySQL class: Is it possible …