Here's a topic I don't understand. What's the benefit of making a private constructor and a public getInstance method? I understand why you would make the constructor private: to keep someone from ...

When I try to simply add a empty constructor method to a test class by using Java template in my customized recipe, after code refactoring, the constructor is generated but with a returned type ...

Exception in thread "main" java.lang.IllegalStateException: No constructor or factory method candidate found for Root bean: class [org.apache.dubbo.config.spring ...