Don Bottstein questions

Don Bottstein answers

• Mock method in junit test
• How to return the sum in an object ArrayList
• @TestPropertySource doesn't work for JUnit test with AnnotationConfigContextLoader in Spring 1.2.6
• Mockito error with method that returns Optional<T>
• Proper way of autowiring shared queue in Spring
• How can I add a contextListener in logback groovy configuration?
• Using default Providers/MessageBodyWriters in Jersey 2
• Why Does This Apache Camel Route Not Convert JSON to XML?