Java Core Programming Competency (Intermediate Level)

Topics covered

• access public, private, and protected methods
• construct a JAR file with multiple main classes and run each of them
• create a custom annotation and examine retention policies
• describe how dependencies are stored in fat or uber JARs
• execute and view the contents of a Java archive built with Maven
• explore the disadvantages of using reflection with generics
• investigate how you can get a handle to class objects using just the class name
• invoke and call methods using handles
• invoke interface methods and object base class methods on proxies
• use class handles accessed via reflection to explore properties of classes