An applet may undergo the following states:
Init : An applet is initialized each time is loaded.
Start : Begin the execution of an applet.
Stop : Stop the execution of an applet.
Destroy : Perform a final cleanup, before unloading the applet.
|What are Reflections?|
|What does the following code usually output? And why usually?|
|Where would you use LinkedList and where an ArrayList?|
|Identify the Autoboxing and the Unboxing in the following example:|
|What is Auto-boxing and Unboxing, and does it impact performance?|
|Primitive vs Object types?|
|What is the parent class that every other class extends from?|
|Why is Java said to be 'write once, run everywhere'?|
|What are static methods and fields?|
|What is JPA and how is it different from JDBC?|
|What is the difference between an Application server and servlet container?|
|Given the following example code, which overrides are valid and which one aren't (with explanation)?|
|What types of Exceptions exist in Java (and what is the difference)? Name few common Exceptions of each type.|
|What are default methods?|
|Why are exceptions expensive in Java?|
|What is the problem with the following example and does it compile?|
|What are generics in Java?|
|What's the difference between a HashSet and a LinkedHashSet?|
|What's the synchronized version of a HashMap?|
|What's the difference between StringBuilder and StringBuffer?|