Tag: technology

Quizzes (307) Questions (36705)

Questions Related to technology

Multiple choice technology programming languages

Given: classA {} class B extends A {} class C extends A {} class D extends B {} Which three statements are true? (Choose three.)

  1. The type List is assignable to List<A>.

  2. The type List<Object> is assignable to List<?>.

  3. The type List<D> is assignable to List<? extends B>.

  4. The type List<? extends B> is assignable to List<? extends A>.

  5. The type List<Object> is assignable to any List reference.
Reveal answer Fill a bubble to check yourself
B,C,D Correct answer
Full explanation
Multiple choice technology programming languages

Servlet A receives a request that it forwards to servlet B within another webapplication in the same web container. Servlet A needs to share data with servlet B and that data mustnot be visible to other servlets in A's web application. In which object can the data that A shares with Bbe stored?

  1. HttpSession

  2. ServletConfig

  3. ServletContext

  4. HttpServletRequest

  5. HttpServletResponse
Reveal answer Fill a bubble to check yourself
D Correct answer
Full explanation