Tag: programming languages

Quizzes (351) Questions (7021)

Questions Related to programming languages

Multiple choice technology programming languages

From the available options, what is the likely outcome from running the code below? (Choose one.) protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { RequestDispatcher dispatcher = getServletContext().getNamedDispatcher("/ServletB"); dispatcher.forward(request, response); }

  1. DispatcherNotFoundException.

  2. Runtime error because of incorrectly formed parameter to getNamedDispatcher() method.

  3. NullPointerException.

  4. ServletB can obtain request attribute javax.servlet.forward.request_uri.
Reveal answer Fill a bubble to check yourself
C Correct answer
Full explanation
Multiple choice technology programming languages

package simplejava; public class TestMain { TestMain() { System.out.println("I am in Constructor"); } TestMain(String message) { System.out.println("Message " + message); } public static void main(String[] args) { TestMain tm = new TestMain(); } public static void main(String args) { TestMain tm = new TestMain("Hello"); } }

  1. Compiler Error

  2. I am in Constructor

  3. Message Hello

  4. Exception
Reveal answer Fill a bubble to check yourself
B Correct answer
Full explanation
Multiple choice technology programming languages

package simplejava; public class TestConstructor2 { int p; TestConstructor2() { System.out.print(" I am in Constructor"); } TestConstructor2(int p) { this(); this.p = p; System.out.print(" p = " + p); } public static void main(String[] args) { TestConstructor2 tp1 = new TestConstructor2(10); } }

  1. I am in Constructor p = 10

  2. I am in Constructor p = 0

  3. Compiler Error

  4. Exception
Reveal answer Fill a bubble to check yourself
A Correct answer
Full explanation