Java interview questions part 2
Java interview questions part 2
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. What is used to get class name in reflection?
Correct Answer is : getClass().getName()
2. How method can be invoked on unknown object?
Correct Answer is : obj.getClass().getMethod()
3. How to get the class object of associated class using Reflection?
Correct Answer is : Class.forName(“className”)
4. What does Class.forName(“myreflection.Foo”).getInstance() return?
Correct Answer is : Foo object
5. What does foo.getClass().getMethod(“doSomething”, null) return?
Correct Answer is : Method is returned and we can call the method as method.invoke(foo,null);
6. Which one of the following is correct for directive in JSP?
Correct Answer is : <%@directive%>
7. Which of the following action variable is used to include a file in JSP?
Correct Answer is : jsp:include
8. Which attribute uniquely identification element?
Correct Answer is : ID
9. “out” is implicit object of which class?
Correct Answer is : javax.servlet.jsp.JspWriter
10. Which object stores references to the request and response objects?
Correct Answer is : pageContext
11. What temporarily redirects response to the browser?
Correct Answer is : response.sendRedirect(URL)
12. Which tag is used to set a value of a JavaBean?
Correct Answer is :
13. Can and <%–comment–%> be used alternatively in JSP?
Correct Answer is : FALSE
14. Java code is embedded under which tag in JSP?
Correct Answer is : Scriptlet
15. Which of the following is not a directive in JSP?
Correct Answer is : command directive
16. Which of the following is used for session migration?
Correct Answer is : Persisting the session in database
17. Which of the below is not a session tracking method?
Correct Answer is : History
18. Which of the following is stored at client side?
Correct Answer is : Cookies
19. Which of the following leads to high network traffic?
Correct Answer is : URL rewriting
20. Which of the following is not true about session?
Correct Answer is : Default timeout value for session variable is 20 minutes
