StringBuilder s = new StringBuilder("Hello
Mom");s.append(",I mean,Mother");
Response.Write(s.ToString());
String s = "Hello Mom";
s+ = ",I mean Mom";
Response.Write(s);
Which is faster ? which uses the most memory?
my method "abc" return array of interface "xyz"
and "pqr" is abstract class implements abc
and class "jkl" extends pqr
My problem
1) when i call abc it retrun array xyz how can i do this
hint
xyz refer_xyz = new jkl();
but i can't create array.
2)I want to access method of jkl using reference of xyz??
What will happen inside init() in servlet. my interviewer
asked servlet lifecycle. i said "once servlet is loaded in
to memory init() will be called which performs servlet
initialization " . Again interview asked what values will be
initialized . what is difference between init() and
init(ServletConfig config).
I have a sorting issue with a Hashmap. My constraint is that
I MUST use the Hashmap and work with existing code. I do a
database query and place the results in a Hashmap. When I
iterate thru the Hashmap, it loses the original alphabetical
sorting done by the database. So, my problem is that I must
sort the results coming out of the Hashmap which is then
placed into another class.
Hi Friends, I am new to java. Can u explain about thread
concept.How i know one thread is locked, and how can i force
or acquire another thread for lock . Finally how to know
thread is released from lock. Explain types of lock(like
method level and block level) in thread.
Hi Friends, I am beginner in java. what i know about
synchonized keyword is,If more that one 1 thread tries to
access a particular resource we can lock the method using
synchronized keyword. Then after that how the lock is
released and how next thread access that.Please explain with
example.
Difference between a MenuItem and a CheckboxMenuItem?
199
hi am an engineering student and my next plan is for ms in
either in us or australia i got my passport but i dont know
anything bout visa can u give brief idea
1)How to get prepared for visa and
2)How to apply for top universities and
3)How to pay the fee and so on
These all are basic questions plz give me a clear idea
75
Is it safe for adding 10,00,000 records/objects to
HashMap?, i.e is it safe to add millions of objects to
HashMap?
107
Name the components that are termed to be Heavy-weight
component but available in Light-weight components?
371
what is bmg file and how to create that files?what will it
contailn?
Howto get an object that will perform date & time calculations
then format it for output in some different locales with
different date style.can ne1 tel me the answer of this
question.pls
49
Tell me the Importent classes in net package?
138
What happens to the Exception object after handling an
exception?
121
23. Storage space in java is of the form
Stack
Queue
Heap
List
24. What is java code embedded in a web page known as
Applets
Servlets
scriptlets
snippets
25. Which of the following attributes are compulsory with
an <applet> tag?.
code,height & width.
26. What does 'CODEBASE' in an applet tag specify?.
Files absolute path.
How will you serialize a singleton class without violating
singleton pattern?
37
How to solve the problem of generating the unique hash keys
with hash function?
63
Hai friends I am MCA 2006 passout. Spend time in 1 yr for
teacing and 5 months in small s/w firm. worked in 4 or 5
months in few places. Presently I am writing bank exams. I
want to get back to IT sector. Are there any possibilities.
any growth prospects?. I am having some knowledge in core
and advanced java. I am so desperate. Any suggestions thanks
in advance. u can write to my mail mahidestiny@gmail.com
40
how to deploy tomcatserver to weblogic server?
write d following steps?
74
My application URL :
http://localhost:8080/Application/Login.jsp. When a user
enter this url in IE then, how it get Login.JSP Page
exactly? what are the processes will happen from when we
submit the URL to get Login.jsp?
along with your userid / name. ThanQ
Site Map
