Radhakrishna

• Nov 9th, 2006

hi,By default the first statement of any constructor is the super();  means  before excuting the subclass constructor it will call the superclass zeroargument constructor.putting this statem...

meetnaveen4u

 Profile Answers by meetnaveen4u Questions by meetnaveen4u

• Oct 10th, 2006

Hi,I think the question is wrong. When we extend the super class then only a class becomes subclass of super class. Please reframe it properly.ThanksNaveen.

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Radhakrishna

• Nov 9th, 2006

hi,   The significance of input attribute for the action tag is:If any FormBean is mapped with that path then the request goes to that FormBean first instead of that action  and it will...

hibapi

 Profile Answers by hibapi Questions by hibapi

• Oct 31st, 2006

first you go through a text book on struts or go through some online tutorials on struts...for the first timers on struts.......i suggest the book by Steven Holzner.....sory i have forgotten the bo...

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Radhakrishna

• Nov 8th, 2006

hi,Totally there 3 uses of "super" keyword..  we can call the superclass variables,constructors and methods.. the belove example will give u the better understanding of super keyword..class super...

chaitanya

• Oct 25th, 2006

the super keyword is used to access the method that belongs to parent class that has been overridden in the child class .for example:class a{          ...

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Radhakrishna

• Nov 8th, 2006

hi,   Diff b/w abstract class and interface are.. Abstract class can have concrete methods also..eventhough if the class doesn't contain any abstract method we can declare that class as...

niranajn

• Nov 8th, 2006

In Abstract class we can have non-abstract methods.Atleast one method should be abstract,others may be abstract or concrete.Where as i Interface we dont have non-abstract methods.In abstract classes w...

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Narendra

• Nov 6th, 2006

HI,If you have slight knowledge , go for "Headfirst java" that is very easy understand with graphical terminology.Title: "Headfirst Java"  Author:Kathy siera and Bert bates.narendra

PATEL DIMPLE

• Aug 26th, 2006

    book name :- java2 complete refrence  

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mudiappan.a

• Nov 4th, 2006

rRequest dispatcher whis communciate dirctecly communicate with data which page destination page .example:ServletContext sc=getServletContext();RequestDipatcher rc =sc.getRequestDispatcher("1.jsp");rc...

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sripri

 Profile Answers by sripri Questions by sripri

• Oct 27th, 2006

You can debug your servlet remotely or locally on WebSphere Application Server, or locally on Apache Tomcat without losing the state of your application.

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Shweta

• Oct 27th, 2006

No, In Inheritance only the public and protected memberes of the base class can b inherited by the derived class. Private members r only accessible to the member functions of the class.

manjunath shenoy

• Jan 18th, 2006

NO,not at all.Infact the access specifier PRIVATEensures that data members of that class is not inherited.This helps in the concept so called data hiding or encapsulation.If u want that ur code can b inherited then use PUBLIC,or PROTECTED.These allow inheritance.

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A) A servlet can handle multiple requests concurrently, and can synchronize requests. This allows servlets to support systems such as on-line conferencing.B) Servlets can forward requests to other servers and servlets.C) Servlets can be used to balance load among several servers that mirror the same content, and to partition a single logical service over several servers, according to task type or organizational...

MANISHA PATHAK

 Profile Answers by MANISHA PATHAK Questions by MANISHA PATHAK

• Oct 27th, 2006

Answer : A)

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A) ColonB) SemiColonC) HypenD) Dot

MANISHA PATHAK

 Profile Answers by MANISHA PATHAK Questions by MANISHA PATHAK

• Oct 27th, 2006

Answer : B)Semicolon

gagan

• Aug 23rd, 2006

ans is B

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James Samuel

• Oct 27th, 2006

Servlet defines the functionality of the servlet. Just like Applet defines the functionality of a browser

Pallavi

• Dec 28th, 2005

Servlets are small programs that execute within the address space of a Web Server.In short they are Server Side applets.

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1. Applets can be embedded in HTML pages and downloaded over the Internet whereas Applications have no special support in HTML for embedding or downloading.2. Applets can only be executed inside a java compatible container, such as a browser or appletviewer whereas Applications are executed at command line by java.exe or jview.exe.3. Applets execute under strict security limitations that disallow certain...

MANISHA PATHAK

 Profile Answers by MANISHA PATHAK Questions by MANISHA PATHAK

• Oct 26th, 2006

An Applet is a program which is intended to be transmitted over internet and An Application is a standalone programs which can run on any machine where JVM is installed.

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So they can be invoked as if they are a mathematical code library.

MANISHA PATHAK

• Oct 26th, 2006

Static Methods can be directly called.There is no need to create the object of the class.ex    class A       {       &nb...

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The == operator would be used, in an object sense, to see if the two objects were actually the same object. This operator looks at the actually memory address to see if it actually the same object. The equals() method is used to compare the values of the object respectively. This is used in a higher level to see if the object values are equal. Of course the the equals() method would be overloaded in...

MANISHA PATHAK

• Oct 26th, 2006

== operator is used to compare whether the two references where equal or not.ex. String s1="abc";     String s2="xyz";     In this case if we compare if(s1...

vijay saxena

• Oct 23rd, 2006

Object.equals()  will certainly calls for member function becs it is invoked by its object. although the worked is same in function code as well as == opearor overloading, but variation is in met...

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A) TrueB) False

MANISHA PATHAK

• Oct 26th, 2006

Answer is  TRUE

chaitanya

• Jan 17th, 2006

True. enum is a keyword in j2se5.

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srinu

• Oct 25th, 2006

Compilation error because ur printing the value of the 'i' without Initializing it

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Srinu

• Oct 25th, 2006

Yes, Final will exectue even we use return in try

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Srinu

• Oct 25th, 2006

Yes, we can have a Try without Catch & with FinallyThe rule is U should have either catch(es) or finally followed by Try block

lucas

 Profile Answers by lucas Questions by lucas

• Nov 28th, 2005

The try statement must include either a finally clause or at least one catch clause.)

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Swing is an extension of, and not a replacement for the AWT. There is some overlap between AWT and Swing (for example a Swing JButton component might be viewed as an improved functional replacement for an AWT Button component.) One of the advantages of Swing components is that because the components are not rendered on the screen by the operating system, the look and feel of a component does not change...

Gaurav Sharma

• Oct 25th, 2006

One more thing i want to add in in this answer that AWT is written in pure C and swing is written in java.

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A) main threadB) thread groupC) child threadD) thread pool

sivaprasad

• Oct 25th, 2006

Main thread no doubt in that....after execution of mainthread only it will split int no of child threads and so on ...

Manigandan1981

 Profile Answers by Manigandan1981 Questions by Manigandan1981

• Jan 9th, 2006

Main Thread

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