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Madan Mohan

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since Dec 05, 2008
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Recent posts by Madan Mohan

thanks for your reply.....

Well actually I am going to use IDAPI with my third party application...so right now I am developing the third party application with basic requirement like login.jsp page once this page gets authienticated I should get a page wherein I should be getting options page...but my primary requirement is my user should get authenitcated first....how do i go about it please let me know
12 years ago
JSP
Hello Users,

I am very new to this technology...so please excuse me if my question sound an idiotic one.

well, I want to design an application using tomcat application server.....but I dont know how am i going to proceed with the same.

I have designed a login.jsp page, and error.jsp page. now what is next.

how and where do I map the users?

Regards,
Madan
12 years ago
JSP
I changed the class name ..its still not compiling....

what do you mean by define a constructor...i belive in API such constructor should already be in place

Besties.

Hello,

I am not able to compile the following code...can anyone tell ...what is the issue....

Hey Punit...


I am sorry but I am yet not clear on what you are trying to convey

Best Regards
Hello Genius,

I am referring Kathy & Sierra Book. I am stuck with a question on a assingment chapters' Self Test.
It has a following code...





What is the result :
A. Many
B. A few
C. Compilation fails.

answer C is correct and book has following explanation for this

}

compilation fails. The var-args declaration is fine, but invade takes a short, so the argument 7 need to be cast to a short. with the cast, the answer is B, 'a few'



i dont understand y the compilation is failing and why do we have to cast it....argument 7 is well within the range of short limit.
and even if we require to cast how would we do it .

any help is much appreciated

can somebody send me the link to download jdk 1.6
thanks in advance
12 years ago
hello ,

could someone please tell me the diffirence between JRE and JDK

Regards,
Madan
12 years ago
hello Genius,

Could anyone please explain me this code.. how the invocation is gonna happen...




ohh i amm so sorry for not using code. thanks for the help.

thanks a ton
Hey punit,

i wrongly printed the code...could you now tell me where the error is?

many thanks
sorry frends...

i wrongly printed the code ....the code is as follows

import java.io.*;
public class SerializationDemo{
public static void main(String args[])
try{
MyClass object1 = new MyClass("Hello",-7,2.7e10);
System.out.println("Object : " +object1);
}

catch(Exception e){
System.out.println("Exception during serialization : " +e);
//System.exit(0);
}

}


class MyClass implements Serializable{

String s;
int i;
double d;

public MyClass(String s , int i, double d){

this.s=s;
this.i=i;
this.d=d;
}

public String toString(){

return "s=" + s + "; i=" + i + " ; d=" +d;
}

while compling this is giving me an error msg " ; expected"

can anyone catch where the error is occuring...
thanks guys....even i could make out that...but what i am not able to Understand here is why everyconstructor in the class and super class is being called .... i think constructor should be overloaded based on the call...but here i see that all the constructor with diffirent arguments are being invoked...why so... please explain...
class Cube {

int length;
int breadth;
int height;
public int getVolume() {
return (length * breadth * height);
}
Cube() {
this(10, 10);
System.out.println("Finished with Default Constructor of Cube");
}
Cube(int l, int b) {
this(l,b,20);
System.out.println("Finished with Parameterized Constructor having2 params of Cube");
}
Cube(int l, int b, int h) {
length = l;
breadth = b;
height = h;
System.out.println("Finished with Parameterized Constructor having params of Cube");
}
}

public class SpecialCube extends Cube {

int weight;
SpecialCube() {
super();
weight = 10;
}
SpecialCube(int l, int b) {
this(l, b, 10);

System.out.println("Finished with Parameterized Constructor having2 params of SpecialCube");
}
SpecialCube(int l, int b, int h) {
super(l, b, h);
weight =20;
System.out.println("Finished with Parameterized Constructor having3 params of SpecialCube");
}
public static void main(String[] args) {
SpecialCube specialObj1 = new SpecialCube();
SpecialCube specialObj2 = new SpecialCube(10, 20);
System.out.println("Volume of SpecialCube1 is : "+ specialObj1.getVolume());
System.out.println("Weight of SpecialCube1 is : "+ specialObj1.weight);
System.out.println("Volume of SpecialCube2 is : "+ specialObj2.getVolume());
System.out.println("Weight of SpecialCube2 is : "+ specialObj2.weight);
}
}

output is

Finished with Parameterized Constructor having 3 params of SpecialCube
Finished with Parameterized Constructor having 2 params of SpecialCube
Volume of SpecialCube1 is : 1000
Weight of SpecialCube1 is : 10
Volume of SpecialCube2 is : 2000
Weight of SpecialCube2 is : 20

could someone please explain me how :"Weight of SpecialCube2 is : 20" is coming...

will appreciate any help from the core....