Hi Sriran1 ,

what jasimp said is correct expect that implementing a interface is *NOT* mean "Has-A" relationship.

Has-A relationship is what when an Class has other Class's object...

Hi all,

I have searched about difference between KeyPressed and KeyTyped Events but still I'm not clear about that . One thing I have found is Keypressed is triggered first than KeyTyped .
...

Hi jwenting ,
Can you explain bit more ? How can I do that ?

Thanks

Hi all ,

I'm trying to display currency in Indian format but I'm getting question marks symbols instead of digits .

Please tell me how to sort out this problem .

Thanks in advance

Hi all ,

I'm trying to do find and highlight program which finds a given word by highlighting it in the textarea.
I'm finding the word in a textarea which has both vertical and...

Hi torbecire ,



Maze N = new Maze(row, col)

Above line constructs Maze object .
It has a two dimension array of type MazeCell (M) - which is it's Instance Variable.

so it creates that...

Hi seang85,
I don't want to do your homework but here is where going wrong .

There is a build in function to ease your work .Try to find it .

Thanks to masijade and jwenting for their replies . I might not stated the problem clearly. so
this is what I have to do:

When I send a message from one host to another it should appear as a...

Hi all ,

I'm new to Networking programming in JAVA .I want to send messages across hosts which are in the same Domain without using any Server program .
I'm not clear whether to use UDP or...

Hi Loreto,

Since I assume you have tried your best here is my help.
If you are serious about programming please don't just do copy and paste work instead Understand and use this snippet.
...

Hi curt22 ,

It's best practice to separate event handling method from the event source class(class which contains UI widgets). So that later it will be easy to change that without affecting...

Ezzaral ,thanks a lot for pointed out a useful link for my reference. It really helped.

Hi all ,

I had created a Document using jTextPane which I will use as a Template to create customize ones .

For eg :
I will create something like this in a Document using jTextPane...

Hi da,

Suggest me good books for Swing and JDBC(apart from Sun tutorials -which I will use) .

I have basic knowledge of Swing which I read from Head First Java but I don't know anything about...

Hi ,
You must have a condition to break the recursive call.
That is if that condition meets it should not call itself.

Hi,

You are "==" operator which checks either sides of references points to the same object .
That is checks the memory location not the contents . So use equals() function to check the contents(...

To learn about constructors and their usage
Follow this link (http://java.sun.com/docs/books/tutorial/java/javaOO/constructors.html)

Hi,

Class definition should contain only variable and method declarations(and or definitions).

Your while loops should be with in some function.

Hi ,

You don't have the reported methods(getID(),getAge(), setAge(int),setID(int)) definitions in Record Class.




and also you should have Three argument constructor with appropriate types...

Hi ,

In that program what you think are constructors are not constructors at all .

There are treated as methods since it doesn't satisfy constructor's rule and methods must have return type and...

Duoas , Thanks a lot

Thanks masijade , I thought that I should use either of the one

Hi ,
Try requestFocus() method

Hi all ,

Here are my questions :

I like to know when to use Serialization and when should the preference will be given to Database to persist an Object .

To use a database with Java at what...

Hi all,

I'm learning Serialization in JAVA .
I learned that "an array object is serializable as long as the things in the array are serilizable" .

I just need a clarification on that...

Hi ,




This function expects pointer as argument but you are passing a character .

so pass the address of that character as

Hi ,

The problem is due to ';' at switch statement.

writing
is same as
that is the case statements are not belonging to this switch statement where it should be.

What I mean is :

void func1()
{
call_fun2(); // legal
}

void func1()
{
void fun2() // illegal

Hi koldsoul ,

In that function I didn't came across any usage of "rate" variable at all.

mainly , you didn't catched the returned value of calculate() function.

you can call functions...

can you post the updated program ?
Also specify exactly what problem you are facing .

The problem is due to type conversion.
int/int will always yield int .

Hi ,
You didn't invoked that function(calculate) properly .

Hi ,

while declaring functions you need to mention the data type with variable name(optional) but not just variable names.
There should be a function definition which corresponds to declaration....

If you used some text editor to create that file then make sure that it is not appended with ".txt" extension(or something else).

type dir *.java in that directory and check that your file is...

Hi ,

Here's the solution:

#include <stdio.h>
#include <string.h>
#define N_STRINGS 7
#define arrayword 15
#define maxletters 15

Hi koolboy ,


That's a simple problem .Actually your are getting four inputs for each division but that problem is due to the statement
cout << "Enter the sales for " << "North East" << "...

Hi


You decleared highest as "string" type but assigning float value to that .
highest = NE

That's the problem

I guess your intention is to output the highest number amoung the four.if it...

Oh !!! ok .I didn't read carefully what you expected .

Here is what you expect:

do {
input = JOptionPane.showInputDialog(null, "Please enter a...

It's simple .
Before displaying that number check whether it an even number
while( num3 <= 377){ //loop ends after calculating the first 15 fibonacci numbers
num3 = num1 +...

Hi newbieGirl
Here's the solution:

import javax.swing.JOptionPane;


public class Summer
{

public static void main(String args[])