The main method in a java application has the following signature:

public static void main(String[] args)

If you are a beginner I would suggest starting with something a bit simpler than a...

You type java Hi, there is no need to specify the ".class" to run your program. Also, you will need a main method in that class to run the program.

Hi alreem,

We can only help you if you show that you have made some sort of an attempt. Do you have an algorithm or some code that you have tried? We may be able to point you in the right...

Hi easyb and welcome to DaniWeb :)

You don't need to use Math.pow at all. Math.pow is used to find the power of a number. I wish that banks would pay interest exponentially but unfortunately... ;)...

String number = Float.toString(number);

I think what you are trying to do is convert the number n to a string yes?

What I would do is this:

String number = new Float(n).toString();


Here...

Hi ankiwalia and welcome to Daniweb :)

Your SQL syntax is incorrect. Instead of this:

String query="select username and password from Registeredusers";

Try this:

String query="select...

In order to tell what parameters you need to pass to the method, you can look at the method signature. In your Pizza class, let's look at how the setSize method is described:

public void setSize...

About 50% of my job is in documentation and technical support. There are many help authoring tools out there and in general you get what you pay for. http://hat-matrix.com/ might be able to help you...

Should zipCode belong to the Individual class or the IndividualArray class? I think it is a value relating to the Individual, not the list of Individuals.

You need to call Graphics2D.setStroke(Stroke) method before drawing a line. You will need to create a Stroke first - use the BasicStroke class for now. Also, don't forget to reset the stroke after...

Hi Akeem Amure and welcome to Daniweb :)

A couple of things before we start - please don't shout (by using all capitals) and there is no need to ask for help as soon as possible as we always try...

Rather than implementing the ActionListener in your class, it is probably better to add an ActionListener to your menu item. You can do this by

// Exit menu item
exitItem = new JMenuItem("Exit");...

dReg1 in the above code is an Accumulator, a register that is used to keep track of the result of the calculations. If you think about how a calculator works, you enter a number, press the operator,...

It looks to me like it is a flag to tell whether something has been inputted or not. If it hasn't, isFixReg is set to true, and pressing a number (for example) starts a new String. Otherwise,...

Ok I don't want to give it away, but the line String "type"; is not how you initialise a String. And it is in the wrong method.

You have moved the line Triangle T = new Triangle(); from where it...

Hi piers,

The problem is that you posted a huge chunk of code that any of your fellow students could copy easily by searching for "scanner" in google. I think that is what the person is implying...

Hi Libran,

To help debug your code, try adding some println statements to gain a better understanding of what is going on. Please see my comments below.



import java.util.*;
import...