thebbqcode

Derive the value of PI constant in cpp

Submitted by bbq on Tue, 26/01/2010 - 17:39

PI is a mathematical constant used in the calculation of circles and various other mathematical operations, there is argument over what the value of the constant PI ~= 3.142 this little snippet shows how the value is derived from a finite series.

double derive_pi(int max_samples)
{
	// arbitary constant-> incremented
		// by 2 to be used as denomiater (odd)

Basic Bank Account Class using cpp

Submitted by bbq on Tue, 26/01/2010 - 17:38

Just answered a question on DreamInCode Forums and thought it might as well be here too. Just a very basic Account class for C++

#ifndef ACCOUNT_H_INCLUDED
#define ACCOUNT_H_INCLUDED
 
class Account
{
public:
  Account(int initial_balance);
  void deposit( int amount);
  void withdraw( int amount );
  int getBalance();
 
private:

Cpp Code Snippets

Submitted by bbq on Tue, 26/01/2010 - 17:37

I will be posting many code snippets in c++

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Cpp programming tutorials

Submitted by bbq on Tue, 26/01/2010 - 17:35

Here will be lost of tutes

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Univeral Converter using java

Submitted by bbq on Tue, 26/01/2010 - 17:25

This is just an example of a very basic Java Converter using GUI.

/*
 * Simple Converter suitable for anything
 * demonstration very basic GUI Java
 */
 
/**
 *
 * @author bbq
 */
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
 
public class BasicConverter extends JFrame implements ActionListener
{
 
    // Constructor //

Parabolic Mathematics in Java

Submitted by bbq on Tue, 26/01/2010 - 17:23

I have not completed this application and do not intend to - here is the code.

Will calculate various things for parabolic curves - i was going to implement a graphical interface to show visually the important data associated with parabolic curves, however i am short on time at the moment.

Media

Source Code is below

package Grapher;
 
/**
 *
 * @author bbq

Object Oriented Banking System using Java

Submitted by bbq on Tue, 26/01/2010 - 17:21

I often find myself answering questions about Accounts, Clients and Banking systems in the java section as it seems to be the flavour of the times to demonstrate object oriented programming in both java and c++, so i thought to cut down on myself rewriting answers to common questions i would create a basic tutorial of how to setup a banking program utilising a few classes, some basic member functi

Using Abstraction and Instance of in Java

Submitted by bbq on Tue, 26/01/2010 - 17:20

figured i would show a very simple breif on who this can be achieved.

In order to address the problem i have resorted to abstraction, super classes and the use of instance of in java.

Firstly the breif

Store new game information inside the array.
Display all the game information.
Search for particular game based on a game type.
Update information for a particular game detail.

Using Recursion In Java To Find Factorial

Submitted by bbq on Tue, 26/01/2010 - 17:07

Here is a way of finding the factorial of a number using recursion, i have also added an iterative method of achieving the same result. Note the simplistic nature of recursion.

// Contained here are 2 ways of determining the factorial
// of a given value, adjustments need to be made to store 
// Large values, its just a starting point =)
 
//recurive function

Base to Power Value Using Java

Submitted by bbq on Tue, 26/01/2010 - 17:06

This class will allow you to produce a^n for all real n

class Power
{
	void run()
	{
 
		System.out.println("Program to compute a number a to the power of b\nTrial Values will be 5^0, 5^1 and 5^2, 5^3\nEnjoy\n\n");
 
		//series of test values
 
        //Values are of type double, hence for Elements format to 0 decimal places

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