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Java codes on calculator

Create a a java program that displays a certain price of a product to becalculated.

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When this is type of messeage u shown...that means u make some wron url..first try to correct ur spealing mistake than u see.

Posted on Mar 11, 2008

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Posted on Jan 02, 2017

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When someone says then need to create a solution using java what do they mean?


Java is a programming software used in many areas like websites, cell phones apps and many more. Java scripts used to desigh how the web sites interact with the viewers. Java also used to create apps used in the cell phones. These apps can be designed to solve certain problems.So when someone says they need to create a solution using Java, they might refer to the fact that they need to create a new app or redesign how an app should respond to the commands.

Nov 13, 2014 | Cell Phones

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How do I adjust Barcode on the price tickets?


<p> <p> <p>Bar codes are created using the software to generate bar code and printed on price tags with bar code printers. Tickets barcode typically contain product information and pricing, but there are times when prices should be adjusted to produce a product more salable. Establish a barcode on a price tag, generating a new image of the barcode using a computer, print the barcode image and paste the image printed on the sticker price. <br /> <p><br /> <p>1. A site of a software program that allows you to create an image of the barcode (see Resources) to download. <br /> <p><br /> <p>2. See the homepage of the site and watch the program interface. Choose the type of barcode you want to generate from the list displayed. Enter the information you want to encode the space provided. Click "Generate barcodes" to create barcode images. See the image and right click on it to a drop-down menu to display. Click "Save image as" the image of the barcode on your local computer store. <br /> <p><br /> <p>3. Place a sheet of paper label on the computer printer. Open the folder where the image of the barcode. Right-click on the image of the barcode that you saved and click on "Print" from the menu bar to print. <br /> <p><br /> <p>4. Cut the bar code printed on the price tag to match, and stick it in the bar code on the old price. Scan the barcode with a barcode scanner and check the data sent to your computer. <br />

on Jun 26, 2011 | Computers & Internet

1 Answer

How can i corredt this error ??


report to mojang and play the pe version for a while. or you can delete your minecraft file and download it again

May 23, 2014 | Kaltner.net Minecraft Mobile Admin

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I can not play certain apps signing in with my fb it tells me error line 2


That means there is an error on line 2 on the code for the program, have you tried updating your adobe flash player and built in java?

You can update adobe flash by going here:

http://www.adobe.com/products/flashplayer.html

You can update java by going here:

http://www.java.com/en/download/index.jsp

I hope this fixes your problem friend :)

Feb 26, 2013 | Computers & Internet

1 Answer

How to program calculator in java


Hello,
If the question is : how to make a programmable calculator run a program written in Java, the amswer is : you cannot. Maybe the newer ones.

But if you are looking for the source code of a Java applet that simulates a calculator, then maybe you should launch a Google search with keywords Java calculator and see what you get. I do not want to spoil your fun by supplying a link to what my search returned.
Hope it helps.

Oct 09, 2009 | Canon Office Equipment & Supplies

2 Answers

Source code in java that display bio data


program that display first name and second name

Jun 18, 2009 | Sun Java Programming Language (cdj-275)

1 Answer

Code for method parseInt() in java


parseInt(java.lang.String, int)

This code takes two arguments, a string constructor from the Java language and an integer. Its purpose is to parse (meaning de-construct or disassemble into component parts) one data type into another.

Here is an example of a Java program to specify and print out the dimensions of a rectangle, taken from the page http://www.roseindia.net/java/beginners/entervaluesfromkeyboard.shtml:

class Rectangle{
int length, breadth;
void show(int x, int y){
length = x;
breadth = y;
}
int calculate(){
return(length * breadth);
}
}
public class EnterValuesFromKeyboard{
public static void main(String[] args) {
Rectangle rectangle = new Rectangle();
int a = Integer.parseInt(args[0]);
int b = Integer.parseInt(args[1]);
rectangle.show(a, b);
System.out.println(" you have entered these values : " + a + " and " + b);
int area = rectangle.calculate();
System.out.println(" area of a rectange is : " + area);
}
}

Apr 09, 2009 | Sun Java Programming Language (cdj-275)

1 Answer

Problem in java


This is how to create notepad application in java:
http://www.dreamincode.net/forums/showtopic66176.htm

Also, you can take a look to this one and download free source codes:
http://forums.targetlife.com/showthread.php?t=259

Enjoy it! Good luck

Mar 04, 2009 | Sun Java Programming Language (cdj-275)

1 Answer

JAVAC IS NOT RECOGNIGED AS AN EXTERNAL OR INTERNAL COMMAND OPERABLE PROGRAM OR BATCH FILE''


Your PC - not the calculator - printed this message. It means that the PC tried to execute the Java compiler, but couldn't find the program. Either the Java compiler is not installed, or the PATH environment variable is not set correctly.
To install the Java compiler follow the instructions for installing J2SE at java.sun.com To fix the PATH environment variable: right-click on My Computer, select Properties, select Advanced System settings, select environment variables, edit or create a new variable called PATH in the system or user settings with the path of the javac.exe program. This is often found in c:Program FilesJavain (it's in a java...bin directory somewhere)

Mar 02, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

Java gui code


Okay. I'll try and explain what this code is doing for you.

First thing you need to understand is your "gui" is what is known as "Standard Out" and "Standard In", this is how Java outputs text to the console, and how it inputs text written by a user from the console. A function like "System.out.println([some string])" will print out that line to the console.

Second thing is the idea of classes. A class can be thought of like a code "blueprint". You write the blueprint, and then you create individual "objects" based on that class in your code. While each object is independant, and has it's own properties, functions, and its own spot in memory, it is based on the same code.

If I made a class called, say, "Shape", and I gave it two properties, "Size" and "Color", then I could in my program make lots of different "Shape" objects and they would each have their own independant sizes and colors. Yet, if I made a function in the class called "Draw" which magically drew it on the screen in the appropriate size and color that I had specified, I could call "Draw" for each object, and each shape would be drawn on teh screen. The same code is being executed for each shape, but with different values for the size and color, since each shape object is its own unique entity with its own size and color.

The whole point of classes is so that you don't rewrite code. If you needed to have 1000 shapes on the screen, it would be silly to write the drawing code out 1000 times, one for each shape. It's much easier to write a single blueprint that applies to all shapes.

That said, your code above has a number of "classes" at work.

The "Products" class is a class which stores information about a "Product". In your case, this info looks like it is the name of the product, it's price, how many are in stock etc.

The "Inventory" class is a class who's purpose it is to keep track of an array of products. There are a bunch of functions inside this class. I'll describe what they do below


The buildinventory() function appears to build up a list of products for use in the inventory. Notice how it calls the line:

product[0] = new Product(1, "socket set", 3, 19.99);
filling up the "product" array? Each call there created a new "Product" object which was based on the "Product" class. So each object has it's own name, inventory number, stock, price etc, but they all have the same set of functions to do things like, say, get the price of the product (the getPrice() function), or get the name of the product (the getName() function). It's the same function, as defined in the Product class, but when called on a different product object, it will return different results. This works well for an inventory program.

The "DisplayInventory" function loops through all of the products that the inventory class has created, and outputs information about each one to the screen. By the looks of it it is also keeping track of the total value of the inventory, in a variable called "totalPrice". Every time it loops through a product, it adds the product's price onto the total. The idea is once that while loop has finished, that variable will hold the final "total" of the inventory. After the loop has finished you can do a System.out.println() and use that variable to display the final total. This is probably part of what your project is asking you to do.

The "SortInventoryByName" function simply sorts the list of products that the Inventory class has created based on the name of the product. It does this using a build in Java class that you don't need to worry about.

You'll notice a function that is just called "Inventory()" near the top. This is called the "constructor". When you create a class, the class sometimes has to do a bit of initialization work before it is usable. This function is called as soon as the class is instantiated as an object somewhere in your code. So in this case, when you eventually create an inventory object, that function will be called and the inventory will be built (by calling buildInventory()), sorted (by calling sortInventoryByName()), and displayed (by calling displayInventory()).

------------

So it looks like you have this great Inventory class that does everything you need it to do. So now what? It still doesn't do anything! The reason is because it itself is just a class. It's a BLUEPRINT for an inventory. You need a Java program to USE the inventory class to actually do something useful.

You need to make a java program with a sub main() in it (just like every program you've ever made in this class). And inside there initialize a new inventory object, just like how the inventory object made product objects.
e.g.
Inventory myInventory = new Inventory();

Remember the Inventory() constructor! It will get called here, and the inventory class will go ahead and build an inventory, sort it, and display it on the screen.


So hopefully this will help you to understand your class a bit better. Again, real programmers don't just take classes and use them, they need to understand how they work. It's true that occasionally you can find something that does what you need it to do, and you don't need to "Reinvent" the wheel, but if you are unable to understand what it is doing, you can never modify it or tweak it, and if your problem isn't perfectly solved using the class, the class is useless to you. Programmers write their own modules and re-use them as they see fit, and occasionally they use someone else's code as a template. This is why you are learning how to modify an existing class.

Jan 26, 2008 | Computers & Internet

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