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Java Tutorial 14 - DecimalFormat (Rounding, adding comas, etc.)

After watching this, you'll know know how to use this syntax.

User Comments

Mark II commented on 22 Mar 2015

It seems that the formatting can only happen in the final output. Doesn't seem it can be used in a Double Variable. So if I wanted to create a Double, to just hang on to this formatting, can't be done. Maybe you could help me, and show me how it can be stored in a variable. I actually got what I wanted, but I also would like to know how to store the value in a Variable, preferably a Double. For what it's worth, thanks. (+1 : 29). If you could help, with declaring a variable, while holding the formatted number, that would be very good. I'd be very grateful. I'm working with Android Studio, so learning Java is helping me allot. Not making any money, just doing small Calculating Apps for my personal use. On my Samsung Galaxy Note 4.

vinayak678 commented on 13 Mar 2012

one problem i input 100 and it prints out 100.0 i input 5 and it prints out 5.0 how do i disable that decimal from appearing? so i just want to print out 5 when i input 5 not 5.0

hellsing357 commented on 02 Nov 2011

Wow Great Video :D Just wondering Instead of these new DecimalFormat("$#,##0.000"); can I use these new DecimalFormat("$#,###.###");

hellsing357 commented on 05 Nov 2011

@MrGIZDICH ahhh.. Thank you for replying and hope to see more of your videos :D More power and GOd Bless

John Gizdich commented on 05 Nov 2011

@hellsing357 It's recommended that you just use the 0s.

BELIEVE THIS commented on 22 Jun 2011

That is fucking awesome !! thank you very much !!

JaQuan Robinson commented on 30 Sep 2012

thanks....now my java doesn't look confusing

TheSkepticalAtheist commented on 29 Sep 2013

Cool. Nice explanation. Thanks.

Gary Checknita commented on 23 Jan 2013

Thanks a bunch man!!

John Gizdich commented on 22 Jun 2011

@theend1245 np :)

Mahan Shiran commented on 16 Feb 2015

tnx man

Objective-C - Tutorial TextField

LESSON 8 CREATING A TIP CALCULATOR APP

How to make iphone apps –IOS development course LESSON 1- WHAT YOU NEED TO START MAKING APPS LESSON 2-GETTING THE TOOLS YOU NEED ...

[Swift] Урок 2 - Делаем простой конвертер для iOS

Заказать разработку приложений: //lwts.ru Мы представляем вам наш второй урок по программированию на Swift...

User Comments

Тимур Садердинов commented on 27 Apr 2015

Подскажите: Почему xcode ставит восклицательные знаки: @IBOutlet var mileField: UITextField! @IBOutlet var mileResult: UILabel! Если их убрать то пишет ошибку (фотка ниже): https://pp.vk.me/c621916/v621916202/260c4/Mm19PqOusnA.jpg

Артём Анашев commented on 06 May 2015

+Тимур Садердинов В Swift появился такой тип данных, как "Optional". Вы можете любой тип определить в optional, а это означает, что вы получаете или этот тип данных, или ничего.Чтобы было понятнее, вот пример:var number: Int?Это означает в переменной number может или быть значение "integer', или "nil".А ! (воскл. знак) означает, что мы получаем непосредственно значение этой переменной.На самом деле объяснить получилось не особо хорошо, но вы можете почитать об этот тут: https://developer.apple.com/library/ios/documentation/Swift/Conceptual/Swift_Programming_Language/OptionalChaining.html

Алекс Волковский commented on 26 Mar 2015

Помогите пожалуйста, написал всё как в видео + учел комментарии ниже, но приложение всё равно не запускается. Ошибок в приложении нет. Скрин: https://drive.google.com/file/d/0B84H9vSTBi8oWlFwM25scnlCSTA/view?usp=sharing

SaNCHeG&LiSTiK channel commented on 11 Apr 2015

+Алекс Волковский Я предлагаю свой вариант, напишите когда зайдете я обьясню что к чему

Nikola Cvetkovic commented on 12 Dec 2014

здравствуйте уроки правда классные )) , вы можете выставить как то эты icons тут или отправить мне на mail почту пожалуйста , а то я на вашем сайте не могу найти их

LWTS Technologies commented on 12 Dec 2014

Спасибо, что смотрите! Все иконки вы можете скачать бесплатно на этом сайте //icons8.com

iOS: UIAlertController as a Replacement for Single Column UIPickerViews displayed in UIActionSheets

This video accompanies a blog post I wrote on the same topic. The blog post can be found at ...

Swift 5 - Working with Date and Time on iPhone - Make iPhone Apps

Swift 5 - Working with Date and Time on iPhone - Make iPhone Apps ...

User Comments

LongboardingTaco commented on 08 Jul 2015

+Paul Solt I typed in exactly what you did (except changed NSDate.date() to NSDate() based on comments below) but still receives three errors on the variables for the calendar and birth date. The first one states that the "'NSGregorianCalendar' was deprecated in iOS versio..." then gets cut off. The second states, "Value of optional type 'NSCalendar?' not unwrapped; did you mean to use '!' or '?'?". The last one states, "'date()' is unavailable: use object construction 'NSDate()". ANY help would be much appreciated. Thanks

JayHuan Ryu commented on 30 Jul 2015

+LongboardingTaco I had same error while following this video and this is how I did and got through.var calendar = NSCalendar(identifier : NSCalendarIdentifierGregorian)var birthDate = calendar?.dateFromComponents(dateComponents)var currentDate = NSDate()I think it will help you get through.

Paul Solt commented on 23 Jul 2015

+LongboardingTaco You need to massage the code a bit, Apple changed it a lot since I posted this video.The API's changed a bit, so you have to use the ? for NSCalendar because it's optional, and that NSGregorian should tell you what to change it to, do a Option/Alt click on it for the rest of the message. It should now be something like: NSCalendarIdentifierGregorian

Vinay Kamisetty commented on 13 Jun 2015

Same problem here xcode 6.3 is not taking var birthDate = calendar.dateFromComponents(datecomponents) // NSDate

Vinay Kamisetty commented on 23 Jul 2015

thanks paul

Paul Solt commented on 23 Jul 2015

+Vinay Kamisetty the code changed in Swift 1.2+I have a new version I may post soon.

Noor Sultan commented on 22 May 2015

var birthDate = calendar.dateFromComponents(datecomponents) // NSDate SAME PROBLEM ANYONE HELP PLEASE THANKS FOR THIS TUTORIAL

JayHuan Ryu commented on 30 Jul 2015

+Noor Sultan put ? after calendar like calendar?.dateFromComponents(dateComponents)//

Mark Ziegler commented on 27 Apr 2015

Hey Paul I just started coding in version 6.3.1 and NSDate.date doesn't work for me. I seems like .date isn't there anymore. Can you help me out? Thanks Mark +Paul Solt

Paul Solt commented on 23 Jul 2015

+Mark Ziegler API changed ... NSDate() works.

How to add a decimal point in Xcode to your keypad Tutorial

This is a short tutorial on how to add a decimal point onto your generic keypad in Xcode.

User Comments

xcode4beginners commented on 17 Jan 2012

I've made an app called GratuiTip with a custom keypad. It's in the app store. If you have any questions from the app let me know and I'll try to make a video tutorial how to make it.

Steve Gong commented on 06 Sep 2015

To do this in Swift 2, use this: textField.keyboardType = UIKeyboardType.DecimalPad (note additional period between UIKeyboardType and DecimalPad)

S.2018 commented on 04 May 2012

(R[-7]C*(R[-6]C+2*R[-4]C)/2)/(R[-5]C*R[-3]C-0.6*R[-7]C) this excel formular how can you change it to work in xcode

jibjibe commented on 24 Dec 2011

Great video, thanks. Do you know if there's a way to have the keypad with a decimal point and a return button?

xcode4beginners commented on 17 Jan 2012

For a decimal and a return button you pretty much have to create your custom keypad

mechin sakamoto commented on 11 Oct 2012

thankห a lot it help me for project ^^^

Vinny commented on 05 Mar 2015

how to do it in swift?

sukubasukuba commented on 03 Mar 2012

Thanks!

NumberFormatter

Author- A.Sangeetha-OpenSourceDeveloper Organization- Chipkidz Created on- 19-06-09.

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