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Posts tagged #JavaProgrammingTutorials

@javinpaul.bsky.social
6 months ago
2 Example to Merge or Join Multiple List in Java - Tutorial Sometimes, we need to merge multiple lists into one before performing any operation, say Iteration or transformation. It's quite common to merge two lists, or combine them into a bigger list and there are multiple ways to do it. In this article, we will take a look at two simple way to join two lists in Java, you can further extend that idea to join any number of List or it's implementation e.g. ArrayList or LinkedList in Java. One way to merge multiple lists is by using addAll() method of java.util.Collection class, which allows you to add the content of one List into another List. By using the addAll() method you can add contents from as many List as you want, it's the best way to combine multiple List. --- Java, Unix, Tibco RV and FIX Protocol Tutorial

#corejava #javacollectiontutorial #JavaProgrammingTutorials

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@javinpaul.bsky.social
10 months ago
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How to Format and Display Number to Currency in Java - Example Tutorial Displaying financial amounts in the respective currency is a common requirement in Java-based E-commerce applications. For example, if you are selling products on-line globally, you will show price of products in their local currency rather than USD or some other currency. Storing price in every currency is not a good option because of maintenance, and more realistically fluctuation in exchange rates. That's why many of these applications prefer stores price of books, electronic goods, or whatever product they are selling in USD, and the responsibility of converting that price to local currency and displaying is left to client-side code. If your client is a Java-based client e.g. Swing GUI, Java FX client, or a JSP web page, you can use java.text.NumberFormat class to format currency in Java. --- Java, Unix, Tibco RV and FIX Protocol Tutorial

#corejava #JavaProgrammingTutorials #programming

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