Page 47 | Java Blog - Java News and Learning posts on CodeGym

Lucy Oleschuk Random
July 18, 2022 at 3:42 PM
How to Get Back to Learning after a Hiatus?Quite often, students take long breaks because of burnout, illnesses, family emergencies, or other reasons. Naturally, resuming studying after a hiatus can be tricky since the keys to success are regular coding practice and minimum learning gaps. A long break or studying...
7/18/22
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Volodymyr Portianko Serialization in Java
July 18, 2022 at 1:21 PM
Serialization and deserialization in Java Hi! In today's lesson, we'll talk about serialization and deserialization in Java. We'll start with a simple example. Imagine that you're a computer game developer. If you grew up in the 90s and remember the game consoles of that era, you probably know that they lacked something we take for granted today...
7/18/22
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Milan Vucic Java Classes
July 15, 2022 at 8:22 AM
Enum class in Java Hi! Imagine that you've been given the following task: create a class that implements the days of the week. At first glance, this seems rather straightforward. Everything seems to be fine, but there is one problem: you can pass any text to the constructor of the DayOfWeek class...
7/15/22
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Milan Vucic Java Collections
July 14, 2022 at 11:00 AM
HashMap: what kind of map is this? Hi! Previously, we've studied data structures where the elements are stored as themselves. In an array or an ArrayList/LinkedList, we store some number of elements. But what if our task changes a little? Imagine the following task: create a list of 100 people that stores each person's name and passport number ...
7/14/22
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John Selawsky Strings in Java
July 14, 2022 at 10:43 AM
Substring in Java This article is about substring () methods in Java language. Here you will find the explanation of how using these methods, find out how they work and get some beneficial examples. Substring in general is a contiguous sequence of characters inside the String. It could be a part of the String or the whole String as well...
7/14/22
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Vasyl Malik Java Collections
July 14, 2022 at 10:29 AM
Java LinkedList Hi! All the latest lessons have been devoted to ArrayList. This data structure is very convenient and useful. It can handle plenty of tasks. But Java has lots of other data structures. Why? Above all, because the range of tasks is enormous, and the most efficient data structures are different for different tasks ...
7/14/22
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Volodymyr Portianko Java Collections
July 14, 2022 at 8:58 AM
Java ArrayList Hi! In previous lessons, we did a deep dive into arrays and reviewed common examples of working with arrays. In general, arrays are super handy. And. as you've already noticed, you can do a lot with them :) But arrays do have a number of shortcomings ...
7/14/22
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CodeGym Random
July 13, 2022 at 12:49 PM
IT News Digest #23: Apple’s new feature adds “extreme” protection to devices, Twitter sues Elon Musk to force him to complete acquisition, Google has told employees that it’ll be “slowing down the pace of hiring”Last week in news: Canadian internet giant Rogers says it will give credits...
7/13/22
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Lucy Oleschuk Random
July 11, 2022 at 2:53 PM
The Most Popular Influencers in Java to Follow With more than 25 years of existence, Java is still at its peak and remains one of the most widely-used programming languages for app development. No wonder, it’s also one of the most popular languages in media. So, if you’re going to enhance your Java knowledge...
7/11/22
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Lucy Oleschuk Random
July 7, 2022 at 2:02 PM
What It's Like to Be an Android Developer Do you know that Android device users can currently choose from more than 2.5 million apps worldwide?
7/7/22
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CodeGym Random
July 7, 2022 at 6:36 AM
IT News Digest #22: British Army’s YouTube and Twitter accounts were hacked, Meta slashes hiring plans, Crypto hedge fund Three Arrows files for bankruptcy Last week in news: Russia is taking over Ukraine’s internet, Google will pay US app developers $90 million...
7/7/22
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CodeGym Success Stories
July 4, 2022 at 9:52 AM
I studied physics, worked in ecology, and became a developer. The story of a team leader at CodeGym We are launching a special series on our blog where we’ll talk about developers who studied at CodeGym and now work in our company, creating and improving the product.
7/4/22
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