Page 16 | Java Blog - Java News and Learning posts on CodeGym

Milan Vucic Java Developer
15 July 2022 8:22
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...
15.07.2022
11064views
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Milan Vucic Java Developer
14 July 2022 11:00
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 ...
14.07.2022
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John Selawsky Java Developer
14 July 2022 10:43
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...
14.07.2022
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Vasyl Malik Java Developer
14 July 2022 10:29
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 ...
14.07.2022
16531views
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Volodymyr Portianko Java Developer
14 July 2022 8:58
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 ...
14.07.2022
25099views
29comments
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CodeGym Random
13 July 2022 12:49
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...
13.07.2022
410views
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Lucy Oleschuk Random
11 July 2022 14:53
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...
11.07.2022
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Lucy Oleschuk Random
7 July 2022 14:02
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?
07.07.2022
1034views
0comments
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CodeGym Random
7 July 2022 6:36
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...
07.07.2022
355views
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CodeGym Success Stories
4 July 2022 9:52
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.
04.07.2022
1449views
0comments
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Lucy Oleschuk Random
30 June 2022 8:07
Do I Really Need a Degree in Computer Science to Become a Good Programmer?The answer is not necessarily “Yes, so go and get your academic degree”. The truth is, it’s not essential to earn a degree in computer science if you want to work and succeed in the IT industry. Many believe getting a degree can help...
30.06.2022
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0comments
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Jesse Haniel Java Developer
30 June 2022 7:32
Java Math round() method All programming languages and computers in general can't work with infinite numbers. Rounding and trimming of numbers follows us literally everywhere, because the nature of modern computers is like that. Java language has a special class...
30.06.2022
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