Page 28 | Java Blog - Java News and Learning posts on CodeGym

Artem Divertitto Java Developer
2 November 2021 10:44
Java Capitalize First Letter of a String How to capitalize strings in Java? Java provides a method called toUpperCase() that takes a String as a parameter. It returns a String in an “ALL CAPS” format of the String contents...
02.11.2021
10519views
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CodeGym Random
1 November 2021 14:19
Self-Made Coding Pro. How to Turn “I Will Learn How to Code Online” Idea Into Success? These days almost no one is arguing with the fact that you can totally learn programming from scratch online and get a coding job. And even with the fact that learning online is one of the most effective methods...
01.11.2021
2532views
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Konstantin Random
29 October 2021 11:42
Exploring questions and answers from a job interview for a Java developer position. Part 12 Hi! Knowledge is power. The more knowledge you have in your first interview, the more confident you will feel. If you bring in a big brain full of knowledge, your interviewer will find it difficult...
29.10.2021
1557views
0comments
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Oleksandr Miadelets Java Developer
28 October 2021 11:00
Java Object getClass() Method What is Java Object getClass() Method? Java uses a method called getClass() provided by the class object to get the class of any object used. The method does not take any parameter and is called upon the object whose class needs to be fetched....
28.10.2021
1383views
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Pavlo Plynko Java Developer
27 October 2021 12:43
How to convert int to double in Java int is a primitive Java type for integer numbers (such as -25, 0, 1828182845). This type uses 32 bits to store a variable value. The range of int numbers is from -231 to 231 - 1 or, which is the same, from -2147483648 to 2147483647. Double type in Java represents...
27.10.2021
3257views
0comments
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Pavlo Plynko Java Developer
27 October 2021 7:18
ArrayList removeAll() method in Java The ArrayList removeAll() method in Java doesn’t remove all elements from proper ArrayList, as its name might suggest. If you need this operation, use the ArrayList clear() method. Unlike clear(), the removeAll() method removes all items from a given list that...
27.10.2021
2994views
0comments
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Konstantin Random
26 October 2021 12:18
Meet your deadlines: methods that developers use to estimate effort Hello, everyone! There is a colossal amount of theory that you need to know to get started in software development. Some specialists (for example, backend developers that use Java and other languages) know more of it...
26.10.2021
1947views
0comments
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Konstantin Random
22 October 2021 11:14
Exploring questions and answers from a job interview for a Java developer position. Part 11 Hi! Even the fastest ship will simply drift over the waves if it doesn't have a course. If you're reading this article right now, you definitely have a goal. The main thing is not to go off course and instead go all in to become a Java developer...
22.10.2021
1586views
0comments
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Alex Vypirailenko Java Developer
20 October 2021 13:50
How to Replace an Element in Java ArrayList Simple arrays in Java do not offer any method to update or replace an element. Nevertheless in ArrayList replace is pretty convenient to implement using the set method...
20.10.2021
6474views
0comments
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CodeGym Random
19 October 2021 8:34
Why should I study all my life? What is lifelong learning, and why it has become essential A World Economic Forum report says that by 2025, 44% of the skills required for employees to perform their jobs will change due to rapid technological advances. That's a hell of a lot of outdated skills that will need to be updated...
19.10.2021
1995views
0comments
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Konstantin Random
15 October 2021 10:40
Exploring questions and answers from a job interview for a Java developer position. Part 10 Hi! How many hours does it take to become a master at something? I have often heard something like: "To become a master at anything, you need to spend...
15.10.2021
1515views
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Artem Divertitto Java Developer
13 October 2021 10:17
Get the Current Working Directory in Java Getting the current working directory in Java means getting the path of the directory (folder) from where your program has launched. Normally, that means to get the path from the root folder to the folder where the program file has been placed. This is a common day to day problem...
13.10.2021
2340views
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