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CodeGym
Random
8 March 2022 15:36
IT News Digest #5: What is known about JDK 18 and JDK 19, how Russia's invasion of Ukraine threatens the IT industry, Samsung confirms hackers stole Galaxy source code
Last week in news: new tools for Java code compilation & visualization, women stopped leaving IT thanks to remote working, cyber attacks on Ukraine...
John Selawsky
Java Numbers
7 March 2022 12:34
Java floor() method
A floor function which is also known as the greatest integer function in maths takes a real number “x” as an input. It returns the greatest integer that is less than or equal to input number x. It is normally denoted as floor(x) or ⌊x⌋. It is used...
CodeGym
Java Developer
7 March 2022 10:54
Reading Code, Debugging, Learning New Tech. Most Annoying Parts of Programmer’s Work and How to Fix Them
Here at CodeGym, we mostly talk about the good sides of being a programmer and working in software development. And rightfully so, as programming can be a great...
John Selawsky
Java Collections
7 March 2022 8:49
HashMap getOrDefault method in Java
What is the getOrDefault method for HashMaps in Java? “The getOrDefault method returns the value mapped to the specified key in a HashMap. If that key is not present then a default value is returned.”...
Artem Divertitto
Java Math
7 March 2022 8:40
Java Math abs() method
What is the absolute value function in Mathematics? In mathematics, the absolute value of a number is equal to the positive value of the number passed.The absolute value function ignores the sign and returns the value without it...
Volodymyr Portianko
Java Collections
4 March 2022 11:57
How to use entrySet() method in Java
What is the entrySet() method in Java? The “HashMap” class provides the java.util.HashMap.entrySet() method in Java. It is used to create and then return a ‘set’...
Lucy Oleschuk
Random
23 February 2022 9:26
Why Do People Love Coding? Explaining The Passion for Profession
Programming exploded in popularity during the last decade. And a lot of that hype appeared from the prospect of landing a high-paying job. But, in reality, there are so many other...
CodeGym
Random
17 February 2022 10:07
Interview Anxiety: How to Stop Being Afraid and Start Going to Interviews
Imagine this: you've graduated from CodeGym, and even written a program for your friends, but you haven't worked on a commercial project yet. Job openings in the IT market are looking for...
CodeGym
Random
15 February 2022 8:13
IT News Digest #4: Amazon doubles the salary cap for tech employers, Java developers get new tools, cybercriminals target Linux
Last week in news: new tools for Java code compilation & visualization, increasing earnings & salaries in Big Tech, Tesla might become a rival for Google and...
CodeGym
Learning Java
10 February 2022 11:03
Got Stuck? Most Difficult Parts of Learning Java and How to Overcome Them
As you know, we recommend coding beginners to start learning programming languages with Java, and CodeGym has everything to make the process of learning Java digestible...
Alex Vypirailenko
Java Arrays
10 February 2022 7:50
Java System.arraycopy() Method
What is Java System.arraycopy() Method? The java.lang.System.arraycopy() method copies a source array, at a specific beginning position, to a destination at a given index...
Artem Divertitto
Java Numbers
9 February 2022 14:46
Integer.MAX_VALUE in Java with Examples
What is Integer.MAX_VALUE in Java? The Integer.MAX_VALUE in Java is a constant that represents the maximum positive integer value...
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