Page 22 | Java Blog - Java News and Learning posts on CodeGym

John Selawsky Java Developer
23 March 2022 12:01
How to update the value of an existing key in HashMap You know that there is always a key and a value in HashMap or any other Map. Key is called a key for a reason, because you get the access to values by the key. The key is unique...
23.03.2022
4941views
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CodeGym Random
22 March 2022 15:16
IT News Digest #7: Java takes an unexpected leap forwards, Okta hack puts thousands of businesses on high alert, Oracle Cloud Infrastructure Launches New Services Last week in news: new features and updates for Spring Framework and OpenJDK, what's happening with Java in 2022...
22.03.2022
841views
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John Selawsky Java Developer
18 March 2022 15:16
Java.lang.Integer Class Java data types can be conditionally divided into two blocks: primitive and reference (classes). There are several primitive data types in Java, such as integers (byte, short, int, long), floating point numbers (float, double), logical data...
18.03.2022
1431views
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CodeGym Java Developer
17 March 2022 10:32
Documenting Your Code. Best Tools For Technical Writing and Software Documentation Writing software documentation plays an integral role in the work of a programmer. As they say, if it isn’t documented, then it doesn’t exist, and in the most cases, documenting your code in a proper manner is as important...
17.03.2022
3748views
0comments
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CodeGym Random
15 March 2022 16:17
IT News Digest #6: Google buys cybersecurity company Mandiant for $5.4 billion, why tech's Great Resignation may have only just begun, what's going on in the Java world Last week in news: Google has open-sourced the Java Source code for Google App Engine Standard, why developers have become...
15.03.2022
610views
0comments
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Aditi Nawghare Java Developer
13 March 2022 14:25
Method Overriding in Java Hi! You're already using Java methods and know a lot about them. You've probably faced the situation where one class has many methods with the same name but different parameters. You'll recall that in those cases we used method overloading. Today we're considering another situation ...
13.03.2022
10254views
15comments
139
Lucy Oleschuk Random
11 March 2022 10:10
Top 11 Auxilary Tools for Software Development Teams to Boost Productivity Everyone wants to get more done in less time. And when it comes to software development, not only frameworks like Spring or various testing tools can boost your productivity. From automation to reducing friction, many other...
11.03.2022
2126views
2comments
1
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...
08.03.2022
1486views
0comments
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John Selawsky Java Developer
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...
07.03.2022
3278views
0comments
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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...
07.03.2022
1946views
0comments
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John Selawsky Java Developer
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.”...
07.03.2022
5025views
0comments
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Artem Divertitto Java Developer
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...
07.03.2022
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