Page 4 | Java Blog - Java News and Learning posts on CodeGym

Aditi Nawghare Java Expressions
31 March 2025 11:20
Java Expressions Expressions in Java are essential elements of the programming language. Simply put, an expression in Java is a combination of values, variables, operators, and method invocations that are evaluated to produce a single value. In this article, we will take a look at what Java...
31.03.2025
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Milan Vucic Strings in Java
31 March 2025 8:52
String Concatenation in Java Java String concatenation is an operation to join two or more strings and return a new one. Also, the concatenation operation can be used to cast types to strings. You can concatenate strings in Java in two different ways...
31.03.2025
3803views
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Aditi Nawghare Methods in Java
30 March 2025 15:45
Java main() Method The java main() method is the initial point of Java Virtual Machine (JVM). It is used to initiate the execution of a Java program. The main() method would probably be the first method you’ll learn when you start Java programming as it’s the essential...
30.03.2025
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Milan Vucic Random
6 March 2025 11:53
Transient modifier in Java Hello! In today's article, we will look at the transient modifier in Java. Let's talk about why this modifier is needed and how to use it correctly
06.03.2025
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Jesse Haniel Random
4 March 2025 17:44
transient keyword in Java Hey, you’re poking around Java, yeah, and now you’ve tripped over this transient keyword. What’s it doing hanging out in your code? No panic I’ve been slinging Java and herding students through this stuff forever, and I’m here to spill it
04.03.2025
154views
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Vasyl Malik Random
4 March 2025 17:09
Marker Interface in Java Hey, you’re digging into Java, right, and now you’ve stumbled over this “marker interface” thing. Sounds cryptic, huh? No worries I’ve been slinging code and yakking with students about this for ages, and it’s not some secret club handshake
04.03.2025
109views
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Jesse Haniel Random
4 March 2025 12:31
Java Class Attributes Hey there, you’re messing around with Java, right, and now you’ve bumped into this “attributes” thing. What’s it all about? Chill I’ve been coding and dragging students through this stuff forever, and attributes are just the spice that makes your classes more than boring shells
04.03.2025
130views
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Alex Vypirailenko Random
3 March 2025 17:59
Array vs ArrayList in Java Alright, you’re knee deep in Java, staring at some data you need to stash maybe a list of snacks or usernames and you’re wondering: “Do I go with an array or an ArrayList?” Don’t sweat it! I’ve been coding and dragging students through this mess for years, and it’s not as wild as it looks
03.03.2025
96views
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Vasyl Malik Random
3 March 2025 17:26
Global variables in Java: when to use them?Hello! In this article, we will talk about global variables, their declaration and examples of appropriate use. A small note: we will not consider global class variables, that is, those that can be accessed within any one class. We will tal
03.03.2025
102views
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Pavlo Plynko Random
3 March 2025 17:11
Java Synchronized Keyword Hey, you’re digging into Java, huh, and now you’ve stumbled across this synchronized thing. What’s it all about? Don’t freak I’ve been wrestling code and herding students through this for ages, and I’m here to spill the beans
03.03.2025
92views
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Volodymyr Portianko Random
3 March 2025 16:28
Java Multithreading Interview Questions and Answers Alright, you’re gearing up for a Java interview, and someone’s gonna hit you with multithreading questions yep, that wild corner of coding where things run all at once. Don’t panic! I’ve been slinging code and coaching folks through this for years
03.03.2025
77views
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Andrey Gorkovenko Random
3 March 2025 16:10
How to Shuffle an Array in Java Hey, you’re poking around in Java, right, and now you’ve got this array you wanna shake up maybe a list of songs, names, or whatever. How do you jumble it so it’s not all predictable? I’ve been coding and wrangling students through this stuff forever, and shuffling an array in Java
03.03.2025
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