Page 18 | Java Blog - Java News and Learning posts on CodeGym

Milan Vucic Statements in Java
January 8, 2025 at 9:42 AM
Java Switch Statement Imagine that you're a knight stopped at a fork in the road. If you go left, you will lose your horse. If you go right, you will gain knowledge. How would we represent this situation in code? You probably already know that we use constructs like if-then and if-then-else to make these decisions...
1/8/25
7012views
2comments
27
Jesse Haniel Java Collections
January 7, 2025 at 2:02 PM
Linked List Data Structure in Java Different data structures are created for different purposes. You may know about ArrayList (if still not, we recommend you to read about it first). In this article, we are going to learn about LinkedList and to realize what this collection is good for. If you look into LinkedList Java 8 (or later version of the language)...
1/7/25
10495views
1comment
29
Oleksandr Miadelets Keywords in Java
January 7, 2025 at 8:02 AM
Java Final Keyword Java has this keyword — final. It can be applied to classes, methods, variables (including method parameters). For a class, the final keyword means that the class cannot have subclasses, i.e. inheritance is forbidden... This is useful when creating immutable (unchangeable) objects. For example...
1/7/25
4724views
3comments
35
Milan Vucic Java Collections
January 6, 2025 at 1:15 PM
Java Stack Stack in Java usually means the class from Collection Framework that implements the List interface. It works on the principle of the Stack data structure, which is used to organize one of the types of memory. Also it could be the part of memory to keep data, In this article we will...
1/6/25
8715views
0comments
7
Oleksandr Miadelets Java Classes
January 6, 2025 at 11:59 AM
Java Timer Class The Java Timer Class is a powerful tool that allows you to schedule tasks to be executed at specified intervals. Whether you need to run a task once or repeatedly, the Timer Class provides a convenient way to automate...
1/6/25
1870views
0comments
4
Jesse Haniel Java Classes
January 5, 2025 at 11:15 AM
Java Constructors Hi! Today we'll consider a very important topic that concerns our objects. Without exaggeration, we can say you'll use this topic in real life every day! We're talk about constructors. This may be the first time you're hearing this term, but you've actually already used constructors. You just didn't realize it ...
1/5/25
35874views
86comments
477
Vasyl Malik Core Java
January 5, 2025 at 11:03 AM
Get Environment variables in Java Every computer programming language contains variables and constants which allocate unique memory locations, containing information to be used by the programs. Constants values are not changeable but the variable’s value can be changed...
1/5/25
5505views
0comments
6
Volodymyr Portianko Java IO & NIO
January 4, 2025 at 2:31 PM
Java PrintWriter Class What is the PrintWriter Class in Java? “PrintWriter is a class used to write any form of data e.g. int, float, double, String or Object in the form of text either on the console or in a file in Java.” For example, you may use the PrintWriter object to log data in a file or print it on the console...
1/4/25
17535views
0comments
4
Alex Vypirailenko Java Numbers
January 4, 2025 at 12:07 PM
Integer Division Java Division in Java takes place normally like regular division in mathematics or real life. However, it just discards the remainder. For example, if you divide 9 by 2 the quotient is 4 and the remainder is 1...
1/4/25
35221views
0comments
2
Jesse Haniel Java Algorithms
January 3, 2025 at 3:18 PM
QuickSort in Java There's a whole smorgasbord of sorting algorithms in the programming world, each flaunting its uniqueness in efficiency (think execution time and memory usage) and simplicity of...
1/3/25
1553views
0comments
2
Artem Divertitto Java Math
January 3, 2025 at 8:40 AM
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...
1/3/25
6887views
1comment
11
Milan Vucic Java Collections
January 2, 2025 at 2:40 PM
How to iterate a Map in Java In this post, we will learn different ways to iterate a Map in Java. Some of its common ways and how to use those with the help of examples. Before getting started, we assume you understand interfaces and maps in Java. However, here’s a quick recap for you...
1/2/25
4305views
0comments
5

1
...
16
17
18
19
20
...
83