Page 45 | Java Blog - Java News and Learning posts on CodeGym

Pavlo Plynko CodeGym
14 September 2020 10:51
Reverse an Array in Java Arrays are used frequently in coding and are a way of storing multiple values of the same type in one variable. There may be many reasons why a coder may want to reverse an array. It may be necessary to reverse an array, for example, when the logic of a problem needs to start with the last element.
14.09.2020
28003views
1comment
9
CodeGym Random
14 September 2020 9:11
From Zero to Coding Hero. What You’ll Be Capable of Upon Completing CodeGym’s Course At CodeGym, we always say our course is the best possible way to learn Java online from scratch. Excuse us for bragging, it’s just the way we feel, and our students' results support this notion in quite an indisputable way...
14.09.2020
8265views
3comments
6
Artem Divertitto Java Developer
11 September 2020 11:54
Using the Math.pow() Method in Java The Java language is equipped with a comprehensive library for mathematical functions and operations. It is called the "Math" class, and it resides in the java.lang package. The Math library includes methods for fundamental numerical operations, trigonometry, finding min-max...
11.09.2020
13170views
0comments
3
Oleksandr Miadelets Java Developer
9 September 2020 10:45
Min Heap in Java with Examples Before we get started, it is assumed that you know about a Binary Tree (in a binary tree, each node stores a key greater than all the keys in its left subtree and less than all the keys in its right subtree). Whereas, a Binary Heap is a complete binary tree which satisfies either the min-heap or max-heap ordering property...
09.09.2020
47026views
3comments
4
Volodymyr Portianko Java Developer
9 September 2020 8:24
Arrays.asList() Method in Java A lot of beginners jumble up the concept of Arrays.asList() method with the data structure ArrayList. Even though they might look and sound similar, these two are totally different when it comes to implementation. In this post, we’ll cover the basic use of...
09.09.2020
11875views
0comments
4
CodeGym Random
9 September 2020 6:17
What It’s Like to Be a Senior Developer. A Short Guide to the Role Traditionally in the tech industry developers are divided into four gradations based on their qualification levels: Junior, Middle, Senior, and Team Lead. In two previous articles we have already covered all the basics of what it’s like to be a Junior and Mid-Level Developer. Now it’s time to move to...
09.09.2020
2174views
1comment
0
Pavlo Plynko Random
8 September 2020 6:59
Convert List to Array in Java List and arrays are two ways to store data in Java that you will use quite often. In projects where you need to store data without any sort of file handling, list and arrays let you store data throughout the execution of your program. We’ll be using Class ArrayList...
08.09.2020
47621views
2comments
7
Pavlo Plynko Java Developer
3 September 2020 6:33
Math.sqrt Method - Square Root in Java Although calculating a square root in Java isn’t such a common question for software development interviews, sometimes, an interview might ask you something like: “You have an integer x. Create a Java program that would calculate its square root”...
03.09.2020
5718views
0comments
4
Oleksandr Miadelets Random
3 September 2020 6:19
NaN in Java In Java, “NaN” stands for “Not a Number”. It is not a type of exception, rather surprisingly, the datatype of NaN is also a number. But often when novice programmers get it unintentionally, they further use it in their calculations. Hence, incompatible data types in Java...
03.09.2020
11388views
0comments
2
Jesse Haniel Random
2 September 2020 10:57
Delete a file in Java If you want to get rid of useless files, delete them using Java methods. Removing files and directories in Java is a straightforward process. There is a range of methods for handling the task - developers can choose the one they are most comfortable with. Here’s a short guide to get rid of unneeded Java files...
02.09.2020
2157views
0comments
2
CodeGym Random
2 September 2020 6:49
Best US Tech Companies to Work For: Salaries, Hiring process, Employee Feedback Most of us humans are naturally willing to be part of something big and important. Programmers are no exception. Many coders would like to work on a project that matters and for a company that impacts the world...
02.09.2020
2870views
1comment
7
Oleksandr Miadelets Random
28 August 2020 9:46
Insertion Sort in Java Sorting arrays is one of the most common operations a Java beginner should know how to do. Although arrays aren't always the most convenient way to arrange data and this applies mostly to small numbers, the concept behind array sorting has tons of applications...
28.08.2020
12880views
0comments
7

1
...
43
44
45
46
47
...
63