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19 August 2021 9:57
Java Convert Char to Int With Examples
Pretty often symbolic information that users enter from the keyboard needs to be converted to numbers or a programmer should get numbers from it. There are some methods in Java to do it...
18 August 2021 6:21
NumberFormatException in Java
What is NumberFormatException in Java? “The NumberFormatException is thrown at the conversion of a non-numeric String to a number.” Simply put, if a String does not hold only numeric data and you try to convert...
Java IO & NIO
17 August 2021 8:09
Scanner nextInt() method in Java
What is the nextInt() Method in Java? The nextInt() method scans the next token of the input data as an “int”. As the name of the class Scanner elaborates, nextInt() method of this class is used to scan or...
17 August 2021 7:50
3 Tools to Conquer Java Code. How CodeGym Allows You to Learn Anytime, Anywhere
There’s a number of crucial elements for success in mastering programming skills. Practising all the time is one, that is why CodeGym’s Java course is 80% practice and 20% theory. Consistency is another factor...
Strings in Java
16 August 2021 11:57
Reverse a String in Java
What is a Reverse String? “Start reading a String beginning from its last character all the way up to the first character. Bingo! that was your reversed string." Here’s a demonstration of how it will look like...
13 August 2021 8:43
Java Math.random() Method
What is Math.random() Method in Java? The java.lang.Math.random() method returns a pseudorandom, “double” type number ranging from 0.0 to 1.0. Hence, the random number generated with the built-in method by Java always lies between 0 and 1...
13 August 2021 8:25
Exploring questions and answers from a job interview for a Java developer position. Part 2
Hello again, everyone! We continue to search for answers to questions for junior, mid-level and senior Java developers. The questions are super interesting. I personally like analyzing...
Java IO & NIO
12 August 2021 13:31
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...
Strings in Java
11 August 2021 9:26
String toLowerCase() Method in Java
What is the toLowerCase() Method? Java facilitates with a built-in method to convert the String contents to lower case using the toLowerCase() method...
10 August 2021 8:25
Feel Like a Fraud? How to Get Over Imposter Syndrome as a Software Developer
Have you heard about imposter syndrome? Even if you haven’t, it is likely that you experienced it personally at some point in your life without being able to classify this feeling. Suffering from imposter syndrome at the workplace is quite...
6 August 2021 8:43
Exploring questions and answers from a job interview for a Java developer position. Part 1
Hi! CodeGym has brought together a diverse group of people. Some of us want nothing more than to become Java developers, and we're investing a lot of time and effort into development. Others are already Java developers...
27 July 2021 7:40
8 Mistakes That Can Ruin a Software Developer’s Career
At CodeGym, we talk a lot about software developers' careers and how they can be long, fruitful, and full of opportunities if you invest enough time and effort into learning programming skills and getting practical experience. And it is generally true, as most developers are satisfied with their jobs and careers. We have...
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