In the previous article, I showed you that “” + i is the fastest way to convert an int into a String in Java. All the way from Java 7 to Java 14. Today you will learn what to consider in the opposite direction, i.e., when parsing a String to an int. You can find …
How to convert String to int in Java – peculiarities and pitfalls Read More »
In this article, I show you how to convert an int into a String in Java the fastest way. The answer is probably surprising for some. I present four variants and measure and compare their speed using JMH microbenchmarks. I analyze the measurement results looking at the Java source code and also the generated bytecode. …
How to convert int to String in Java – the fastest way Read More »
In part one of this three-part article series, I showed you how to install and configure Jenkins – and how to create build and release jobs for Maven projects via the Jenkins user interface. In part two, we programmatically created the same jobs with the Jenkins Job DSL and made the job list cleaner using …
In the first part of this three-part article series, I showed you how to install and configure Jenkins as Docker containers using Ansible – and how to create build and release jobs for Maven projects using Jenkins’ user interface. In this second part, I show you how to create the same jobs with the Jenkins …
Jenkins Tutorial: Creating jobs with the Jenkins Job DSL Read More »
In the previous article about the advantages and disadvantages of monorepos, I showed how I built a module of a git-monorepos with Jenkins – once via the graphical user interface of Jenkins – and once programmatically via the Jenkins Job DSL. Some readers asked me how to transfer this DSL code into a Jenkins job. …
Jenkins Tutorial: Installation, Build and Release Jobs Read More »
Originally I wanted to publish the third part of my article series about Static Code Analysis today. However, this part will be more extensive than the first two parts so that I couldn’t finish it in two weeks. Today I would like to share my experience with Git monorepos with you. There are many articles …
Many years ago, when I thought – inexperienced and naive as I was – that I was a much better programmer than I was back then, someone asked me: “Sven, how many lines of code has your longest method?” Neither did I know the answer to the question, nor did I understand its background. Today …
How to write better code with Static Code Analyzers Read More »
Today is my last working day at AndroidPIT. After building AndroidPIT and developing it for ten years, a few months ago, I decided to start my own business as a freelance programmer to gain new experiences. After programming alone for a few months back in 2009, we started hiring additional programmers shortly after that. Working …
How to write quality code and enforce Java code standards Read More »
As a Java programmer, I work on various projects based on different Java versions, especially since the transition to the six-month release cycle. From time to time, I also have a piece of Java code that I want to try out on different Java versions – on the command line without having to click through …
In this article, I’ve compiled a list of the most relevant books for programmers. These books are on the topics programming in general, Java programming, personality development, and career development. I have read all the recommended books. The list is not complete; there are a lot more great books I have on my “to read” …