When I create a java Maven project in eclipse, I meet a could not calculate build plan error. The detailed error message is displayed below. After some investigation, I finally find the method to solve this error.
When I install android SDK use android SDK manager, it throws an error exception in thread “main” java.lang.noclassdeffounderror: javax/xml/bind/annotation/xmlschema . It cost me a lot of time to investigate. Now I will tell you how to fix it in detail.
This article will tell you how to install/uninstall multiple java versions on mac os both use homebrew or manually. It also shows you how to set JAVA_HOME & PATH system environment variable to make your installed JDK the default JDK. We recommend you use homebrew because it provides a lot of easy-to-use tools.
How To Install / Uninstall Multiple Java Versions In Mac OS By Home Brew Or Manually Read More »
When you develop a java project using eclipse, you may find that the eclipse project runs so slowly, this can even stop your work, you can do nothing but wait for the eclipse project to build or download maven jar files to complete. Why is eclipse so slow when building a workspace? This article will
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Visual studio code is an open-source lightweight code editor provided by Microsoft. It can startup very quickly. It can support any coding language development and debug through its extension. There are so many extensions in the visual studio code marketplace. In single words, visual studio code is not a java IDE, but it can be
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We often need to format numbers, such as taking two decimal places for a number, show only the integer part of a number, etc. Java provides java.text.DecimalFormat class, which can help you to format numbers use your specified pattern as quickly as possible.
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When you need to invoke java command after install JDK successfully, it is better to setup below Java related system environment variable, they are JAVA_HOME, CLASSPATH, PATH. This article will tell you how to set them up in windows and Linux.
How To Set Java Environment Viriable JAVA_HOME, CLASSPATH, PATH Read More »
This article will tell you how to add the JUnit 5 java library into the eclipse project. It introduces two methods, one is to add the JUnit 5 java library as standalone jar files to the eclipse project, the other is how to add JUnit 5 dependency in pom.xml of the eclipse maven project.
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