This article shows how to convert a Java project to a Maven project in IntelliJ IDEA. Table of contents 1. A Non-Maven Project 2. Add Framework Support – Maven 3. Update the default pom.xml 4. Reload the Maven project 5. References P.S Tested with IntelliJ IDEA 2021.1.1 1. A Non-Maven Project A non-Maven project (without […]
In IntelliJ IDEA, we can press on the keyboard SHIFT key twice to open a search everywhere windows to quickly find a class or a file. Other shortcuts, seldom use, prefer double clicks on SHIFT key to open the search windows. Ctrl+N – finds a class by name. Ctrl+Shift+N – finds a file or directory […]
In IntelliJ IDEA, we need to enable this auto-generate serialVersionUID option manually. P.S Tested with IntelliJ IDEA 2019.3.4, it should work the same in other versions. Intellij IDEA Settings File -> Settings -> Editor -> Inspections -> Java -> Serialization issues: Find serialization class without serialVersionUID and check it. Back to the editor, clicks on […]
In this article, we will show you how to attach the JDK source code into the IntelliJ IDEA? By default, IntelliJ IDEA doesn’t come with JDK source code, and the auto decompile feature is useful; however, we still need to jump in the source code to read the source code comments or docs to understand […]
This article shows you how to update the IntelliJ IDEA to use the new JDK 13. 1. On the menu, clicks File -> Project Structure 2. Platform Settings -> SDKs, add and point to the JDK 13 installed folder. 3. Project Settings -> Project, change both Project SDK and Project language level to JDK 13. […]
In IDEA, clicks on the method name, press CTRL + Q to show the method signature on a pop up. Alternatively, press CTRL + P to show the available parameters.
In IDEA, you can type sout and press Tab to generate System.out.println automatically. Tips : To show all shortcuts, press CTRL + J References Intellij IDEA – Code completion Intellij IDEA – default static void main shortcut
In IDEA, you can type psvm and press Tab to generate the public static void main(String[] args) automatically. To show all shortcuts, press CTRL + J References Intellij IDEA – Code completion Intellij IDEA – System.out.println shortcut
For example, how to find out this FileUploadBase class belongs to which JAR or dependency? //… import org.apache.tomcat.util.http.fileupload.FileUploadBase; @ExceptionHandler(FileUploadBase.FileSizeLimitExceededException.class) public String handleError3(Exception e, RedirectAttributes redirectAttributes) { redirectAttributes.addFlashAttribute("message", e.getCause().getMessage()); return "redirect:/uploadStatus"; } Solution In IntelliJ IDEA, double clicks on the class name and press CTRL + n (win/*nix) or CMD + n (mac) to prompt out […]
