How-to articles, tricks, and solutions about INTELLIJ-IDEA

To add external JAR files to an IntelliJ IDEA project, you can follow these steps:

If you receive the error "Could not find or load main class" in IntelliJ IDEA, it means that the Java Virtual Machine (JVM) cannot find the class with the main method that you are trying to run.

This error message usually indicates that you are trying to compile your Java code with a version of the javac compiler that is not compatible with the version of the Java language that your code is written in.

To add a directory to the classpath in an application run profile in IntelliJ IDEA, follow these steps:

To build a JAR (Java Archive) file from IntelliJ IDEA, you need to follow these steps:

To import Maven dependencies in IntelliJ IDEA, you can follow these steps:

If IntelliJ is saying "No beans of type 'X' found for autowiring" for a repository that you are trying to autowire, it means that the Spring application context does not contain a bean of the specified type.

There are a few possible reasons why IntelliJ might show a "Cannot resolve symbol" error while still being able to compile your code.

There are several possible reasons why Maven plugins might not be found in IntelliJ: