Error: Could not find or load main class HelloWorld.class Caused by: java.lang.ClassNotFoundException: code example
Example 1: > Task :run FAILED Error: Could not find or load main class Caused by: java.lang.ClassNotFoundException:
Check your build.gradle file and update the application block:
application {
// Define the main class for the application.
// insert the entire name of the class
mainClassName = 'packageName.MainClass'
}
Example 2: eclipse Error: Could not find or load main class main java.lang.ClassNotFoundException
// Run configurations -> Run -> Run configurations
// In the Classpath tab select "Advanced"
// Add where Eclipse usually put the *.class for the projects, which is (usually) "bin".