Java: main class could not be found or loaded - what to do?

If you get the error in Java that the main class could not be loaded or found, you can often fix it yourself. You can find out how to do this in this practical tip.

Main class under Java could not be found or loaded

Use the following steps to troubleshoot the Java error. First, you should download and install the latest Java version.

• With some Java-based programs you have to specify the path to the main class.
• So make sure the path is correct and there is no typo.
• Note that capitalization is also important in Java and may be responsible for the error being reported.
• You should also make sure that the complete path is given in quotation marks.
• Java may also not have access to the file. Therefore, you should try to move it to another location and adjust the path accordingly.
• Also run the respective program as an administrator. To do this, right-click on the shortcut and select "Run as administrator".

Other solutions: Java main class could not be found or loaded

• This also applies to programming in Java. Make sure that the file details and extensions are correct.
• It often happens that a Java file accidentally has the file extension ".java.txt".
• Therefore delete the addition ".txt" and start the application again.

In our next practical tip you will learn the differences between Java and JavaScript.