table of Contents
Problem Description:
After writing code with IDEA and running, the following error is reported:
problem causes:
The reason for this problem is that the jdk in the project is inconsistent with the jdk version in the computer.
Solution:
1. Check the jdk version of the machine: command prompt input: java -version
2. Modify the jdk version of the Project project in IDEA
Step 1: Open the Project Structure project structure
Step 2: Modify the SDK version of Project
Step 3: Modify the Language Level of the Module module
Step 4: Modify the Module SDK in the Module module
3. Find Java Complier, modify the byte code version to make the version consistent with the SDK version
Summary: After the modification, compile and run again and there is no problem!