Beginners Java, Java programming, using vscode all Java appeared the same problem with this program, and a great god answers,

CodePudding user response:

How the classpath environment variable set?
What's the matter with your compiler running environment for the whole project is configured?

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reference 1st floor qybao response:

environment variables set classpath?
What's the matter with your compiler running environment for the whole project is configured?

CodePudding user response:

How vscode configuration?
Check vscode Perferences/Setting/Extensions/Java and Java Debuger configuration, such as some vscode configuration is relatively complicated, your Google baidu once the relevant configuration