Preview features enabled at an invalid source release level 13, preview can be enabled only at source level 14Java(2098258)

Question

VS Code is showing anomalous behaviour from into my pc from the last couple of days. I am not able to run a simple java code. At the beginning it\'s it\'s giving an error:<

Answer 1

Visual Studio Code works with all major Java versions from various vendors up to 13.

Source: https://code.visualstudio.com/docs/languages/java (OP date)

Answer 2

I had the same issue and what I did: I simply cleaned the Java language server workspace, which can be achieved by doing 3 simple steps:

1. ctrl + shift + p.

2. Write to the command palette: Clean the Java language server workspace.

3. Press enter (restart your VScode).