error: file not found: datatype.java Usage: javac <options> <source files> use --help for a list of possible options · Issue #91161 · microsoft/vscode · GitHub
I could not understand why "javac: file not found: HelloWorld.java" - Stack Overflow
java - javac : file not found even after settinh HOME_PATH - Stack Overflow
javac' is not recognized as an internal or external command [Solution] | Java67