warning: [path] bad path element /JAVA

I tried to run my first java file "demo.java" using script but there was an error
public class demo{
public static void main(String[] args){
System.out.println("Demo");
} }

warning: [path] bad path element "C:\Program Files\Java\jdk-16.0.1\lib\jrt.jar": no such file or directory
1 warning
Demo