Running Java in Visual Studio Code gives error "not a statement"-CodePudding

I'm trying to run Java in visual studio code but it gives me this error, it works in IntelliJ though

EDIT: Okay turns out I would need to make a Main.class file inside of the same file of the Main.java file, with that now it works properly in vscode. But I saw a friend of mine just making one new .java file and it works directly, how can I make vscode to be like so?

Main.java:

public class Main {
    public static void main(String[] args){
        System.out.println("Hello World");
    }
}

Error:

[Running] cd "/Users/username/Documents/Java Projects/" && javac Main.java && java Main
Main.java:3: error: not a statement
        System
        ^
Main.java:3: error: ';' expected
        System
              ^
2 errors

[Done] exited with code=1 in 0.62 seconds

I tried reinstalling Java in Visual Studio Code to no avail Update: I think I found the problem: Thing is, I tried out Java first with IntelliJ and before that I'd need to make a Java Project. It works through IntelliJ with that new Project file, when I run said Java program in vscode it works as well, but as soon as I make a new file outside of the project file, or a new file outside of the project folder, it gives out a new error which is this:

Error: Could not find or load main class Main
Caused by: java.lang.ClassNotFoundException: Main

CodePudding user response：

This error message suggests that the "System" on line 3 of your code is not being recognized as a statement. It seems that the issue is with Visual Studio Code's integration with the Java language, rather than with the Java language itself.

Here are some steps you can try to resolve the issue:

Check that you have the Java Extension Pack installed in Visual Studio Code, which includes the necessary extensions for Java development.
Make sure that the correct Java SDK is set as the default in Visual Studio Code. You can check this by opening the Command Palette (Ctrl/Cmd Shift P) and typing 'Java: Home' to see the path to your Java home directory.
If the above steps don't work, you can try resetting your Visual Studio Code settings to default by going to File > Preferences > Settings, clicking the "Edit in settings.json" link, and then deleting the contents of the file.

CodePudding user response：

javac main.java && java Main into your visual studio code terminal If the error is the same

then set the temporary environment variable and try javac main.java && java Main again

Here is my powershell output

PS C:\Users\jilliss> javac Main.java ; java Main
Hello World
PS C:\Users\jilliss> java -version
openjdk version "17.0.6" 2023-01-17
OpenJDK Runtime Environment Temurin-17.0.6 10 (build 17.0.6 10)
OpenJDK 64-Bit Server VM Temurin-17.0.6 10 (build 17.0.6 10, mixed mode, sharing)
PS C:\Users\jilliss> cat .\Main.java
public class Main {
    public static void main(String[] args) {
        System.out.println("Hello World");
    }
}
PS C:\Users\jilliss>
PS C:\Users\jilliss> $ENV:JAVA_HOME
D:\win\Scoop\apps\temurin17-jdk\current
PS C:\Users\jilliss> $ENV:CLASS_PATH
PS C:\Users\jilliss> $ENV:CLASSPATH
PS C:\Users\jilliss>

As you can see, I only set JAVA_HOME but everything works fine, probably because of your jdk version