Class not found in Windows CMD build

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I am unable to run my JAVA algorithms through the Windows 8.1 terminal .

It turns out that there is always a class error not found, I already put the . class files together with . java and still can’t find.

What do I do to fix?

Follow some prints to illustrate my doubt.

All files together in the same folder

Arquivos juntos...

Running the javac system.java command on CMD Comandos...

PS: I already used the command javac system.java person.java student.java and NOTHING.

java cmd
  • 2

    In the archive aluno.java, the class "student" is defined as Aluno or aluno?

  • Probably @Viníciusgobboa.deOliveira is right, the class should be Student.

  • Aki is the code of my class: http://prntscr.com/8mmgg1

1 answer

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To commpilar the classes you must save the class with the same name as you will use to call the class by cmd.

public class HelloWorld {

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

You should call the cmd that way:
javac Helloworld.java

It is possible to name a class with any language supported name. But it is interesting to follow some adopted rules:

Every class should start with a capital letter ,if the name of a class is composed of more than one word, the first letter of each word should be capitalized. Do not declare a class with any special character (@, #, $, %, &, *, _, etc...). The word selected should reflect the purpose of the class.

Always put the class in some package.

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