Java compiler error

Question

I have completed an assignment. However, I am unfamiliar with javac compiler error messages, and can not find an explanation for the following error message.

> ----------Compilation output--------------------------------------------
> javac Main.java
> classes in application are
> Main.java:class Main
> Main.java:class Envelope
> Letter.java:class Envelope{
> Letter.java:public class Letter {
> ./Letter.java:12: duplicate class: Envelope
> class Student{
> ^
> 1 error

I have no idea what to make of it and would appreciate any explanation of what I am doing wrong.

Could you show the source code?

Alexis Dufrenoy
– Alexis Dufrenoy

2012-02-11 20:03:22 +00:00
Commented Feb 11, 2012 at 20:03 — Alexis Dufrenoy
– Alexis Dufrenoy, Commented Feb 11, 2012 at 20:03

Mark Byers · Accepted Answer · 2012-02-11 20:04:08Z

4

The problem is that you have two classes called Envelope.

Main.java:class Envelope
Letter.java:class Envelope

If they are supposed to be different classes then rename one of them.

If they are supposed to be the same class then put it in is own file, rather than copy + pasting the code every time you need it.

answered Feb 11, 2012 at 20:04

Mark Byers

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2 Comments

Juan Doe Over a year ago

Mark, talk about fast! Thanks for the swift response. Your assistance is much appreciated.

mauris Over a year ago

Mark this as the answer by pressing the tick on the left. This will help others to identify that this question has been solved. @juan

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