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That's wrong, the final keyword means that you can't reassign the variable. In case of methods, means that you can't override it. In case of Classes, means that you can't extend it.

That's not ok. Post increment first evaluate the variable, then increments.

So, if you have

int a=0

System.out .... (a++) //Print 0
System.out .... (++a) //Print 2

You should use something like this

/**Code removed by moderator*/

Sorry about the format!

Mmm, it's not clear for me what exactly are you expecting from us, but regarding constructors I can say

You can have private, default and public constructors
You can't inherit a constructor
If...

There is not such thing like a "protected" class ...

You can start reading some examples about SimpleDateFormat, In my opinion is the best way to do what you have to do ...

You can put some attributes into your enums ... for example.



public enum CustomerType {
SILVER(25d, 1d), GOLD(30d, 0.50d), PLATINUM(35d, 0.25d);

private double baseCost;
...

I'm sorry, but I have to disagree with you. Eclipse itself could answer a lot of questions that I 've seen posted here. If the beginners want to "think" like a compiler, they should study for SCJP.

But why aren't you using an IDE like eclipse to avoid these kind of issues??

You mean besides Singleton Pattern? Basically the idea is a private constructor and some methods to access the instance, but I 'm not quite sure that I understand your question.

But that's a compilation error, right? What IDE are you using??

Take a look Connect to Access Database using JDBC-ODBC bridge : JDBC ODBCDatabaseJava Tutorial

Did you read the documentation? How to Use GridBagLayout (The Java™ Tutorials > Creating a GUI With JFC/Swing > Laying Out Components Within a Container)

Anyway, here you have a small code which...

Please post the entire stack trace. There is no way to help you with this information.

I'm sorry. I don't understand your problem. You need an UML diagram right? Are you using any tool? Can you give us more information?

You're welcome!

Jaja no problem !!

If you want to just open the file go to file -> open file ...
If you want to run java file, create a simple java project, then copy your java file to the src package and right click (over your java...

You can inherit attributes but should be careful regarding their access modifier. Only protected attributes can be accessed directly by sub classes.

So ... what's the problem?