How to write custom exception with user defined fields?

Question

This might be an easy thing but I am just confused a bit. How to write a custom exception with user defined fields.

Lets take an example:

public class MyException extends Exception
{
public  MyException()
    {
        super();
    }

    public  MyException(String message)
    {
        super(message);
    }

    public MyException(String message, Throwable cause){
        super(message,cause);
    }
}

Now I want something like:

public MyException(String errCode, String message, Throwable cause){
        //Want to get same result as other constructor but with errCode field   
}

Just confused how to do this. Please help!

Answer 1

public class MyException extends Exception {
    private String errCode;

    public MyException(String errCode, String message, Throwable cause) {
        super(message, cause);
        this.errCode = errCode;
    }

    //getter, setter

}