关于java自定义异常类的创建

public class DataException extends Exception{
private static final long serialVersionUID = -5946863993639201273L;

public DataException() {
}

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

public DataException(Throwable cause) {
super(cause);
}

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