what is the value of the variable?

double dNum= 6.23

A. 6
B. 6.0
C. 6.23
D. 0.0
E. error: possible loss of precision

To determine the value of the variable `dNum`, we can look at the code provided:

```java
double dNum = 6.23;
```

The variable `dNum` is explicitly declared as a `double` data type and assigned the value `6.23`.

In Java, a `double` is a data type that represents decimal numbers with double precision. It can store values with a fractional part.

Since the assigned value is `6.23`, the correct option is C) 6.23.