How many and what kind of variables (primitive or object) are created in the code below?
> World worldObj = new World(); // worldObj is an object variable
> Turtle turtle1 = new Turtle(worldObj); // turtle1 is an object variable
> turtle1.forward(30);
> Turtle turtle2 = new Turtle(worldObj); // turtle2 is an object variable
> turtle2.turnRight();
> turtle2.forward(30);
This creates 3 object variables.
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