$51$ point

How many fields are declared in the Car class?

public class Car $\{$

$//$ declare private fields

$...$

public void drive$($int miles$)\{\}$ ;

public void addGas$($double gallons$)\{\}$ ;

$\}$

public int checkOdometer $()\{\}$ ;

$2$

Unknown

$3$

$0$

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