[Solved] What does return -1 mean in Java? If it inches is <0, do we still proceed to calculate inches/12 and inches%12?

javalol Asks: What does return -1 mean in Java? If it inches is <0, do we still proceed to calculate inches/12 and inches%12?
If it inches is <0, do we still proceed to calculate inches/12 and inches%12?

Code:
public static double calcFeetAndInchesToCentimeters(double inches) {
if(inches<0) {
return -1;
 
}
double feet=(int)inches /12;
double remainingInches=(int)inches % 12;
System.out.println(inches + "inches is equal to " + feet + "fee and " + remainingInches + " remaining inches");
return calcFeetAndInchesToCentimeters(feet, remainingInches);
}

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