Question: Hi I have some questions about java programming. 1 Density example with error-checking code. import java. ut il. Scanner: public class DensityCalculator { public static

Hi I have some questions about java programming.

1 Hi I have some questions about java programming. 1 Density example with $error-checking code. import java. ut il. Scanner: public class DensityCalculator \{ public$ $static void main(String[] args) \{ Scanner scnr = new Scanner (System. in);$ double massval =0;1/ Objeat mass (kg) double volumeval =0;//. Object volume (mY)

Density example with error-checking code. import java. ut il. Scanner: public class DensityCalculator \{ public static void main(String[] args) \{ Scanner scnr = new Scanner (System. in); double massval =0;1/ Objeat mass (kg) double volumeval =0;//. Object volume (mY) double densityCalc; // Resulting density try \{ massval = scnr nextDouble (); // Error cheoking, non-negative mass if (massval

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