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Try-catch

Catch a possible arithmetic exception - division by zero - and handle it by displaying a message. You will also get a chance to see more use of BigDecimal.

This exercise is part of the course

Data Types and Exceptions in Java

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Exercise instructions

  • Add a try and the start of the try code block.
  • Catch the ArithmeticException with (ArithmeticException e) and start a catch code block.
  • Finish the catch code block.

Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

import java.math.BigDecimal;

class SplitTheBill {
	public static void main(String[] args) {
		BigDecimal bill = new BigDecimal(125.50);
		computeEachBill(bill, 5);
		computeEachBill(bill, 0);
	}

	public static void computeEachBill(BigDecimal bill, int people) {
		// Add a try and the beginning of the try code block
		____ ____
			BigDecimal numPeople = new BigDecimal(people);
			BigDecimal individualBill = bill.divide(numPeople);
			System.out.println("Bill for each person is: " + individualBill);
			// End the try code block and catch a possible ArithmeticException
        ____ ____ (ArithmeticException e) ____
			System.out.println("You didn't provide a positive number of people to split the bill among.");
			// End the catch code block
		____
	}
}
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