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.
Este exercício faz parte do curso
Data Types and Exceptions in Java
Instruções do exercício
- Add a
tryand the start of thetrycode block. - Catch the
ArithmeticExceptionwith(ArithmeticException e)and start acatchcode block. - Finish the
catchcode block.
Exercício interativo prático
Experimente este exercício completando este código de exemplo.
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
____
}
}