1 //一段优美的例子
2 import java.util.Scanner;
3 import java.util.InputMismatchException;
4
5 public class DevideByZeroWithoutNoException1{
6 public static int quotient(int numerator,int denominator)
7 throws ArithmeticException
8 {
9 return numerator/denominator;
10 }
11
12 public static void main(String[] args) {
13 Scanner scanner=new Scanner(System.in);
14
15 boolean continueLoop=true;
16
17 do {
18 try
19 {
20 System.out.print("please enter an int numerator:");
21 int numerator=scanner.nextInt();
22
23 System.out.print("please enter an in denominator:");
24 int denominator=scanner.nextInt();
25
26 int result=quotient(numerator,denominator);
27
28 System.out.printf("%nResult:%d/%d=%d%n",numerator,denominator,result);
29
30 continueLoop=false;
31
32 }
33
34 catch (InputMismatchException inputMismatchException)
35 {
36 System.err.printf("%nException:%s%n",inputMismatchException);
37 scanner.nextLine();
38 System.out.printf("%nYou must enter an integer number.Please try again.%n%n");
39 }
40
41 catch (ArithmeticException arithmeticException)
42 {
43 System.err.printf("%nException:%n%s",arithmeticException);
44 System.out.printf("%nZero is an invalid denom inator!Please try again.%n%n");
45 }
46
47
48 } while (continueLoop);
49
50
51 }
52 }