Mega Code Archive
Defining Your Own Exceptions, Throwing Your Own Exception
<![CDATA[
class DreadfulProblemException extends ArithmeticException {
public DreadfulProblemException() {
}
public DreadfulProblemException(String s) {
super(s);
}
}
public class MainClass{
public static void main(String[] a){
int[] array = new int[]{1,0,2};
int index = 0;
try {
System.out.println("First try block in divide() entered");
array[index + 2] = array[index]/array[index + 1];
System.out.println("Code at end of first try block in divide()");
} catch(ArithmeticException e) {
System.out.println("Arithmetic exception caught in divide()");
throw new DreadfulProblemException("index + 1"); // Throw new exception
} catch(ArrayIndexOutOfBoundsException e) {
System.out.println(
"Index-out-of-bounds index exception caught in divide()");
}
System.out.println("Executing code after try block in divide()");
}
}
First try block in divide() entered
Arithmetic exception caught in divide()
Exception in thread "main" DreadfulProblemException: index + 1
at MainClass.main(MainClass.java:20)
]]>