Answer the following questions based on your knowledge of exception handling:   Why should you use exception handler in a java program? “Introducing exception handler in a program is not always good” – Explain this statement with an example. Rewrite the following inefficient java code snippet to handle the runtime exception without using the try-catch

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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  1. Answer the following questions based on your knowledge of exception handling:

 

  1. Why should you use exception handler in a java program?
  2. “Introducing exception handler in a program is not always good” – Explain this statement with an example.
  3. Rewrite the following inefficient java code snippet to handle the runtime exception without using the try-catch.
try{
int a = 10;
int b = 0;
String[] result = new String[2];
result[0]
= "Yes";
%3D
result [1] = "No";
int index;
index = a/b;
if (result[index]
"Yes") {
// some code here
} else {
// some code here
}
}catch (ArithmeticException el) {
System.out.println (el);
}catch (ArrayIndexOutOfBounds e2) {
System.out.println (e2) ;
}catch (NullPointerException e3) {
System.out.println (e3) ;
Transcribed Image Text:try{ int a = 10; int b = 0; String[] result = new String[2]; result[0] = "Yes"; %3D result [1] = "No"; int index; index = a/b; if (result[index] "Yes") { // some code here } else { // some code here } }catch (ArithmeticException el) { System.out.println (el); }catch (ArrayIndexOutOfBounds e2) { System.out.println (e2) ; }catch (NullPointerException e3) { System.out.println (e3) ;
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