Answered: public class CallStack{ // Called…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

public class CallStack{

// Called by func1()

void func2 (){

System.out.println("In func2 method");

int a = 0;

int b;

b = 10 / a;

}

//Called by Main

void func1(){

System.out.println("In func1 method");

this.func2 ();

System.out.println("Back in func1 method");

}

public static void main (String args[]){

CallStack myCallStack;

myCallStack = new CallStack();

System.out.println("In the main method");

try {

myCallStack.func1 ();

}catch (ArithmeticException e) {

System.out.println("Can't divide by Zero!");

}

1. Examine the code to determine what it does.
2. Compile and execute the code.
3. Modify the main() method to handle the exception that is propagated to it. Use a try- catch block to display a meaningful error message when the exception occurs.
4. Test your code. Notice that, although the exception was thrown in func2, it is caught by the catch block in the main method.

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