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Concept explainers
Explanation of Solution
Given code:
//Definition of class "ExceptionTest"
public class ExceptionTest
{
//Definition of main
public static void main(String[] args)
{
//Declare the variable "number"
int number;
//Declare the variable "str"
String str;
//Try block
try
{
//Assign "xyz" to "str"
str = "xyz";
//Parse the string and store it in number
number = Integer.parseInt(str);
//Print the value "A"
System.out.println("A");
}
//Catch block
catch (NumberFormatException e)
{
//Print the value "B"
System.out.println("B");
}
//Catch block
catch (IllegalArgumentException e)
{
//Print the value "C"
System.out.println("C");
}
//Finally block
finally
{
//Print the value "D"
System.out.println("D");
}
//Print the value "E"
System...
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Chapter 11 Solutions
Starting Out with Java: From Control Structures through Objects (7th Edition) (What's New in Computer Science)
- // JumpinJive.java - This program looks up and prints the names and prices of coffee orders. // Input: Interactive. // Output: Name and price of coffee orders or error message if add-in is not found. import java.util.Scanner; public class JumpinJive { public static void main(String args[]) throws Exception { // Declare variables. String addIn; // Add-in ordered by customer. final int NUM_ITEMS = 5; // Named constant // Initialized array of add-ins. String addIns[] = {"Cream", "Cinnamon", "Chocolate", "Amaretto", "Whiskey"}; // Initialized array of add-in prices. double addInPrices[] = {.89, .25, .59, 1.50, 1.75}; boolean foundIt; int x; // Loop control variable. double orderTotal = 2.00; // All orders start with a 2.00 charge // Get user input. Scanner input = new Scanner(System.in); System.out.print("Enter coffee add-in or XXX to quit: "); addIn = input.nextLine();…arrow_forwardusing System; namespace ErrorHandlingApplication{class DivNumbers{int result; DivNumbers(){result = 0;}public void division(int num1, int num2){try{result = num1 / num2;}catch (DivideByZeroException e){Console.WriteLine("Exception caught: {0}", e);}finally{Console.WriteLine("Result: {0}", result);}}static void Main(string[] args){DivNumbers d = new DivNumbers();d.division(25, 0);Console.ReadKey();}}} Modify this c# program on which enables users to enter value desired.arrow_forwardJAVA programming languagearrow_forward
- 1.public class Test{ public static void main(String args[]){ Person p = null; try{ } p.talk(); } catch (NullPointerException e) { System.out.print("There is a NullPointerException."); } catch(Exception e) { System.out.print("There is an Exception."); } System.out.print("Everything went fine."); } what will be the result if you run this program? O There is a NullPointerException. Everything went fine. O There is a NullPointerException. There is a NullPointerException. There is an Exception. This code will not compile, because in Java there are no pointers.arrow_forwardJava Questions - (Has 2 Parts). Based on each code, which answer out of the choices "A, B, C, D, E" is correct. Each question has one correct answer. Thank you. Part 1 - The following code will cause a(n) ___ exception. class Sample{public static void main(String[] args) { int x = 0; int y = 10; int z = y/x; } } A. ArithmeticExceptionB. ArrayIndexOutOfBoundsExceptionC. StringIndexOutOfBoundsExceptionD. NullPointerExceptionE. ClassNotFoundException Part 2 - A programmer carelessly assigned a negative value as an index of an array. Which type of exception will be raised during execution? A. An IndexOutOfBoundsException is thrown.B. A NumberFormatException is thrown.C. The first slot of the array is used.D. This is an Error, so the program immediately terminates no matter what.E. The last slot of the array is used.arrow_forwardusing System; class Program { publicstaticvoid Main(string[] args) { int number,max=-9999999,i=0; while (i<6) { Console.WriteLine("Enter a number: "); number=Convert.ToInt32(Console.ReadLine()); if(number==0) { break; } else { if(number>max) { max=number; } } i++; } Console.WriteLine("Largest number is "+max); } } Hello! This code is written in C# to get six numbers from the user and choose the largest of those numbers. How can it be changed to get six numbers from the user and then add the smallest number with the largest number? if possible Thank you!arrow_forward
- // DebugFive4.java // Outputs highest of four numbers import java.util.*; public class DebugFive4 { publicstaticvoidmain (Stringargs[]) { Scanner input =newScanner(System.in); int one, two, three, four; String str, output; System.out.println("Enter an integer"); str = input.next(); one = Integer.parseInt(str); System.out.println("Enter an integer"); str = input.next(); two = Integer.parseInt(str); System.out.println("Enter an integer"); str = input.next(); three = Integer.parseInt(str); System.out.println("Enter an integer"); str = input.next(); four = Integer.parseInt(str); if(one > two > one > three > one > four) output = "Highest is " + four; else if(two > one && two > three !! two > four) output = "Highest is " + three; else if(three > one && three > two && three > four) output = "Highest is " + three; else output = "Highest is " + four; System.out.println(output); } }arrow_forwardFind the error in each of the following code segmentsarrow_forwardvoid foo () { try { throw new Exception1 (); print (" A "); throw new Exception2 (); print (" B "); } catch ( Exception1 e1 ) { print " handler1 "; } print (" C "); throw new Exception2 (); } void main () { try { try { foo (); print (" D "); } catch ( Exception1 e1 ) { print " handler2 "; } print (" E "); } catch ( Exception2 e2 ) { print " handler3 "; } } Write down the output of the program and justify why it is the output. Instead of the “replacement” semantics of exception handling used in modern languages, a very early design of exception handling introduced in the PL/I language uses a “binding” semantics. In particular, the design dynamically tracks a sequence of “catch” blocks that are currently active; a catch block is active whenever the corresponding try block is active. What will be the output of the following program if the language uses the “binding” semantics? Give the reasoning for your answer.arrow_forward
- // ArtShow.java - This program determines if an art show attendee gets a 5% discount // for preregistering. // Input: Interactive. // Output: A statement telling the user if they get a discount or no discount. import java.util.Scanner; public class ArtShow { public static void main(String args[]) { Scanner s = new Scanner(System.in); String registerString; System.out.println("Did you preregister? Enter Y or N: "); registerString = s.nextLine(); // Test input here. If Y, call discount(), else call noDiscount(). System.exit(0); } // End of main() method. // Write discount method here. // Write noDiscount method here. } // End of ArtShow class.arrow_forwardQuestion 3 } public class WeekDay { static void daysFromSunday(int day) { String dayName = ""; try { } } if (day > 7) { throw new Exception("Invalid Day! Too high!"); } else if(day < 1){ throw new Exception("Invalid Day! Too low!"); } switch(day){ case 1: dayName="Sun"; break; case 2: dayName="Mon"; break; case 3: dayName="Tue"; break; case 4: dayName="Wed"; break; } ▬▬ } case 5: dayName="Thu"; Dreak; case 5: dayName="Thu"; break; case 6: dayName="Fri"; break; default: dayName="Sat"; System.out.println(dayName); } catch (Exception excpt) { System.out.println("Oops"); System.out.println(excpt.getMessage()); }finally{ System.out.println("Done!"); public static void main(String[] args) { daysFromSunday(10); daysFromSunday(3); daysFromSunday(0); OOops Invalid Day! Too high! Tue Oops Invalid Day! Too low! OOops Invalid Day! Too high! Done! Tue Done! Oops Invalid Day! Too low! Done! O Oops Invalid Day! Too high! Done! Oops Invalid Day! Too high! Done! Oops Invalid Day! Too low! Done! O Oops…arrow_forwardJava output caffeine levelsarrow_forward
- EBK JAVA PROGRAMMINGComputer ScienceISBN:9781337671385Author:FARRELLPublisher:CENGAGE LEARNING - CONSIGNMENT
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