Java: An Introduction to Problem Solving and Programming (8th Edition)
8th Edition
ISBN: 9780134462035
Author: Walter Savitch
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 9.3, Problem 25STQ
Program Plan Intro
Exception:
- • It is nothing but an undesirable or unexpected event that occurs at run time which interrupts the normal flow of the
program ’s commands. - • Exception handling is a
mechanism that handle runtime errors like “ClassNotFoundException”, “SQLException”, and so on. - • An advantage of exception handling is to maintain a flow of the program.
- • An exception can be handled using “try” and “catch” block.
Types of exceptions:
There are two types of exceptions. They are:
- • Checked Exception:
- ○ A class that inherits a “Throwable” class except “RunTimeException” and “Error” are called as checked exceptions.
- ○ Example: “IOException”
- • Unchecked Exception:
- ○ A class that inherits a “RunTimeException” class is called as unchecked exceptions.
- ○ Example: “ArrayIndexOutOfBoundException”
“throws” clause:
- • This clause is used to declare the exception. This provides information to the programmer that the program might produce an exception so it is better to give the exception handling code which maintains the normal flow of the program.
- • It is usually given in the method header.
Syntax:
Method_Name throws ExceptionName
{
//statements
}
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
What happens when an exception occurs in a method but it is not caught inside the method?
The method exits immediately.
The exception is passed to the caller.
An exception is thrown.
All of the other answers are correct.
What happens if an exception is thrown, but not caught?
What will happen if an exception is thrown but not caught?
Chapter 9 Solutions
Java: An Introduction to Problem Solving and Programming (8th Edition)
Ch. 9.1 - Prob. 1STQCh. 9.1 - What output would the code in the previous...Ch. 9.1 - Prob. 3STQCh. 9.1 - Prob. 4STQCh. 9.1 - Prob. 5STQCh. 9.1 - Prob. 6STQCh. 9.1 - Prob. 7STQCh. 9.1 - Prob. 8STQCh. 9.1 - In the code given in Self-Test Question 1,...Ch. 9.1 - In the code given in Self-Test Question 1,...
Ch. 9.1 - Prob. 11STQCh. 9.1 - Prob. 12STQCh. 9.1 - Prob. 13STQCh. 9.1 - Prob. 14STQCh. 9.2 - Prob. 15STQCh. 9.2 - Prob. 16STQCh. 9.2 - Prob. 17STQCh. 9.2 - Prob. 18STQCh. 9.2 - Prob. 19STQCh. 9.2 - Prob. 20STQCh. 9.2 - Suppose that, in Self-Test Question 19, we change...Ch. 9.2 - Prob. 22STQCh. 9.2 - Prob. 23STQCh. 9.3 - Prob. 24STQCh. 9.3 - Prob. 25STQCh. 9.3 - Prob. 26STQCh. 9.3 - Prob. 27STQCh. 9.3 - Prob. 28STQCh. 9.3 - Repeat Self-Test Question 27, but change the value...Ch. 9.3 - Prob. 30STQCh. 9.3 - Prob. 31STQCh. 9.3 - Prob. 32STQCh. 9.3 - Consider the following program: a. What output...Ch. 9.3 - Write an accessor method called getPrecision that...Ch. 9.3 - Prob. 35STQCh. 9.4 - Prob. 36STQCh. 9.4 - Prob. 37STQCh. 9.4 - Prob. 38STQCh. 9 - Write a program that allows students to schedule...Ch. 9 - Prob. 2ECh. 9 - Prob. 3ECh. 9 - Prob. 4ECh. 9 - Prob. 5ECh. 9 - Write code that reads a string from the keyboard...Ch. 9 - Create a class Rational that represents a rational...Ch. 9 - Prob. 9ECh. 9 - Suppose that you are going to create an object...Ch. 9 - Revise the class RoomCounter described in the...Ch. 9 - Prob. 12ECh. 9 - Write a class LapTimer that can be used to time...Ch. 9 - Prob. 1PCh. 9 - Prob. 2PCh. 9 - Prob. 3PCh. 9 - Write a program that uses the class calculator in...Ch. 9 - Prob. 3PPCh. 9 - Prob. 7PPCh. 9 - Suppose that you are in change of customer service...Ch. 9 - Write an application that implements a trip-time...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- A method can use the throws clause to pass the responsibility of handling any exceptions to the caller of the method. This is usually seen as better programming discipline than handling exceptions inside of methods. Why is that? In JAVA CODEarrow_forwardWrite a Month class that holds information about the month. Write exception classes for the following error conditions:• A number less than 1 or greater than 12 is given for the month number.• An invalid string is given for the name of the month.Modify the Month class so that it throws the appropriate exception when either of these errors occurs. Demonstrate the classes in a program.arrow_forwardA method can use the throws clause to pass the responsibility of handling any exceptions to the caller of the method. This is usually seen as better programming discipline than handling exceptions inside of methods. Why is that?arrow_forward
- PLZ help with the following IN JAVA If a method throws an exception, and the exception is not caught inside the method, then the method invocation: terminates transfers control to the catch block transfers control to the exception handler none of the abovearrow_forwardPLZ help with the following: True/False In java it is possible to throw an exception, catch it, then re-throw that same exception if it is desired GUIs are windowing interfaces that handle user input and output. An interface can contain defined constants as well as method headings or instead of method headings. When a recursive call is encountered, computation is temporarily suspended; all of the information needed to continue the computation is saved and the recursive call is evaluated. Can you have a static method in a nonstatic inner class?arrow_forwardPlease explain what each line of code does by providing comments. Java Intellij Project. Choose any program from this semester that accesses a file, but that does not use try-catch blocks to handle file not found exceptions. The program may be one you wrote or a sample provided by your instructor. Add a try and catch block to take the exception. You can decide what the handler does. It could simply print a message – such as on the screen in the IDE or a JOptionPane error message dialog box – or it could allow the user to enter the correct file name. Add comments to the beginning of the project code describing what you did and how it works.arrow_forward
- How do you get out of break mode when an exception is thrown?arrow_forwardJava Exception method withdraw throws an exception if amount is greater than balance. For example: Test Result Account account = new Account("Acct-001","Juan dela Cruz", 5000.0); account.withdraw(5500.0); System.out.println("Balance: "+account.getBalance()); Insufficient: Insufficient funds. Balance: 5000.0 Account account = new Account("Acct-001","Juan dela Cruz", 5000.0); account.withdraw(500.0); System.out.println("Balance: "+account.getBalance()); Balance: 4500.0arrow_forwardException - Java Write a program that will compute the factorial of a number. Your program must catch an exception if the input is not a number. For example: Input Result 5 120 w InputMismatchException -5 Invalid Inputarrow_forward
- What outcomes are possible in the event that an exception is thrown outside of a try block?arrow_forwardWhat is the value of the expression max().) O None It raises a ValueError exception. O It raises an IndexError exception.arrow_forwardAssume there is a static method called scienceTechEngrMath that takes a String parameter. Its prototype is below:public static String scienceTechEngrMath(String department) This method will return the answer to any department-based question, but… it will throw exceptions in the following cases: • NullPointerException is thrown if you pass it “null” instead of an actual department string • NotInTheDivisionException is thrown if the length of the characters in the department name is less than 7 • ThatIsInvalidDivisionException is thrown if the length of characters in the department name is more than 11 characters private static void askDepartment(String question) { try { String response = scienceTechEngrMath(question); System.out.println("1"); } catch (NullPointerException e) { System.out.println("3"); } catch (NotInTheDivisionException e) { System.out.println("5"); }…arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- EBK JAVA PROGRAMMINGComputer ScienceISBN:9781337671385Author:FARRELLPublisher:CENGAGE LEARNING - CONSIGNMENTMicrosoft Visual C#Computer ScienceISBN:9781337102100Author:Joyce, Farrell.Publisher:Cengage Learning,
EBK JAVA PROGRAMMING
Computer Science
ISBN:9781337671385
Author:FARRELL
Publisher:CENGAGE LEARNING - CONSIGNMENT
Microsoft Visual C#
Computer Science
ISBN:9781337102100
Author:Joyce, Farrell.
Publisher:Cengage Learning,