Java: An Introduction to Problem Solving and Programming (8th Edition)
Java: An Introduction to Problem Solving and Programming (8th Edition)
8th Edition
ISBN: 9780134462035
Author: Walter Savitch
Publisher: PEARSON
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Chapter 9.2, Problem 23STQ
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.
  • Try and catch block: Java virtual machine (JVM) searches to handle the error in “catch” clause at that time of exception in the program. So “try-catch” statements are used in order to handle those exceptions. The following are the main keywords used in exception handling.
    • “try” block: Try block contains the block of statements to monitor the exception and it thrown the exception.
    • “catch” block: Catch block catch exception thrown by the try block to handle it.

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What is the benefit of defining a custom exception class to be derived from the exception class?
use C++ programing language  Write a program that prompts the user to enter a person's date of birth in numeric form such as 8-27-1980. The program then outputs the date of birth in the form: August 27, 1980. Your program must contain at least two exception classes: invalidDay and invalidMonth. If the user enters an invalid value for day, then the program should throw and catch an invalidDay object. Similar conventions for the invalid values of month and year. (Note that your program must handle a leap year.)
When someone "overloads" a function or an operator, what precisely does this imply? What are some of the benefits associated with it? How can the user be protected from making mistakes by using the many different exception handling mechanisms that might be programmed?

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Java: An Introduction to Problem Solving and Programming (8th Edition)

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