Introduction to Java Programming and Data Structures, Comprehensive Version, Student Value Edition (11th Edition)
11th Edition
ISBN: 9780134671604
Author: Y. Daniel Liang
Publisher: PEARSON
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Question
Chapter 12.2, Problem 12.2.5CP
Program Plan Intro
Exception handling:
In Java, the exception is an object used to signal the unexpected error occurred during a program execution.
- Exception is the error, which arises at run time and such errors can be handled in Java by exception handling.
Try and catch block:
Java virtual machine (JVM) searches to handle the error in catch clause at that time of exception in code. So use try-catch statement to handle the exception in a code.
The following are the main keywords used in exception handling:
- Try
- Catch
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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1.class Nothing {public static void main(String args[]){int x = 0;int y = 20;int fraction = y/x;System.out.println("End Of Main");}}1. If there will occur exception, write the code that will handle the exception.
JAVA programming language
void foo () {
try {
throw new Exception1 ();
print (" A ");
throw new Exception2 ();
print (" B ");
}
catch ( Exception1 e1 ) {
print " handler1 ";
}
print (" C ");
throw new Exception2 ();
}
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try {
try {
foo ();
print (" D ");
}
catch ( Exception1 e1 ) { print " handler2 "; }
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}
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.
Chapter 12 Solutions
Introduction to Java Programming and Data Structures, Comprehensive Version, Student Value Edition (11th Edition)
Ch. 12.2 - Prob. 12.2.1CPCh. 12.2 - Prob. 12.2.2CPCh. 12.2 - Prob. 12.2.3CPCh. 12.2 - Prob. 12.2.4CPCh. 12.2 - Prob. 12.2.5CPCh. 12.2 - Show the output of the following code:Ch. 12.3 - Prob. 12.3.1CPCh. 12.3 - Prob. 12.3.2CPCh. 12.4 - Prob. 12.4.1CPCh. 12.4 - Prob. 12.4.2CP
Ch. 12.4 - Prob. 12.4.3CPCh. 12.4 - Prob. 12.4.4CPCh. 12.4 - Prob. 12.4.5CPCh. 12.4 - Prob. 12.4.6CPCh. 12.4 - What is displayed when running the following...Ch. 12.4 - Prob. 12.4.8CPCh. 12.4 - What does the method getMessage() do?Ch. 12.4 - What does the method printStackTrace() do?Ch. 12.4 - Prob. 12.4.11CPCh. 12.4 - Prob. 12.4.12CPCh. 12.5 - Prob. 12.5.1CPCh. 12.6 - Prob. 12.6.1CPCh. 12.7 - Prob. 12.7.1CPCh. 12.8 - Prob. 12.8.1CPCh. 12.9 - Prob. 12.9.1CPCh. 12.9 - Prob. 12.9.2CPCh. 12.10 - What is wrong about creating a File object using...Ch. 12.10 - How do you check whether a file already exists?...Ch. 12.10 - Can you use the File class for I/O? Does creating...Ch. 12.11 - Prob. 12.11.1CPCh. 12.11 - Prob. 12.11.2CPCh. 12.11 - Prob. 12.11.3CPCh. 12.11 - Prob. 12.11.4CPCh. 12.11 - What will happen if you attempt to create a...Ch. 12.11 - Prob. 12.11.6CPCh. 12.11 - Suppose you enter 45 57, 8 789, then press the...Ch. 12.11 - Prob. 12.11.8CPCh. 12.12 - How do you create a Scanner object for reading...Ch. 12.13 - Prob. 12.13.1CPCh. 12.13 - Simplify the code in lines 20-28 as follows: 1....Ch. 12 - Prob. 12.1PECh. 12 - (InputMismatchException) Write a program that...Ch. 12 - (ArrayIndexOutOfBoundsException) Write a program...Ch. 12 - (IllegalArgumentException) Modify the Loan class...Ch. 12 - (IllegalTriangleException) Programming Exercise...Ch. 12 - (NumberFormatException) Listing 6.8 implements the...Ch. 12 - Prob. 12.7PECh. 12 - Prob. 12.8PECh. 12 - Prob. 12.9PECh. 12 - Prob. 12.10PECh. 12 - Prob. 12.11PECh. 12 - (Reformat Java source code) Write a program that...Ch. 12 - (Count characters, words, and lines in a file)...Ch. 12 - (Process scores in a text file) Suppose a text...Ch. 12 - (Write/read data) Write a program to create a file...Ch. 12 - Prob. 12.16PECh. 12 - (Game: hangman) Rewrite Programming Exercise 7.35....Ch. 12 - Prob. 12.18PECh. 12 - (Count words) Write a program that counts the...Ch. 12 - Prob. 12.20PECh. 12 - (Data sorted?) Write a program that reads the...Ch. 12 - Prob. 12.22PECh. 12 - (Process scores in a text file on the Web) Suppose...Ch. 12 - (Create large dataset) Create a data file with...Ch. 12 - (Create a directory) Write a program that prompts...Ch. 12 - Prob. 12.26PECh. 12 - (Replace words) Suppose you have a lot of files in...Ch. 12 - (Rename files) Suppose you have a lot of files in...Ch. 12 - (Rename files) Suppose you have several files in a...Ch. 12 - (Occurrences of each letter) Write a program that...Ch. 12 - (Baby name popularity ranking) The popularity...Ch. 12 - (Ranking summary) Write a program that uses the...
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