EBK JAVA PROGRAMMING
9th Edition
ISBN: 9781337671385
Author: FARRELL
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Chapter 12, Problem 7RQ
Program Description Answer
Except the keyword catch, a try block will include the elements such as the keyword try, curly braces and the statements that might cause Exceptions.
Hence, the correct answer is option “B”.
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Challenge 2: InvalidNumbers.java
Write a program InvalidNumbers that asks the user to enter a positive integer. The program will warn the user if a valid integer is not entered using the InputMismatchException and ask to enter again. The program should also throw an exception if the user enters negative numbers. Write the program and test it using negative numbers, doubles, and very large numbers.
. The TryParse methods throw an exception if the string argument cannot be
converted
There is no maximum number of arguments that may be used inside a catch block since this kind of block does not have a restriction.
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- The __________ family of methods can be used to convert a string to a specific data type without throwing an exception. a. TryConvert b. Parse c. TryParse d. SafeConvertarrow_forwardThis question comes from the textbook:Starting out with Visual C# 5th Edition - Chapter 14 Programming Problem 2 Please write this in C# so I can compare with my code. Create an application that reads the contents of two text files and uses LINQ extension methods to perform the following: • It should display a list of all the unique words contained in both files.• It should display a list of the words that appear in both files.• It should display a list of the words that appear in the first file but not the second.• It should display a list of the words that appear in the second file but not the first.• It should display a list of the words that appear in either the first or second file but not both. Hint: Use set operations to perform these analyses. Also, see Chapter 8 for a discussion of string tokenizing.arrow_forwardTrue or False The TryParse methods throw an exception if the string argument cannot be converted.arrow_forward
- There is no limit to the number of arguments that can be used in a catch block.arrow_forwardThere is no maximum number of arguments that may be used inside a catch block since this kind of block does not have a parameter restriction.arrow_forwardQuestion (1): Write a program that asks the user to enter an integer greater than zero and store it in a variable called “n". Then it calculates the final value that will be stored in a variable called “s" according to the following equation. 1х 2 2 x 3 3 x 4 4 x 5 Nx (N+ 1) .. ( + or - ) 2 3 4 5 N+1 And add an exception when the user enters any value other than integer shows the message “You entered non integer value, please try again.", and let the user to enter a new value. Enter an integer: 4 Example 1 S = -2.0 Enter an integer: a You entered non integer value, please try again. Ехample 2 Enter an integer: 4 S = -2.0arrow_forward
- There is no limit on the amount of arguments in a catch block.arrow_forwardThere is no restriction on the number of arguments that may be used in a catch block.arrow_forwardQuestion (1): Write a program that asks the user to enter an integer greater than zero and store it in a variable called “n”. Then it calculates the final value that will be stored in a variable called “s” according to the following equation And add an exception when the user enters any value other than integer shows the message “You entered non integer value, please try again.”, and let the user to enter a new value.Example 1Enter an integer: 4S = -2.0Example 2Enter an integer: aYou entered non integer value, please try again.Enter an integer: 4S = -2.0arrow_forward
- The return Or the throw function sometimes returns a random number and throws anither number as an exception. Write a code that will print out the number that the returnorthrow function gives back even if it throws an exception.arrow_forwardAny number of arguments may be used in a catch block.arrow_forwardException handling and File I/O coding intellj Exercise 3. File I/O Please create a file and add the following line: 1,5,7,9,13,58,70 Exercise 4, Assuming you have a file on your laptop, and it has the following: John,23 Please create a Person object from your main method by reading the file. You have to create Person class (String name, int age) Please read the file and show the sum of all the numbers.arrow_forward
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