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What will happen if we write code like:
try{}catch(exception e)catch(IOException i)

Answers were Sorted based on User's Feedback



What will happen if we write code like: try{}catch(exception e)catch(IOException i)..

Answer / guest

It will not compile.

Is This Answer Correct ?    26 Yes 8 No

What will happen if we write code like: try{}catch(exception e)catch(IOException i)..

Answer / sitaram

it is not complied. because first catch having child
exception and last exception having parent exception is must.
correct answer is :
try{
}
catch(IOException i){
}
catch(Exception e){
}

Is This Answer Correct ?    19 Yes 2 No

What will happen if we write code like: try{}catch(exception e)catch(IOException i)..

Answer / maurice johnson

Ignoring the incorrect syntax of the Try\Catch Block, it
will never reach the IOException portion of the
Catch......the first catch will always be triggered due to
it only Catching type Exception.

Is This Answer Correct ?    12 Yes 3 No

What will happen if we write code like: try{}catch(exception e)catch(IOException i)..

Answer / jahri

yes it should be child exception to base exception

Is This Answer Correct ?    4 Yes 1 No

What will happen if we write code like: try{}catch(exception e)catch(IOException i)..

Answer / mathi

Ignoring the incorrect syntax of the Try\Catch Block, it
will never reach the IOException portion of the
Catch......the first catch will always be triggered due to
it only Catching type Exception.

Is This Answer Correct ?    1 Yes 1 No

What will happen if we write code like: try{}catch(exception e)catch(IOException i)..

Answer / sonal

I knew the answer but tried it to get the exact compile
time error. It reads "exception java.io.IOException is
already been caught".

Is This Answer Correct ?    2 Yes 2 No

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The following program reads data (details of students) from a file named students.txt and converts it into e-mail addresses. The results are written to a file named studentemail.txt. students.txt consists of a number of lines, each containing the data of a student in colon delimited format: Last Name:First Name:Student Number Each input record is converted to an e-mail address and written to studentemail.txt in the following format: the first character of the last name + the first character of the first name + the last four digits of the student number + “@myunisa.ac.za” import java.io.*; public class EmailConverter { public static void main(String[] args) throws IOException { BufferedReader input = new BufferedReader(new FileReader ("students.txt")); PrintWriter output = new PrintWriter(new FileWriter ("studentemail.txt")); String line = input.readLine(); while (line != null) { // Extract the information for each student String[] items = line.split(":"); // Generate the email address String email = "" + items[0].charAt(0) + items[1].charAt(0) + items[2].substring(4,8) + "@myunisa.ac.za"; email = email.toLowerCase(); // Output output.println(email); line = input.readLine(); } input.close(); output.close(); } } Rewrite the class so that it handles possible errors that may occur. In particular, it should do the following: • It should catch at least three appropriate exceptions that might occur, and display suitable messages. • At this stage, the program will not run correctly if there is an empty line in the input file. Change the program so that if an empty line is encountered, an exception is thrown and the empty line is ignored. This exception should be handled with the display of a suitable error message. • Before the e-mail address is added to the output file, check if the student number has 8 digits. If not, throw an InvalidFormatException (which the program should not handle itself)

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Hi.... I applied for the post of scientific officer/Engineer-SB(Programmer).Please post the syllabus and sample papers.

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