How are individual units combined in to a single unit?

155

Is Jurassic Park -- Completely impossible?

1746

When Shares Are Allotted to Shareholders at Par What Entry Will Be Passed?

610

How to show table structure mysql?

512

Why do we use non clustered index?

546

Design a divide-by-3 sequential circuit with 50% duty circle now?

656

What are the applications of a.i?

512

What is a web server in client server environment?

542

What is the difference between sorted and ordered collection in hibernate?

309

Tell me about a time you had to deal with an aggressive client. How did you handle it? : insurance cold calling

317

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)

1447

What actually a SQA Tester do in His/ Her first (entry level) Job?

1684

What is interface and abstract class in .net?

549

When Servlet is unloaded?

623

Explain the changes in php versions?

532