What is terminal emulation, in which layer it comes

564

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what will happen and why if i will acess the methods of superclass which is declared as private by a object of same subclass.

1578

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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)

1459

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I want to ensure that once a child record has been added to a master-detail relationship, it cannot be deleted. How can we achieve this using the declarative capability of the platform ?

463

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What is unix language?

505

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What is composer in laravel php?

465

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What makes a sales person good seller?

681

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Can some body help to write possible test cases for a credit card at POS (point of sale)

2343

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Is it possible to sort a column using a column alias?

609

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Problem:Design and implement a class that allows a teacher to track the grades in a single ourse.Include methods that calculate the average grae, the highest grade, and the lowest grade.Wrute a program to testyour class implementation in a c#. given grades:integral=85, physics=87, datastruct=84.

1547

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Explain the disadvantages/limitation of the cursor?

566

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Which class extend the zend controller? Zend_controller_action

131

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What is movements?

493

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Can you install chrome on windows 10 s?

433

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For document clearing what are the customizing prerequisites ?

789

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