How to check the LM324 Ic

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What is ISDN's history?

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What is Web Server clustering?

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Pls.tell me some website name who display practical question & answers of accounting work. like tds, service tax entry and some more. also provide important knowledge of all taxes.

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In a traditional automotive plant emphasis is on reducing cost by producing more. give points to show that this leads to behaviours that discourage stopping the line to fix problem.

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172.116.0.0 is a private address - for 120 subnets how many bits does one borrow from the HOST bits

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it is possible to check the fail safe condition in pressure transmitter. if possible how?

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while creating requisitions i am unable to see the list of organisation can anyone help me out ?

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Explain the salary format of different level of employees?

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What is payroll area

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How do I mimic a toggle button?

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If you run hive as a server, what are the available mechanism for connecting it from application?

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How can I create a VBX?

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-What do you think about unit testing? -How do you assure quality of the code you release? -How do you release software?

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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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