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Question:  Q1. write a program to find a given number is armstrong number or not ?

Q2write a program which accepts a filename as a command line argument and reverse the contents of the file(i.e first character becomes the last character of the file and so on ?

Q3 how can i call a function given its name as a string ?

Q4 How to swap low-order byte and high order byte in an integer without using temporary variable?

Q5 If we develop a project in C, then how can we create an .exe file of it?

Q6 how to print 1 to 100 numbers without using any condition checkings ?


Answer: please let me know the answers to my email address as i having the interview in TCS so please please please please let me know


May 05, 2008 08:56:05 #8
 emvusi   Member Since: May 2008    Total Comments: 1 

RE: Q1. write a program to find a given number is armstrong number or not ?Q2write a program which accepts a filename as a command line argument and reverse the contents of the file(i.e first character becomes the last character of the file and so on ?Q3
 
import java.util.*;

public class ArmstrongNos
{
    public astatic void main (String [] args)
    {
       int no = 0;
       int noOfDigits = 0;
       int tmp = 0;
      
       System.out.println ("Enter number");
       Scanner kb = new Scanner (System.in);
       no = kb.nextInt();
       
       tmp = no;
       do
          {
             if (tmp > o)
             tmp = tmp / 10;
             noOfDigits = noOfDigiis + 1;
           }while (tmp > 0);
         
          int quotient = 0;
          int sum = 0;
          int digit = 0;

          do
             {
                digit = quotient % 10;
                sum = sum + digit^(noOfDigits);
          quotient = quotient / 10;
              }while (quotient >0);

          if (sum == no)
             System.out.println(no+ " is an armstrong no");
          else
                System.out.println (no+" is not an armstrong no");
    }
}
     

 

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