CS506 assignment 1 solution fall 2011

CS506 assignment 1 solution fall 2011

SAVE THIS FILE IN .JAVA FORMAT



import java.io.*;
import java.util.*;
import javax.swing.*;

public class assignment1{

public static void main( String args[] ){

try{
FileReader fr = null;
BufferedReader br = null;

 fr = new FileReader ("input.txt");
 br = new BufferedReader (fr);
String line = br.readLine();

double sum =0 ;


while (line != null) {
double num = Double.parseDouble(line);
sum += num;
line = br.readLine();
}

JOptionPane.showMessageDialog(null, "Sum = " + sum);
br.close();
fr.close();
}
catch(NumberFormatException nfEx) {
 System.out.println(nfEx);
}
catch(FileNotFoundException fnfEx){
 System.out.println(fnfEx);
}
catch(IOException ioEx){
 System.out.println(ioEx);
}
}
}

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