Show Bid Request
modify Fraction program
Bid Request Id: 9170
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Description:
modify the FractionalMath programe so it performes a partial input valdiation . If either fraction does not contian exactly one slash , have the program prompt the user to re-enter the fraction . The program will repeat the prompt as often as necessary until the user enters a string containing one slash.
Deliverables:
enter first fraction: 3/5
enter second fraction: 1/6
sum: 23/30
Difference :13/30
Product:3/30
Quotient 18/15
ALL OPERATIONS ARE THE CALLING OBJECT op F
*****/
import java.io.*;
public class Fraction
{
private int num,
den;
//Two constructor
public Fraction(int n, int d)
{
num = n; //Numerator
den = d; //Denominator
if(den < 0) {
num *= -1;
den *= -1;
}
}
//another constructor
//pass the fraction in the string like "1/2"
public Fraction(String f)
{
int i = 0;
boolean done = false;
while(!done) {
if(f.charAt(i) == '/')
done = true;
else
i++;
}
String n = f.substring(0, i);
String d = f.substring(i+1, f.length());
Integer i1 = new Integer(n);
num = i1.intValue();
Integer i2 = new Integer(d);
den = i2.intValue();
if(den == 0) { den *= -1; num *= -1; }
}
//default constructor
public Fraction()
{
num = 0;
den = 1;
}
////////////////////
//ALL OPERATIONS ARE THE CALLING OBJECT op F
// Fraction f;
// f.sub(f2); is f - f2
///////////////////
public Fraction add(Fraction f) //Add method
{
Fraction sum = new Fraction();
sum.den = den * f.den;
sum.num = num * f.den + f.num * den;
return sum;
}
public Fraction sub(Fraction f) //Subtract method
{
Fraction dif = new Fraction();
dif.den = den * f.den;
dif.num = num * f.den - f.num * den;
return dif;
}
public Fraction mul(Fraction f) //Multiply Method
{
Fraction prod = new Fraction();
prod.den = den * f.den;
prod.num = num * f.num;
return prod;
}
public Fraction div(Fraction f) //Divide method
{
Fraction quot = new Fraction();
quot.den = den * f.num;
quot.num = num * f.den;
return quot;
}
public void display()
{
System.out.print(num);
System.out.print('/');
System.out.print(den);
System.out.print(" ");
}
public static void main(String[] args)
{
Fraction f1, f2;
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
try {
Fraction f3 = new Fraction();
System.out.print("Enter first fraction: "); //First Prompts for the Input X/Y
String tmpstr_f1 = in.readLine();
f1 = new Fraction(tmpstr_f1);
System.out.print("Enter second fraction: "); //Second Prompt X/Y
String tmpstr_f2 = in.readLine();
f2 = new Fraction(tmpstr_f2);
f3 = f1.add(f2);
System.out.print("Sum :"); //Output of Sum
f3.display();
f3 = f1.sub(f2);
System.out.print("\nDifference :"); //Output of Difference
f3.display();
f3 = f1.mul(f2);
System.out.print("\nProduct :"); //Output of Products
f3.display();
f3 = f1.div(f2);
System.out.print("\nQuotent :"); //Output of Quotient
f3.display();
}
catch(IOException e) {
System.out.println("error");
}
}
}
Platform:
window melenium
Additional Files:
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Bidding/Comments:
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| Name |
Bid Amount
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Date |
Coder Rating |
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This bid was accepted by the buyer!
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$8 (USD)
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Feb 20, 2002
2:48:23 PM EDT
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10
(Excellent)
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I can get this done in 1 hr if the given Java code has no bugs :-)
- Kats |
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