Write a client program that allows the user to add up any number of non-zero fractions. The program should display the running total as an exact fraction (in simplified form as numerator / denominator), and as an approximate double value. The user can finish by entering a fraction that represents a zero fraction import java.util.ArrayList; import java.util.Scanner; //Define the class Fraction class Fraction { private int n, d; public Fraction() { //Initialize the values this.n = this.d = 0; } public Fraction(int n, int d) { //Initialize the variables this.n = n; this.d = d; } //Define the getter function getNum() that returns the numerator public int getNum() { //Returns numerator return n; } //Define the getter function getDen() that returns the denominator public int getDen() { //Returns denominator return d; } //Define the boolean function isZero() that returns 0 if numerator is 0 and denominator is not equals to zero public boolean isZero() { return(getNum() == 0 && getDen() != 0); } public boolean isequals(Object c) { Fraction f = (Fraction) c; return(Integer.compare(n,f.n))==0 && (Integer.compare(d,f.d)==0); } //Define the function getSimplifiedFraction() that returns the simplified fraction public String getSimplifiedFraction() { //Decalre the string variable result to store the result String result = ""; //if the numerator and denominator both are zero if(getNum() == 0 && getDen() == 0) //result is zero result = "0"; //if the numerator is zero and denominator is non-zero else if(isZero()) //result is zero result = "0"; //if the numerator is non-zero and denominator is zero else if(getNum() != 0 && getDen() == 0) //result is Undefined result = "Undefined"; //for a defined and non-zero fraction else { //if the remainder is zero if(getNum() % getDen() == 0) result = (getNum() / getDen()) + ""; //if the numerator and denominator both are greater than zero else if(getNum() < 0 && getDen() < 0) result = (getNum() * -1) + "/" + (getDen() * -1); //if any of them is zero else if(getNum() < 0 || getDen() < 0) { //if the numerator is greater than zero if(getNum() < 0) result = "-" + (getNum() * -1) + "/" + getDen(); // appending a sign. //if the denominator is zero else result = "-" + getNum() + "/" + (getDen() * -1); // appending a sign. } //both are non-zero else result = (getNum() + "/" + getDen()); } //return the result return result; } //Define the method display() that displays the resultant fraction public void display() { //Call and display the fraction System.out.println(getSimplifiedFraction()); } public Fraction add(Fraction rhs) { Fraction sum = new Fraction(); sum.d = d * rhs.d; sum.n = n * rhs.d + d * rhs.n; sum.simplify(); return sum; } private void simplify() { int a,b; if(Math.abs(n) > Math.abs(d)) { a = Math.abs(n); b = Math.abs(d); } else { a = Math.abs(d); b = Math.abs(n); } int r = a%b; while(r != 0) { a = b; b = r; r = a%b; } //divide numerator and denominator by b n /= b; d /= b; } } //Define the class TestFraction class TestFraction { //Define the main method public static void main(String[] args) { //Declare the variables to store the numerator and denominator String res; int num, den, num1, den1; //Declare an ArrayList to store the results ArrayList fractions = new ArrayList<>(); //Create the object for scanner class Scanner sc = new Scanner(System.in); //use the do-while loop to iterate test the conditions do { //Prompts the user to enter the numerator System.out.print("Enter the num: "); //Store the Integer part only num = Integer.parseInt(sc.nextLine().trim()); //If the numerator is less than zero if(num < 0) //Break from loop break; //Prompts the user to enter the denominator System.out.print("Enter the den: "); //store the integer part only den = Integer.parseInt(sc.nextLine().trim()); //Create the object of Fraction class Fraction fraction = new Fraction(num, den); System.out.print("Enter the num to compare: "); num1 = Integer.parseInt(sc.nextLine().trim()); if(num1 < 0) break; System.out.print("Enter the den to compare: "); den1 = Integer.parseInt(sc.nextLine().trim()); Fraction fraction1 = new Fraction(num1, den1); if(fraction1.isequals(fraction)) { System.out.println("\nTrue-> Second fraction is equal to First Fraction"); } else System.out.println("\nFalse-> Second fraction is not equal to First Fraction"); // if isequal() returns zero. //Add the resultant fractions into the ArrayList fractions.add(fraction); //Display the resultant fraction res = fraction.getSimplifiedFraction(); System.out.println("Fraction added to list as: " + res + "\n"); //result is stored in ‘res’ variable }while(res != "0"); //Display all fractions that are stored in the ArrayList System.out.println("\nDISPLAYING ALL FRACTIONS:\n" + "-------------------------"); //Use the loop to display the values stored in the ArrayList for(Fraction fr : fractions) fr.display(); //to print the new line System.out.println(); sc.close(); Fraction f = new Fraction(4, 8); System.out.println("1st fraction: "); f.display(); Fraction fc = new Fraction(8, 24); System.out.println("2nd fraction: "); fc.display(); Fraction res1 = f.add(fc); System.out.println("Sum: "); res1.display(); } }
Write a client program that allows the user to add up any number of non-zero fractions. The program should display the running total as an exact fraction (in simplified form as numerator / denominator), and as an approximate double value. The user can finish by entering a fraction that represents a zero fraction
import java.util.ArrayList;
import java.util.Scanner;
//Define the class Fraction
class Fraction
{
private int n, d;
public Fraction()
{
//Initialize the values
this.n = this.d = 0;
}
public Fraction(int n, int d)
{
//Initialize the variables
this.n = n;
this.d = d;
}
//Define the getter function getNum() that returns the numerator
public int getNum()
{
//Returns numerator
return n;
}
//Define the getter function getDen() that returns the denominator
public int getDen()
{
//Returns denominator
return d;
}
//Define the boolean function isZero() that returns 0 if numerator is 0 and denominator is not equals to zero
public boolean isZero()
{
return(getNum() == 0 && getDen() != 0);
}
public boolean isequals(Object c)
{
Fraction f = (Fraction) c;
return(Integer.compare(n,f.n))==0 && (Integer.compare(d,f.d)==0);
}
//Define the function getSimplifiedFraction() that returns the simplified fraction
public String getSimplifiedFraction()
{
//Decalre the string variable result to store the result
String result = "";
//if the numerator and denominator both are zero
if(getNum() == 0 && getDen() == 0)
//result is zero
result = "0";
//if the numerator is zero and denominator is non-zero
else if(isZero())
//result is zero
result = "0";
//if the numerator is non-zero and denominator is zero
else if(getNum() != 0 && getDen() == 0)
//result is Undefined
result = "Undefined";
//for a defined and non-zero fraction
else
{
//if the remainder is zero
if(getNum() % getDen() == 0)
result = (getNum() / getDen()) + "";
//if the numerator and denominator both are greater than zero
else if(getNum() < 0 && getDen() < 0)
result = (getNum() * -1) + "/" + (getDen() * -1);
//if any of them is zero
else if(getNum() < 0 || getDen() < 0)
{
//if the numerator is greater than zero
if(getNum() < 0)
result = "-" + (getNum() * -1) + "/" + getDen(); // appending a sign.
//if the denominator is zero
else
result = "-" + getNum() + "/" + (getDen() * -1); // appending a sign.
}
//both are non-zero
else
result = (getNum() + "/" + getDen());
}
//return the result
return result;
}
//Define the method display() that displays the resultant fraction
public void display()
{
//Call and display the fraction
System.out.println(getSimplifiedFraction());
}
public Fraction add(Fraction rhs) {
Fraction sum = new Fraction();
sum.d = d * rhs.d;
sum.n = n * rhs.d + d * rhs.n;
sum.simplify();
return sum;
}
private void simplify()
{
int a,b;
if(Math.abs(n) > Math.abs(d))
{
a = Math.abs(n);
b = Math.abs(d);
}
else
{
a = Math.abs(d);
b = Math.abs(n);
}
int r = a%b;
while(r != 0)
{
a = b;
b = r;
r = a%b;
}
//divide numerator and denominator by b
n /= b;
d /= b;
}
}
//Define the class TestFraction
class TestFraction
{
//Define the main method
public static void main(String[] args)
{
//Declare the variables to store the numerator and denominator
String res;
int num, den, num1, den1;
//Declare an ArrayList to store the results
ArrayList<Fraction> fractions = new ArrayList<>();
//Create the object for scanner class
Scanner sc = new Scanner(System.in);
//use the do-while loop to iterate test the conditions
do
{
//Prompts the user to enter the numerator
System.out.print("Enter the num: ");
//Store the Integer part only
num = Integer.parseInt(sc.nextLine().trim());
//If the numerator is less than zero
if(num < 0)
//Break from loop
break;
//Prompts the user to enter the denominator
System.out.print("Enter the den: ");
//store the integer part only
den = Integer.parseInt(sc.nextLine().trim());
//Create the object of Fraction class
Fraction fraction = new Fraction(num, den);
System.out.print("Enter the num to compare: ");
num1 = Integer.parseInt(sc.nextLine().trim());
if(num1 < 0)
break;
System.out.print("Enter the den to compare: ");
den1 = Integer.parseInt(sc.nextLine().trim());
Fraction fraction1 = new Fraction(num1, den1);
if(fraction1.isequals(fraction))
{
System.out.println("\nTrue-> Second fraction is equal to First Fraction");
}
else
System.out.println("\nFalse-> Second fraction is not equal to First Fraction"); // if isequal() returns zero.
//Add the resultant fractions into the ArrayList
fractions.add(fraction);
//Display the resultant fraction
res = fraction.getSimplifiedFraction();
System.out.println("Fraction added to list as: " + res + "\n"); //result is stored in ‘res’ variable
}while(res != "0");
//Display all fractions that are stored in the ArrayList
System.out.println("\nDISPLAYING ALL FRACTIONS:\n" + "-------------------------");
//Use the loop to display the values stored in the ArrayList
for(Fraction fr : fractions)
fr.display();
//to print the new line
System.out.println();
sc.close();
Fraction f = new Fraction(4, 8);
System.out.println("1st fraction: ");
f.display();
Fraction fc = new Fraction(8, 24);
System.out.println("2nd fraction: ");
fc.display();
Fraction res1 = f.add(fc);
System.out.println("Sum: ");
res1.display();
}
}
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