/** Glavna metoda */
public static void main(String[] args) {
// Provjeri argumente
if (args.length != 3) {
System.out.println("Koristite: operand1 operator operand2");
System.exit(0);
}
String operand1 = args[0]; // Prvi operand
String operator = args[1]; // Operator
String operand2 = args[2]; // Drugi operand
// Prvi broj
int numerator1 = 0;
int denominator1 = 0;
// Drugi broj
int numerator2 = 0;
int denominator2 = 0;
// Pretvori argumente u brojeve
try { // Prvi broj
numerator1 = Integer.parseInt(operand1.split("/")[0]);
denominator1 = Integer.parseInt(operand1.split("/")[1]);
// Drugi broj
numerator2 = Integer.parseInt(operand2.split("/")[0]);
denominator2 = Integer.parseInt(operand2.split("/")[1]);
} catch (NumberFormatException e) {
System.out.println("Greska u argumentima!");
System.exit(0);
}
// Kreiraj objekte
Rational r1 = new Rational(numerator1, denominator1);
Rational r2 = new Rational(numerator2, denominator2);
// Kreiraj objekat za rezultat
Rational rezultat = new Rational();
// Izracunaj rezultat
switch (operator) {
case "+":
rezultat = r1.add(r2);
break;
case "-":
rezultat = r1.subtract(r2);
break;
case ".":
rezultat = r1.multiply(r2);
break;
case "/":
rezultat = r1.divide(r2);
break;
default:
System.out.println("Neispravan unos!");
System.exit(0);
}
// Ispisi rezultat
System.out.println(operand1 + " " + operator + " " + operand2 + " = " + rezultat);
}
static Rational operate(Rational op1, Rational op2, int operation) {
if (operation == 0) {
return Rational.add(op1, op2);
} else if (operation == 1) {
return Rational.subtract(op1, op2);
} else if (operation == 2) {
return Rational.multiply(op1, op2);
} else {
return Rational.divide(op1, op2);
}
}
public static void main(String args[]) {
enterData();
Rational r1 = new Rational(num1, den1);
Rational r2 = new Rational(num2, den2);
Rational r3 = new Rational();
r3.multiply(r1, r2);
System.out.println(
"\n\n" + r1.getOriginal() + " * " + r2.getOriginal() + " = " + r3.getRational());
r3.divide(r1, r2);
System.out.println(
"\n" + r1.getOriginal() + " / " + r2.getOriginal() + " = " + r3.getRational());
// 100 Point Version Only
r3.add(r1, r2);
System.out.println(
"\n" + r1.getOriginal() + " + " + r2.getOriginal() + " = " + r3.getRational());
r3.subtract(r1, r2);
System.out.println(
"\n" + r1.getOriginal() + " - " + r2.getOriginal() + " = " + r3.getRational());
System.out.println();
}
public static void main(String[] args) {
Rational r1 = new Rational(1, 5); // rational number 1/5
Rational r2 = new Rational(1, 2); // rational number 1/2
r1.multiply(r2); // Multiplies r1 by r2, changes r1 to 1/10 (0.1)
System.out.println(r1);
System.out.println(r1.denominator); // 10
System.out.println(r1.numerator); // 1
System.out.println();
r2.divide(r1); // Divides r2 by r1, changes r2 to 5/1 (5.0)
System.out.println(r2);
System.out.println(r2.denominator); // 2
System.out.println(r2.numerator); // 10
System.out.println();
System.out.println(r2.gcd()); // 2
System.out.println();
r2.reduce();
System.out.println(r2.denominator); // 1
System.out.println(r2.numerator); // 5
System.out.println();
System.out.println(r1.compareTo(r2)); // -1
System.out.println(r2.compareTo(r1)); // 1
System.out.println();
System.out.println(gcd(32, 12)); // 4
System.out.println();
r1.add(r2);
System.out.println(r1); // 5.1
System.out.println();
r2.subtract(r1);
System.out.println(r2); // -0.1
System.out.println();
System.out.println(r1.compareTo(r2)); // 1
System.out.println(r2.compareTo(r1)); // -1
Rational r3 = new Rational(3, 4);
Rational r4 = new Rational(4, 5);
System.out.println();
System.out.println(r3.compareTo(r4)); // -1
System.out.println(r4.compareTo(r3)); // 1
Rational r5 = new Rational(33333333, 100000000);
Rational r6 = new Rational(1, 3);
System.out.println();
System.out.println(r5); // 0.33333333
System.out.println(r6); // 1/3
System.out.println(r5.compareTo(r6)); // 1
System.out.println(r6.compareTo(r5)); // -1
System.out.println("-------------");
System.out.println("-- .equals --");
System.out.println(r3.equals(r4)); // false
Rational re0 = new Rational(0, 10);
Rational re1 = new Rational(0, 3);
System.out.println(re0.equals(re1)); // true
System.out.println(re1.equals(re0)); // true
Rational re2 = new Rational(2, 4);
Rational re3 = new Rational(12, 24);
Rational re4 = new Rational(-12, -24);
System.out.println(re2.equals(re3)); // true
System.out.println(re4.equals(re2)); // true
Rational re5 = new Rational(3, 7);
Rational re6 = new Rational(3, -7);
Rational re7 = new Rational(-3, 7);
System.out.println(re5.equals(re6)); // false
System.out.println(re7.equals(re5)); // false
System.out.println(re6.equals(re7)); // true
}
