/** 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 }