//PROGRAM 3-1 class DemoAritmetikaDasar { public static void main(String[] args) { System.out.println("Operasi aritmetika " + "pada tipe integer"); int a = 2 + 1; int b = a - 1; int c = a * b; int d = c / 3; int e = -a; System.out.println("Nilai a: " + a); System.out.println("Nilai b: " + b); System.out.println("Nilai c: " + c); System.out.println("Nilai d: " + d); System.out.println("Nilai e: " + e); System.out.println(); System.out.println("Operasi aritmetika " + "pada tipe floating-point"); double fa = 2 + 1; double fb = fa - 1; double fc = fa * fb; double fd = fc / 3; double fe = -a; System.out.println("Nilai fa: " + fa); System.out.println("Nilai fb: " + fb); System.out.println("Nilai fc: " + fc); System.out.println("Nilai fd: " + fd); System.out.println("Nilai fe: " + fe); } }