public static void main(String[] args) {
// TODO Auto-generated method stub
Multiplication m = new Multiplication();
// m.mul(2, 3);
System.out.println(m.mul(2, 3));
}
public static Equation parse(String input) {
if (input == null) {
throw new NullPointerException("The parameter [input] is null.");
}
String[] sides = input.replace('(', ' ').replace(')', ' ').trim().split("=");
if (sides.length < 2) {
return null;
}
Derivation der = Derivation.parse(sides[0]);
Coefficient c = Coefficient.parse(sides[1]);
if (c != null) {
return new Equation(der, c);
}
Variable v = Variable.parse(sides[1]);
if (v != null) {
return new Equation(der, v);
}
Multiplication mul = Multiplication.parse(sides[1]);
if (mul != null) {
return new Equation(der, mul);
}
Addition add = Addition.parse(sides[1]);
if (add != null) {
return new Equation(der, add);
}
return null;
}
@Override
public PersistentAbsQuantity mul(
final PersistentAbsQuantity factor1, final PersistentAbsQuantity factor2)
throws model.NotComputableException, PersistenceException {
final PersistentMultiplication multi = Multiplication.createMultiplication();
multi.setArg1(factor1);
multi.setArg2(factor2);
multi.calculate();
return multi.getResultt();
}
public static void main(String args[]) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.println("Enter two nos: \n");
int a = Integer.parseInt(br.readLine());
int b = Integer.parseInt(br.readLine());
int ans = Multiplication.multiply(a, b);
System.out.println("My ans: " + ans);
}
@Test
public void tableUpToLimit() {
assertEquals(
"0 x 0 = 0\n"
+ "0 x 1 = 0\n"
+ "0 x 2 = 0\n"
+ "0 x 3 = 0\n"
+ "1 x 0 = 0\n"
+ "1 x 1 = 1\n"
+ "1 x 2 = 2\n"
+ "1 x 3 = 3\n"
+ "2 x 0 = 0\n"
+ "2 x 1 = 2\n"
+ "2 x 2 = 4\n"
+ "2 x 3 = 6\n"
+ "3 x 0 = 0\n"
+ "3 x 1 = 3\n"
+ "3 x 2 = 6\n"
+ "3 x 3 = 9\n",
Multiplication.table(3));
}
@Test
public void tableUpToZero() {
assertEquals("0 x 0 = 0\n", Multiplication.table(0));
}
@Test
public void tableUpToOne() {
assertEquals(
"0 x 0 = 0\n" + "0 x 1 = 0\n" + "1 x 0 = 0\n" + "1 x 1 = 1\n", Multiplication.table(1));
}
