second_class.dart

void main() {
  // Imutability - final and const
  // const variables should be initialized while declaring in complie time.
  // final variables can be initialized during runtime.
  // Both final and const variables can only be set once, (i.e cannot be reassigned)

  // Operators
  // Arithmetic - + , - , * , / , %, ++, --
  // Logical - && || !
  // comparison - < , >, ==, !=, <=, >=
  // equality - =

//   int a = 1 + 1;
//   int b = a + 2;
//   int c = a + b;

//   bool test = 5 < 10;

  // Logical - && (AND) ||(OR) !(NOT)

  int a = 10, b = 10, c = 30, d = 40;

//   print(d < a || c < a);

  // && - return true if both sides are true
  // || - return true if any of the side is true

//   print(a < b);
//   print(a > b);
//   print(a == b);
//   print(a != b);
//   print(!(a<=b));

  // Task Notes for ++num and num++
  // Notes for operator precedence
  int num = 0, num1 = 0;

  int test = num++;

  int test2 = ++num1;

//   print(test);
//   print(test2);
  
  test = test + 2;
  
//   test%=2;
  
  // overriding operator precedence using brackets
  double value = ((10 + 5) / 20) * (3 % 5);
  print(value);
  
  print(5 / 20);
  
}