DCT1083 Programming Fundamentals : Chapter 1 Exercise

A. State whether the following are valid identifiers or invalid identifier. If the identifier names are valid, state why.

(example) 1m234 - invalid: begins with a number

power                          Valid; mnemonic

add_5                          Valid; mnemonic

a2b3c4d5                    Valid; not mnemonic

abcd                            Valid; not mnemonic                 

return                                Invalid; C++ keyword

123435                        Invalid; begins with a number

amount                        Valid; mnemonic

1A2345                        Invalid; begins with a number

while                          Invalid; C++ keyword

int                              Invalid; C++ keyword

$taxes                        Invalid; begins with a special character

 

contoh jawapan untuk soalan 2 (b).

#include

using namespace std;

int main()

{

  cout << "The time has come.";

  return 0;

}