WEEKLY REFLECTION 4

_seperti biase,kami diberi rehat selama 1 jam.

-selepas rehat,kami belajar chapter 4 iaitu operators and expressions.

-kami belajar ARITHMETIC OPERATORS,RELATIONAL OPERATORS,LOGICAL OPERATORS DAN ASSISMENT OPERATORS.

-Pn.Ayuni memberi kami exercise dan kami diberi tempoh selama 45 minit untuk menyiapkannya.

 - setiap group hendaklah menyiapkannya dan setiap wakil ahli group prelu membuat jawapan didepan.


CHAPTER 4 OPERATORS AND EXPRESSIONS.

4.1 Operators

-   C++ is very rich in built-in operators.

-  Operators triggers some computations when applied to operands in an expression.

- The commonly use operators are as follows :-

    a) Arithmetic Operators

    b) Relational Operators

    c) Logical Operators

    d) Assignment Operators

- Table 4-1 shows the commonly use operators in C++ programming language.

Arithmetic Operators	Relational Operators	Logical Operators	Assignment Operators
+	>	&&	=
-	<	||
*	>=	!
/	<=
%	==

INCREMENT AND DECREMENT OPERATOR

- Increment  -  Pro-increment   (++N)

                    - Post-increment  (N++)

- Decrement  - Pro- decrement   (--N)

                      - Post-decrement   (N--)

- For Example :-

 Int n ;                                                                            Int n ;

n = 5                                                                              N=5

cout << n, 5                                                                   cout << n, 5

cout << ++N ; 1+5 =6                                                    cout << N++ ;

cout << N ; 6                                                                 cout<< n ;  

Int M;                                                                                      Int M ;       

M= 9                                                                              M = 10

         

Cout << m; 9                                                                 cout << m ; 10

Cout << --M ; 8                                                             cout << M-- ; 10-1 =9

Cout << M ; 8                                                                cout << M ; 9

LOGICAL OPERATING

M	N	M&&N	M||N
0	0	0	0
1	0	0	1
0	1	0	1
1	1	1	1

!(M&&N)	!(M||N)	!M	!N
1	1	1	1
1	0	1	0
1	0	0	1
0	0	0	0

! (M&&N) && (M||N)	!(M) || !(N)
1	1
0	1
0	1
0	0

For Example :-

++ a + --b * 4  > ++n  && p++ + q-- * 4 < x++ + 4

= 3 + 2 * 4 > 3* 2 + 4 &&      3 + 2 * 4 < 3 * 2 + 4

= 3 + 8 > 6 + 4            &&      3 + 8 < 6 + 4

= 11 > 10                     &&      11 < 10

=    1                            &&           0

                                      0