C++ Operators

C++ Operators

ຕົວດຳເນີນການ

C++ Operators

Operators are used to perform operations on variables and values.

In the example below, we use the + operator to add together two values:

Fill in the Blank

ໃຫ້ສ້າງຕົວປ່ຽນເພື່ອລວມ ຄ່າທັງສອງເຂົ້ານຳກັນ ເຊິ່ງຄ່າທີ່ 1 ແມ່ນ 20 ແລະ ຄ່າທີ່ 2 ແມ່ນ 10 ໂດຍຊື່ຕົວປ່ຽນຂອງເຮົາແມ່ນ y

C++ Operators

Although the + operator is often used to add together two values, like in the example above, it can also be used to add together a variable and a value, or a variable and another variable:

Arithmetic Operators

• +

• -

• *

• /

• %

• ++

• --

Fill in the Blank

ຈົ່ງຂຽນ operator ທີ່ມັກມາ 1 ອັນ

C++ Assignment Operators

• =

• +=

• -=

• *=

• /=

• %=

• &=

Multiple Choice

ຂໍ້ໃດຕໍ່ໄປນີ້ ບໍ່ແມ່ນ Assignment Operators

• +=

• *=

• /

• -=

Comparison Operators

Comparison operators are used to compare two values.

Note: The return value of a comparison is either true (1) or false (0).

In the following example, we use the greater than operator (>) to find out if 5 is greater than 3:

Fill in the Blank

ຈົ່ງຂຽນ Comparison Operators ເພື່ອປຽບທຽບ ຄ່າຂອງຕົວປ່ຽນຕໍ່ໄປນີ້

int a=10, b=20;

C++ Logical Operators

• &&

• ||

• !

Fill in the Blank

ຈົ່ງຂຽນ Logical Operators ທີ່ຕົວເອງມັກມາ 1 ຕົວ

Poll

ໃຫ້ຄະແນນກັບຫົວຂໍ້ Operators

• ງ່າຍ

• ທຳມະດາ

• ຍາກ

• ຍາກຫຼາຍ