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List and explain the assignment operator in c++.

Question

List and explain the assignment operator in c++.

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Solution

In C++, assignment operators are used to assign values to variables. There are several types of assignment operators:

  1. =: This is the simplest assignment operator. It assigns the value on the right to the variable on the left. For example, int a = 10; assigns the value 10 to the variable a.

  2. +=: This operator adds the value on the right to the variable on the left and then assigns the result to the variable on the left. For example, a += 10; is equivalent to a = a + 10;.

  3. -=: This operator subtracts the value on the right from the variable on the left and then assigns the result to the variable on the left. For example, a -= 10; is equivalent to a = a - 10;.

  4. *=: This operator multiplies the variable on the left by the value on the right and then assigns the result to the variable on the left. For example, a *= 10; is equivalent to a = a * 10;.

  5. /=: This operator divides the variable on the left by the value on the right and then assigns the result to the variable on the left. For example, a /= 10; is equivalent to a = a / 10;.

  6. %=: This operator calculates the remainder of the division of the variable on the left by the value on the right and then assigns the result to the variable on the left. For example, a %= 10; is equivalent to a = a % 10;.

  7. <<=: This operator performs a bitwise left shift on the variable on the left by the number of positions specified on the right and then assigns the result to the variable on the left. For example, a <<= 2; is equivalent to a = a << 2;.

  8. >>=: This operator performs a bitwise right shift on the variable on the left by the number of positions specified on the right and then assigns the result to the variable on the left. For example, a >>= 2; is equivalent to a = a >> 2;.

  9. &=: This operator performs a bitwise AND operation on the variable on the left with the value on the right and then assigns the result to the variable on the left. For example, a &= 10; is equivalent to a = a & 10;.

  10. ^=: This operator performs a bitwise XOR operation on the variable on the left with the value on the right and then assigns the result to the variable on the left. For example, a ^= 10; is equivalent to a = a ^ 10;.

  11. |=: This operator performs a bitwise OR operation on the variable on the left with the value on the right and then assigns the result to the variable on the left. For example, a |= 10; is equivalent to a = a | 10;.

Each of these operators modifies the variable on the left in place, meaning that the original value of the variable is changed.

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