👉 In programming, a unary operator is an operator that has only one operand and does not have any operands. In other words, it's an operator that can be used directly with an expression without needing to specify its argument or type. Unary operators are often used in arithmetic operations, such as addition, subtraction, multiplication, division, and exponentiation. They can also be used for logical operations, such as AND, OR, NOT, and XOR. The order of the operands is significant; if the
