As you know we can define a state variable using these 2 keywords: constant , immutable, or we don’t write anything about mutability.address public ownerOne; address public immutable ownerTwo; address public constant ownerThree; Let’s look at their differences:constant: If you use this keyword, you can’t change the state variable in the contract. You have to define the variable hard-coded.immutable: If you use this keyword, you have to define the variable in the constructor. After than, you c...

As you know we can define a state variable using these 2 keywords: constant , immutable, or we don’t write anything about mutability.address public ownerOne; address public immutable ownerTwo; address public constant ownerThree; Let’s look at their differences:constant: If you use this keyword, you can’t change the state variable in the contract. You have to define the variable hard-coded.immutable: If you use this keyword, you have to define the variable in the constructor. After than, you c...