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contracts...12_InheritanceConstructors.sol

pragma solidity 0.5.11;

contract A {
    string public name;

    constructor(string memory _name) public {
        name = _name;
    }
}

contract AA {
    string public text;

    constructor(string memory _text) public {
        text = _text;
    } 
}

contract B is A("Contract B"), AA("Contract BAA") {
}

contract C is A, AA {
    constructor() A("Contract C") AA("Contract CAA") public {

    }
}

contract D is A, AA {
    constructor(string memory _name, string memory _text) A(_name) AA(_text) public {

    }
}