pragma solidity ^0.5.0;

contract MyFirstContract{
    string private name;
    uint private age;

    function setName(string newName) public{
        name=newName;
    }
    function getName()public view returns(string){
        return name;
    }

    function setAge(uint newAge) public{
        age=newAge;
    }
    function getAge()public view returns(uint){
        return age;
    }

}

browser/MyFirstContract.sol:7:22: TypeError: Data location must be "memory" for parameter in function, but none was given.
    function setName(string newName) public{
                     ^------------^

browser/MyFirstContract.sol:10:43: TypeError: Data location must be "memory" for return parameter in function, but none was given.
    function getName()public view returns(string){
                                          ^----^