Override Method

override.sol

pragma solidity ^0.5.0;

contract ObjectOriented {
    event Debug(string msg);
    
    constructor() public {
    }
    
    // Base method with two parameters
    function A(address _addr, uint256 _value) public returns(uint256) {
        assert(_addr == _addr);
        emit Debug("Complete Params Methods Call");
        return _value;
    }
    
    // Sugar method that doesnt require address parameter
    function A(uint256 _value) public returns(uint256) {
        emit Debug("Encapsulated Method call");
        return A(address(this), _value);
    }   
}

contract Client is ObjectOriented {
    
    function A(uint256 _value) public returns(uint256) {
        return super.A(_value);
    }
    
    function A(address _addr, uint256 _value) public returns(uint256) {
        return super.A(_addr, _value);
    }
    
}