数を数えるクラスの実装。
classdef testclass1 < handle
% handle class (<-> value class). When the instance x1
% is assigned to variable x2 (i.e. x2 = x1), reference to
% x1 will be given instead of copy of x1.
properties (SetAccess = private)
counter
end
methods
function CT = testclass1(initial_num)
CT.counter = initial_num;
end
function count(CT, add)
CT.counter = CT.counter + add;
end
function ret = get_counter(CT)
ret = CT.counter;
end
end
end
%
% Running this code directly may cause error.
% After setting current directory to where this code
% is located, type
%
% ts1 = testclass1(100)
%
% Subsequently, you can
%
% ts1.count(20)
%
% Private properties cannot be changed externally
% (i.e. ts1.counter = 200)
%
% class(ts1) ... Class of ts1
% fields(ts1) ... Properties of ts1?
% whos ts1 ... Associated information.
%
% Class name and file name probably must be the same.
%
