C++\u306e\u30af\u30e9\u30b9\u5b9a\u7fa9\u3092\u5fa9\u7fd2\u3059\u308b\u3002<\/p>\n
\u30af\u30e9\u30b9\u5b9a\u7fa9\u306e\u57fa\u672c\u5f62\u3002<\/p>\n
class Foo\n{\n};\n<\/code><\/pre>\n\u5185\u90e8\u30af\u30e9\u30b9\u3002\u30af\u30e9\u30b9\u5b9a\u7fa9\u306e\u4e2d\u306b\u4ed6\u306e\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3067\u304d\u308b\u3002
\nJava\u3068\u9055\u3044\u3001\u5916\u90e8\u30af\u30e9\u30b9\u3068\u306e\u95a2\u9023\u306f\u306a\u3044\u3002<\/p>\n
class Outer\n{\npublic:\n class Inner\n {\n public:\n void say()\n {\n std::puts(\"Hello\");\n }\n }:\n};\n\nOuter::Inner c;\nc.say();\n<\/code><\/pre>\n\u5185\u90e8\u30af\u30e9\u30b9\u306b\u3088\u304f\u4f3c\u305f\u3082\u306e\u3067\u3001\u7121\u540d\u30af\u30e9\u30b9\u3002
\nC\u8a00\u8a9e\u306e\u7121\u540d\u69cb\u9020\u4f53\u306eC++\u7248\u3002<\/p>\n
class Outer\n{\npublic:\n class\n {\n public:\n void say()\n {\n std::puts(\"Hello\");\n };\n } inner;\n};\n\nOuter c;\nc.inner.say();\n<\/code><\/pre>\n\u30af\u30e9\u30b9\u306f\u95a2\u6570\u5185\u3067\u3082\u5b9a\u7fa9\u3067\u304d\u308b\u3002<\/p>\n
int main(int argc, char* argv[])\n{\n class Outer\n {\n };\n Outer o;\n return 0;\n}\n<\/code><\/pre>\n\u304a\u306a\u3058\u307f\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30af\u30e9\u30b9\u3002<\/p>\n
template<class T>\nclass Foo\n{\npublic:\n T data;\n};\n\nFoo<int> foo;\nfoo.data = 1; \/\/data\u306fint\u578b\u3002\n<\/code><\/pre>\n\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306b\u306f\u3001\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u4ed6\u306b\u3001\u975e\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u3082\u5b9a\u7fa9\u3067\u304d\u308b\u3002
\n\u975e\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u306fint\u3001short\u3001char\u306a\u3069\u306e\u6574\u6570\u5024\u304b\u5217\u6319\u578b\u304c\u4f7f\u3048\u308b\u3002<\/p>\n
template<class T, int size>\nclass Foo\n{\n T data[size];\n};\n\nFoo<int, 10> foo;\n<\/code><\/pre>\n\u5185\u90e8\u30af\u30e9\u30b9\u306b\u3082\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u4f7f\u7528\u3067\u304d\u308b\u3002<\/p>\n
class Outer\n{\npublic:\n template<class T>\n class Inner\n {\n public:\n T data;\n };\n};\n\nOuter::Inner<int> c;\nc.data = 1; \/\/data\u306fint\u578b\n<\/code><\/pre>\n\u5916\u90e8\u30af\u30e9\u30b9\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306f\u3001\u5185\u90e8\u30af\u30e9\u30b9\u306b\u3082\u6709\u52b9\u3002<\/p>\n
template<class T>\nclass Outer\n{\npublic:\n class Inner\n {\n public:\n T data;\n };\n};\n\nOuter<int>::Inner c;\nc.data = 1; \/\/data\u306fint\u578b\n<\/code><\/pre>\n\u3053\u308c\u3092\u4f7f\u3046\u3068\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u5185\u90e8\u30af\u30e9\u30b9\u3092\u4e00\u62ec\u3057\u3066\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n
template<class T>\nclass Outer\n{\npublic:\n class Inner1\n {\n T data;\n };\n class Inner2\n {\n T data;\n };\n class Inner3\n {\n T data;\n };\n};\n<\/code><\/pre>\n\u30d1\u30e9\u30e1\u30fc\u30bf\u5316\u7d99\u627f\u3002\u4e0a\u4f4d\u30af\u30e9\u30b9\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n
template<class SuperClass>\nclass Foo : public SuperClass\n{\n};\n<\/code><\/pre>\n\u30d1\u30e9\u30e1\u30fc\u30bf\u5316\u7d99\u627f\u3092\u4f7f\u3046\u3068\u3001\u67d4\u8edf\u304b\u3064\u5f37\u529b\u306a\u30af\u30e9\u30b9\u8a2d\u8a08\u304c\u3067\u304d\u308b\u3002<\/p>\n
template<class SuperClass>\nclass Employee : public SuperClass\n{\n};\n\ntemplate<class SuperClass>\nclass Customer : public SuperClass\n{\n};\n\ntemplate<class SuperClass>\nclass Shareholder : public SuperClass\n{\n};\n\nclass Person\n{\n};\n\nEmployee<Person> a;\nShareholder<Employee<Person> > b;\nShareholder<Employee<Customer<Person> > > c;\n<\/code><\/pre>\n\u30af\u30e9\u30b9\u306e\u8a2d\u8a08\u60c5\u5831\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u5316\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3002<\/p>\n
struct ConfigA\n{\n typedef int Price;\n};\n\nstruct ConfigB\n{\n typedef double Price;\n};\n\ntemplate<class Config>\nclass Product : public Config\n{\npublic:\n typedef typename Config::Price Price;\n Price price;\n};\n\nProduct<ConfigA> a;\na.price = 1; \/\/price\u306fint\u578b\nProduct<ConfigB> b;\nb.price = 2.3; \/\/price\u306fdouble\u578b\n<\/code><\/pre>\n