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Revision48 (tree)
Time2015-10-01 12:19:15
Authorbellyoshi

Log Message

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Change Summary

Incremental Difference

--- TeachYourSelf/myclassinit.cpp (nonexistent)
+++ TeachYourSelf/myclassinit.cpp (revision 48)
@@ -0,0 +1,25 @@
1+#include <iostream>
2+using namespace std;
3+
4+class myclass {
5+ int x;
6+public:
7+ myclass(){x = 0;}
8+ myclass(int n){x = n;}
9+ int getx(){return x;}
10+};
11+
12+int main()
13+{
14+ myclass o1[10];
15+ myclass o2[10] = {1,2,3,4,5,6,7,8,9,10};
16+
17+ for(int i = 0; i < 10; i++){
18+ cout << "o1[" << i << "]: " << o1[i].getx();
19+ cout << "\n";
20+ cout << "o2[" << i << "]: " << o2[i].getx();
21+ cout << "\n";
22+ }
23+
24+ return 0;
25+}
\ No newline at end of file
--- TeachYourSelf/dateclass.cpp (nonexistent)
+++ TeachYourSelf/dateclass.cpp (revision 48)
@@ -0,0 +1,33 @@
1+#include <iostream>
2+#include <cstdio>
3+using namespace std;
4+
5+class date {
6+ int day, month , year;
7+public:
8+ date(char *str);
9+ date(int m,int d, int y){
10+ day = d;
11+ month = m;
12+ year = y;
13+ }
14+ void show(){
15+ cout << month << '/' << day << '/';
16+ cout << year << "\n";
17+ }
18+};
19+date::date(char *str)
20+{
21+ sscanf(str, "%d%*c%d%*c%d", &month, &day, &year);
22+}
23+
24+int main()
25+{
26+ date sdate("12/31/99");
27+ date idate(12,31,99);
28+
29+ sdate.show();
30+ idate.show();
31+
32+ return 0;
33+}
\ No newline at end of file
--- TeachYourSelf/strtypecon.cpp (nonexistent)
+++ TeachYourSelf/strtypecon.cpp (revision 48)
@@ -0,0 +1,61 @@
1+#include <iostream>
2+#include <cstring>
3+#include <cstdlib>
4+using namespace std;
5+
6+class strtype {
7+ char *p;
8+ int len;
9+public:
10+ strtype();
11+ strtype(char *ptr,int bytes);
12+ ~strtype();
13+ void show();
14+ char *getstring(){return p;}
15+ char getlength(){return len;}
16+};
17+
18+strtype::strtype(char *ptr,int bytes)
19+{
20+ len = bytes;
21+ p = new char[len];
22+ if (!p){
23+ cout << "メモリ割り当てエラー\n";
24+ exit(1);
25+ }
26+ strncpy(p, ptr, len);
27+}
28+strtype::strtype()
29+{
30+ len = 255;
31+ p = new char[len];
32+ for(int i = 0;i < len; i++)
33+ {
34+ p[i] = '\0';
35+ }
36+}
37+
38+strtype::~strtype()
39+{
40+ cout << "pを解放する。\n";
41+ delete p;
42+}
43+
44+
45+void strtype::show()
46+{
47+ cout << p << "-長さ:" << len << "\n";
48+}
49+
50+int main()
51+{
52+ strtype s1("This is a test.",10), s2("I like C++.",5),s3;
53+ s1.show();
54+ s2.show();
55+ s3.show();
56+ cout << s1.getstring() << "\n";
57+ cout << s2.getstring() << "\n";
58+ cout << s3.getstring() << "\n";
59+
60+ return 0;
61+}
\ No newline at end of file
--- TeachYourSelf/myclassarray.cpp (nonexistent)
+++ TeachYourSelf/myclassarray.cpp (revision 48)
@@ -0,0 +1,26 @@
1+#include <iostream>
2+using namespace std;
3+
4+class myclass {
5+ int x;
6+public:
7+ myclass(){x = 0;}
8+ myclass(int n){x = n;}
9+ int getx(){return x;}
10+ void setx(int n){x = n;}
11+};
12+
13+int main()
14+{
15+ myclass *p;
16+ myclass ob(10);
17+
18+ p = new myclass[10] {1,2,3,4,5,6,7,8,9,10};
19+
20+ for(int i = 0; i < 10; i++){
21+ cout << "p[" << i << "]: " << p[i].getx();
22+ cout << "\n";
23+ }
24+
25+ return 0;
26+}
\ No newline at end of file
--- TeachYourSelf/o1.cpp (nonexistent)
+++ TeachYourSelf/o1.cpp (revision 48)
@@ -0,0 +1,21 @@
1+#include <iostream>
2+using namespace std;
3+
4+class myclass {
5+ int x;
6+public:
7+ myclass(){x = 0;}
8+ myclass(int n){x = n;}
9+ int getx(){return x;}
10+};
11+
12+int main()
13+{
14+ myclass o1(10);
15+ myclass o2;
16+
17+ cout << "o1: " << o1.getx() << "\n";
18+ cout << "o2: " << o2.getx() << "\n";
19+
20+ return 0;
21+}
\ No newline at end of file