回答編集履歴
3
修正
test
CHANGED
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@@ -35,7 +35,7 @@
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35
35
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members[0].number = 1;
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36
36
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members[0].favoriteSub[0] = "国語";
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37
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members[0].favoriteSub[1] = "社会";
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38
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-
members[0].favoriteSub[
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38
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+
members[0].favoriteSub[2] = "";
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39
39
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//(ry
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40
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members[1] = new Member();
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41
41
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members[1].name = "鈴木";
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2
修正
test
CHANGED
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@@ -30,14 +30,14 @@
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30
30
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31
31
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Member members[] = new Member[10];
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32
32
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33
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-
members[0] = new Member
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33
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+
members[0] = new Member();
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34
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members[0].name = "田中";
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35
35
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members[0].number = 1;
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36
36
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members[0].favoriteSub[0] = "国語";
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37
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members[0].favoriteSub[1] = "社会";
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members[0].favoriteSub[1] = "";
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39
39
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//(ry
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40
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-
members[1] = new Member
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40
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+
members[1] = new Member();
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41
41
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members[1].name = "鈴木";
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42
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members[1].number = 2;
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43
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members[1].favoriteSub[0] = "国語";
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1
追加
test
CHANGED
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@@ -1,3 +1,50 @@
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1
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+
c と java で同じように書くと
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2
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+
```c
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3
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#define CNT_MAX 10
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4
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typedef struct {
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5
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char *name;
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6
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int number;
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7
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char *favoriteSub[CNT_MAX];
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8
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} Member;
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9
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+
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10
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Member members[10];
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11
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+
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12
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members[0].name = "田中";
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13
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members[0].number = 1;
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14
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+
members[0].favoriteSub[0] = "国語";
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15
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+
members[0].favoriteSub[1] = "社会";
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16
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members[0].favoriteSub[2] = "";
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17
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//(ry
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18
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members[1].name = "鈴木";
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19
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members[1].number = 2;
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20
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members[1].favoriteSub[0] = "国語";
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21
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//(ry
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22
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```
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23
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```java
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24
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static final int CNT_MAX = 10;
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25
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class Member {
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26
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String name; //名前
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27
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int number; //出席番号
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28
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String favoriteSub[] = new String[CNT_MAX]; //得意科目
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29
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}
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30
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+
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31
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Member members[] = new Member[10];
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32
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+
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33
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members[0] = new Members();
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34
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members[0].name = "田中";
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35
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members[0].number = 1;
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36
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members[0].favoriteSub[0] = "国語";
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37
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members[0].favoriteSub[1] = "社会";
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38
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+
members[0].favoriteSub[1] = "";
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39
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//(ry
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40
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members[1] = new Members();
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41
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members[1].name = "鈴木";
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42
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members[1].number = 2;
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43
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members[1].favoriteSub[0] = "国語";
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44
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//(ry
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45
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```
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46
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---
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47
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+
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1
48
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コードが java になっても考え方が c のままのようです。
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2
49
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少なくとも Member の FavoriteSub が FavoriteSub[]; のままでは無く。必要な大きさを持つ配列を設定しておく必要があります。
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3
50
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また、入るデータがオブジェクト毎に異なるのであれば、空白を入れての配列では無く List を用いるのが良いと思います。
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