回答編集履歴
3
ソース追記
test
CHANGED
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@@ -5,3 +5,63 @@
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5
5
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int [][] a = {{0,0,0,0},{0,0,0,0},{0,0,0,0}};
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6
6
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7
7
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参考：[Java配列の初期化大辞典!](https://engineer-club.jp/java-array-initialization)
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8
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+
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9
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+
・・・追記・・・
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10
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+
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11
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+
```java
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12
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+
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13
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+
public static void main(String[] args) {
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14
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+
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15
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+
// TODO code application logic here
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16
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+
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17
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+
int [][] a = {{0,0,0,0},{0,0,0,0},{0,0,0,0}};
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18
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+
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19
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+
// TODO code application logic here
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20
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+
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21
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+
for (int[] a1 : a) {
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22
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+
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23
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+
for(int x: a1){
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24
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+
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25
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+
System.out.println(x);
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26
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+
|
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27
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+
}
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|
28
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+
|
|
29
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+
}
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|
30
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+
|
|
31
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+
}
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|
32
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+
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|
33
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+
```
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34
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+
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35
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+
結果
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|
36
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+
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|
37
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+
```text
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|
38
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+
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|
39
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+
run:
|
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40
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+
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|
41
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+
0
|
|
42
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+
|
|
43
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+
0
|
|
44
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+
|
|
45
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+
0
|
|
46
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+
|
|
47
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+
0
|
|
48
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+
|
|
49
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+
0
|
|
50
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+
|
|
51
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+
0
|
|
52
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+
|
|
53
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+
0
|
|
54
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+
|
|
55
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+
0
|
|
56
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+
|
|
57
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+
0
|
|
58
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+
|
|
59
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+
0
|
|
60
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+
|
|
61
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+
0
|
|
62
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+
|
|
63
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+
0
|
|
64
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+
|
|
65
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+
BUILD SUCCESSFUL (total time: 0 seconds)
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66
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+
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|
67
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+
```
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2
誤記修正
test
CHANGED
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@@ -2,6 +2,6 @@
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2
2
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3
3
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宣言＋初期化
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4
4
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5
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-
int
|
|
5
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+
int [][] a = {{0,0,0,0},{0,0,0,0},{0,0,0,0}};
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|
6
6
|
|
|
7
7
|
参考：[Java配列の初期化大辞典!](https://engineer-club.jp/java-array-initialization)
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1
追記
test
CHANGED
|
@@ -1 +1,7 @@
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1
1
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int a[][] = [3][4];→int [][] a= new int[3][4];
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2
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+
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|
3
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+
宣言＋初期化
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|
4
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+
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|
5
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+
int a[][] = {{0,0,0,0},{0,0,0,0},{0,0,0,0}};
|
|
6
|
+
|
|
7
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+
参考：[Java配列の初期化大辞典!](https://engineer-club.jp/java-array-initialization)
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