回答編集履歴
1
再帰呼出し関数をひとつにするコードを追加
test
CHANGED
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@@ -43,3 +43,63 @@
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43
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}
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```
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46
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47
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**追記**
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48
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49
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再帰呼出しの関数を 1つにすることもできます。
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50
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51
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```Java
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52
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53
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class Main {
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54
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55
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public static void main(String[] args) {
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56
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57
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int[][] numbers = {{1, 2, 3}, {4, 5}, {6}};
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58
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func(numbers, 0, 0);
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60
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61
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}
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62
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63
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64
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65
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static void func(int[][] a, int i, int j) {
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66
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67
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if (i >= a.length) return;
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68
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69
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int n = a[i].length;
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70
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71
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if (j < n) {
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72
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73
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System.out.printf(j == n-1 ? "%d%n" : "%d ", a[i][j]);
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74
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75
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func(a, i, j+1);
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76
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}
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78
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79
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else func(a, i+1, 0);
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80
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81
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}
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82
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83
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}
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84
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85
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```
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86
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87
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でも、やっぱり deepToString の出力を正規表現で編集するのが簡単でしょう。
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88
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```Java
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90
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class Main {
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92
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public static void main(String[] args) {
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94
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int[][] numbers = {{1, 2, 3}, {4, 5}, {6}};
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96
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System.out.printf(java.util.Arrays.deepToString(numbers)
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98
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99
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.replaceAll("], |]]", "\n").replaceAll("\[|,", ""));
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100
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101
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}
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102
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103
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}
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104
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105
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```
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