回答編集履歴
2
修正
test
CHANGED
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@@ -12,7 +12,7 @@
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12
12
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13
13
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int [][] numbers = {{1, 2, 3}, {4, 5}, {6}};
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14
14
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15
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-
var
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15
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+
var result = Arrays.stream(numbers)
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16
16
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17
17
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.map( xs ->
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18
18
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@@ -28,7 +28,7 @@
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28
28
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29
29
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30
30
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31
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-
System.out.println(
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31
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+
System.out.println(result);
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32
32
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33
33
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}
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34
34
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1
整形
test
CHANGED
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@@ -12,15 +12,23 @@
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12
12
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13
13
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int [][] numbers = {{1, 2, 3}, {4, 5}, {6}};
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14
14
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15
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-
var r
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15
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+
var arr = Arrays.stream(numbers)
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16
16
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17
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.map( xs ->
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18
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+
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19
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Arrays.stream(xs)
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20
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+
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21
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.mapToObj(x -> String.valueOf(x))
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22
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+
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17
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-
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23
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.collect(Collectors.joining(" "))
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24
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+
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25
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)
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18
26
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19
27
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.collect(Collectors.joining("\n"));
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20
28
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21
29
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22
30
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23
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-
System.out.println(r
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31
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+
System.out.println(arr);
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24
32
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25
33
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}
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26
34
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