回答編集履歴
1
微調整
answer
CHANGED
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@@ -30,7 +30,7 @@
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30
30
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Member m4 = new Member("ddd", 24);
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31
31
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ArrayList<Member> members = new ArrayList<>(Arrays.asList(m1, m2, m3, m4));
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32
32
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Optional<Member> min = members.stream().min(Comparator.comparing(x -> x.id));
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33
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-
System.out.println(min.get());
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33
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+
System.out.println(min.get()); // => Member [name=ccc, id=14]
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34
34
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}
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35
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36
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}
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@@ -38,7 +38,7 @@
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38
38
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class Member {
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39
39
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String name;
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40
40
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int id;
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41
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-
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41
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+
Member(String name, int id) {
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42
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this.name = name;
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this.id = id;
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44
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}
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@@ -48,4 +48,4 @@
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48
48
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}
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49
49
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50
50
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}
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51
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-
```
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51
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+
```
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