回答編集履歴
3
Scoreクラスも追加
test
CHANGED
|
@@ -52,4 +52,52 @@
|
|
|
52
52
|
|
|
53
53
|
}
|
|
54
54
|
|
|
55
|
+
|
|
56
|
+
|
|
57
|
+
class Score {
|
|
58
|
+
|
|
59
|
+
private String name;
|
|
60
|
+
|
|
61
|
+
private int math;
|
|
62
|
+
|
|
63
|
+
private int english;
|
|
64
|
+
|
|
65
|
+
|
|
66
|
+
|
|
67
|
+
public Score(String name, int math, int english) {
|
|
68
|
+
|
|
69
|
+
this.name = name;
|
|
70
|
+
|
|
71
|
+
this.math = math;
|
|
72
|
+
|
|
73
|
+
this.english = english;
|
|
74
|
+
|
|
75
|
+
}
|
|
76
|
+
|
|
77
|
+
|
|
78
|
+
|
|
79
|
+
public String getName() {
|
|
80
|
+
|
|
81
|
+
return name;
|
|
82
|
+
|
|
83
|
+
}
|
|
84
|
+
|
|
85
|
+
|
|
86
|
+
|
|
87
|
+
public int getMath() {
|
|
88
|
+
|
|
89
|
+
return math;
|
|
90
|
+
|
|
91
|
+
}
|
|
92
|
+
|
|
93
|
+
|
|
94
|
+
|
|
95
|
+
public int getEnglish() {
|
|
96
|
+
|
|
97
|
+
return english;
|
|
98
|
+
|
|
99
|
+
}
|
|
100
|
+
|
|
101
|
+
}
|
|
102
|
+
|
|
55
103
|
```
|
2
全部記述するように変更
test
CHANGED
|
@@ -1,49 +1,55 @@
|
|
|
1
|
-
以下のインポートを追加しています。
|
|
2
|
-
|
|
3
1
|
```Java
|
|
4
2
|
|
|
5
3
|
import static java.util.Comparator.*;
|
|
6
4
|
|
|
5
|
+
|
|
6
|
+
|
|
7
|
-
|
|
7
|
+
import java.util.ArrayList;
|
|
8
8
|
|
|
9
9
|
|
|
10
10
|
|
|
11
|
-
|
|
11
|
+
public class SortScoreComparable {
|
|
12
12
|
|
|
13
|
+
public static void main(String[] args) {
|
|
14
|
+
|
|
13
|
-
ArrayList<Score> score = new ArrayList<Score>();
|
|
15
|
+
ArrayList<Score> score = new ArrayList<Score>();
|
|
14
16
|
|
|
15
17
|
|
|
16
18
|
|
|
17
|
-
score.add(new Score("taro", 12, 97));
|
|
19
|
+
score.add(new Score("taro", 12, 97));
|
|
18
20
|
|
|
19
|
-
score.add(new Score("jiro", 42, 54));
|
|
21
|
+
score.add(new Score("jiro", 42, 54));
|
|
20
22
|
|
|
21
|
-
score.add(new Score("sabu", 42, 47));
|
|
23
|
+
score.add(new Score("sabu", 42, 47));
|
|
22
24
|
|
|
23
|
-
score.add(new Score("siro", 57, 97));
|
|
25
|
+
score.add(new Score("siro", 57, 97));
|
|
24
26
|
|
|
25
|
-
score.add(new Score("goro", 87, 40));
|
|
27
|
+
score.add(new Score("goro", 87, 40));
|
|
26
28
|
|
|
27
|
-
score.add(new Score("roku", 99, 99));
|
|
29
|
+
score.add(new Score("roku", 99, 99));
|
|
28
30
|
|
|
29
|
-
score.add(new Score("nana", 14, 23));
|
|
31
|
+
score.add(new Score("nana", 14, 23));
|
|
30
32
|
|
|
31
|
-
score.add(new Score("hati", 42, 54));
|
|
33
|
+
score.add(new Score("hati", 42, 54));
|
|
32
34
|
|
|
33
35
|
|
|
34
36
|
|
|
35
|
-
System.out.println("ソート前");
|
|
37
|
+
System.out.println("ソート前");
|
|
36
38
|
|
|
37
|
-
score.forEach(s -> System.out.printf("%s : Math : %d : English : %d\n", s.getName(), s.getMath(), s.getEnglish()));
|
|
39
|
+
score.forEach(s -> System.out.printf("%s : Math : %d : English : %d\n", s.getName(), s.getMath(), s.getEnglish()));
|
|
38
40
|
|
|
39
41
|
|
|
40
42
|
|
|
41
|
-
score.sort(comparing(Score::getMath).thenComparing(Score::getEnglish).reversed());
|
|
43
|
+
score.sort(comparing(Score::getMath).thenComparing(Score::getEnglish).reversed());
|
|
42
44
|
|
|
43
45
|
|
|
44
46
|
|
|
45
|
-
System.out.println("ソート後");
|
|
47
|
+
System.out.println("ソート後");
|
|
46
48
|
|
|
47
|
-
score.forEach(s -> System.out.printf("%s : Math : %d : English : %d\n", s.getName(), s.getMath(), s.getEnglish()));
|
|
49
|
+
score.forEach(s -> System.out.printf("%s : Math : %d : English : %d\n", s.getName(), s.getMath(), s.getEnglish()));
|
|
50
|
+
|
|
51
|
+
}
|
|
52
|
+
|
|
53
|
+
}
|
|
48
54
|
|
|
49
55
|
```
|
1
追記
test
CHANGED
|
@@ -1,3 +1,13 @@
|
|
|
1
|
+
以下のインポートを追加しています。
|
|
2
|
+
|
|
3
|
+
```Java
|
|
4
|
+
|
|
5
|
+
import static java.util.Comparator.*;
|
|
6
|
+
|
|
7
|
+
```
|
|
8
|
+
|
|
9
|
+
|
|
10
|
+
|
|
1
11
|
```Java
|
|
2
12
|
|
|
3
13
|
ArrayList<Score> score = new ArrayList<Score>();
|