回答編集履歴
2
typo 修正
test
CHANGED
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@@ -100,7 +100,7 @@
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100
100
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101
101
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if (ans < 1 || ans > 3) {
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102
102
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103
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-
S
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103
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+
errorStream.println("1 から 3 の範囲で入力してください");
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104
104
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105
105
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} else {
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106
106
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1
数値読み込みのエラーチェックのところが気になったので、修正しました。
test
CHANGED
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@@ -24,7 +24,7 @@
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24
24
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25
25
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private int answer;
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26
26
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27
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-
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27
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+
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28
28
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29
29
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quiz(String q, String c, int a) {
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30
30
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@@ -36,7 +36,7 @@
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36
36
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37
37
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}
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38
38
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39
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-
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39
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+
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40
40
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41
41
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public static quiz readNewQuiz(BufferedReader quizDataReader) throws IOException {
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42
42
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@@ -68,7 +68,7 @@
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68
68
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69
69
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}
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70
70
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71
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-
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71
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+
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72
72
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73
73
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public void printQuestion(int count, PrintStream ps) {
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74
74
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@@ -80,7 +80,7 @@
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80
80
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81
81
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}
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82
82
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83
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-
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83
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+
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84
84
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85
85
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public boolean checkAnswer(int ans) {
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86
86
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@@ -88,7 +88,37 @@
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88
88
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89
89
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}
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90
90
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91
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+
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91
92
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93
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+
public static int readNumber(BufferedReader br, PrintStream errorStream) throws IOException {
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94
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+
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95
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+
while (true) {
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96
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+
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97
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+
try {
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98
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+
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99
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+
int ans = Integer.parseInt(br.readLine());
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100
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+
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101
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+
if (ans < 1 || ans > 3) {
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102
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+
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103
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+
System.out.println("1 から 3 の範囲で入力してください");
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104
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+
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105
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+
} else {
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106
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+
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107
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+
return ans;
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108
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+
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109
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+
}
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110
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+
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111
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+
} catch (NumberFormatException e) {
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112
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+
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113
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+
errorStream.println("数値を入力してください");
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114
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+
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115
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+
}
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116
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+
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117
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+
}
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118
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+
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119
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+
}
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120
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+
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121
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+
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92
122
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93
123
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public static void main (String[]args) throws IOException {
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94
124
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@@ -108,23 +138,9 @@
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108
138
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109
139
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q.printQuestion(count, System.out);
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110
140
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111
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-
int ans =
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141
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+
int ans = readNumber(br, System.out);
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112
142
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113
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-
try {
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114
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-
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115
|
-
ans = Integer.parseInt(br.readLine());
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116
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-
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117
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-
} catch (NumberFormatException e) {
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118
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-
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119
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-
}
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120
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-
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121
|
-
if (ans < 1 || ans > 3) {
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122
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-
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123
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-
System.out.println("1 から 3 の数値を入力してください");
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124
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-
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125
|
-
break;
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126
|
-
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127
|
-
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143
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+
if (q.checkAnswer(ans)) {
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128
144
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129
145
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System.out.println("正解!第" + ++count +"問に進みます。");
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130
146
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@@ -138,9 +154,7 @@
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138
154
|
|
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139
155
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}
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|
140
156
|
|
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141
|
-
}
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157
|
+
}
|
|
142
|
-
|
|
143
|
-
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|
144
158
|
|
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145
159
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}
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146
160
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