質問編集履歴
1
修正済みコードの追加
test
CHANGED
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File without changes
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test
CHANGED
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@@ -80,6 +80,95 @@
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80
80
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}
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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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+
### 修正済みコード(追加)
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84
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+
```C#
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85
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public class Hello{
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86
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public static void Main(){
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87
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+
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88
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Car car = new Car(new MiniEngine());
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89
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Car car2 = new Car(new SuperEngineAdapter(new SuperEngine(1)));
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90
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+
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91
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car.Run(); // 5
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92
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car2.Run(); // 30
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93
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+
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94
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+
var line = System.Console.ReadLine();
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95
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int newGear = 0;
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96
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bool result = int.TryParse(line, out newGear);
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97
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if(result){
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98
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//New Code
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99
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car.SetEngineGear(newGear);
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100
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car2.SetEngineGear(newGear);
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101
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//
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102
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System.Console.WriteLine($"newGear:{newGear}");
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103
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}
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104
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+
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105
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car.Run(); //Warning
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106
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car2.Run(); // newGearに応じて変化
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107
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+
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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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+
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112
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+
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113
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public class Car{
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114
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protected IEngine engine;
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115
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public Car(IEngine engine){
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116
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this.engine = engine;
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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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//New Code
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120
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public void SetEngineGear(int newGear){
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121
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engine.SetGear(newGear);
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122
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}
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123
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+
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124
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public void Run(){
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125
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float power = engine.Boost();
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126
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System.Console.WriteLine("power=" + power.ToString());
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127
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}
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128
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}
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129
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+
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130
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+
public interface IEngine{
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131
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float Boost();
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132
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void SetGear(int newGear); //New Code
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133
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}
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134
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public class SuperEngine{
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135
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int gear;
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136
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public SuperEngine(int initalGear){this.gear = initalGear;}
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137
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+
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138
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public float GetPower(){
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139
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if(gear == 0) {return 10;}
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140
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else if(gear == 1){return 30;}
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141
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else return 50;
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142
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}
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143
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+
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144
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public void SetGear(int gear) {this.gear = gear;} //New Code
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145
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+
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146
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}
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147
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public class SuperEngineAdapter : IEngine
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148
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{
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149
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SuperEngine se;
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150
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public SuperEngineAdapter(SuperEngine se){
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151
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this.se = se;
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152
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+
}
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153
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public float Boost(){
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154
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return se.GetPower();
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155
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+
}
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156
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+
|
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157
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public void SetGear(int gear){ se.SetGear(gear);} //New Code
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158
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+
}
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159
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+
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160
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+
public class MiniEngine : IEngine{
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161
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public float Boost(){
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162
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return 5;
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163
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+
}
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164
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+
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165
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+
//New Code
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166
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+
public void SetGear(int newGear){
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167
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+
#warning MiniEngine has no gear choice. It's always 5.
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168
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+
}
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169
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}
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170
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+
```
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171
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+
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83
172
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### 試したこと・調べたこと
|
|
84
173
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- [x] teratailやGoogle等で検索した
|
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85
174
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- [x] ソースコードを自分なりに変更した
|