回答編集履歴
1
改正
answer
CHANGED
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@@ -48,4 +48,75 @@
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48
48
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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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52
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53
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コンストラクタの引数ごとに配列の長さを変えられるようにしたのが以下です
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54
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```java
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55
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class Test {
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56
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private int number = 1;
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57
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int[] x = new int[number];
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58
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int[] y = new int[number];
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59
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private int a = 10;
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60
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private int b = 30;
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61
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62
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public Test(String name) {
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63
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64
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switch (name) {
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65
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case "first":
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66
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this.number = 5;
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67
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x = new int[number];
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68
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for (int i = 0; i < number; i++) {
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69
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this.x[i] = a;
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70
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}
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71
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y = new int[number];
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72
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this.y[0] = b;
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73
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for (int i = 1; i < number; i++) {
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74
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this.y[i] = this.y[i - 1] + b;
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75
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}
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76
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break;
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77
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case "second":
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78
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this.number = 8;
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79
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x = new int[number];
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80
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for (int i = 0; i < number; i++) {
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81
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this.x[i] = a * 2;
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82
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}
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83
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y = new int[number];
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84
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this.y[0] = b * 3;
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85
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for (int i = 1; i < number; i++) {
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86
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this.y[i] = this.y[i - 1] + b * 3;
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87
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}
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88
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break;
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89
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}
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90
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}
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91
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}
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92
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93
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class E2 {
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94
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95
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public static void main(String[] args) {
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96
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97
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Test a = new Test("first");
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98
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Test b = new Test("second");
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99
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100
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for (int c : a.x) {
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101
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System.out.print(c + "-");
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102
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}
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103
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System.out.println();
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104
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105
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for (int c : a.y) {
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106
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System.out.print(c + "-");
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107
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}
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108
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System.out.println();
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109
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110
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for (int c : b.x) {
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111
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System.out.print(c + "-");
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112
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}
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113
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System.out.println();
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114
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115
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for (int c : b.y) {
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116
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System.out.print(c + "-");
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117
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}
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118
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119
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}
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120
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121
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}
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51
122
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```
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