質問編集履歴
1
抜けていた部分を加えました。
title
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File without changes
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body
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@@ -6,37 +6,41 @@
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6
6
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### 該当のソースコード
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7
7
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8
8
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```java
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9
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+
import java.util.Scanner;
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9
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-
public
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10
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+
public class calcu01
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10
11
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{
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12
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public static void main(String[] args)
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13
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{
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14
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Scanner sc = new Scanner(System.in);
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11
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-
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15
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+
while(true){
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12
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-
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16
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+
System.out.print(">> ");
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13
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-
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17
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+
if (!sc.hasNextLine()) break;
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14
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-
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18
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+
String line = sc.nextLine();
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15
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-
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19
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Scanner sc2 = new Scanner(line);
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16
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-
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20
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try{
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17
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-
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21
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double x = sc2.nextDouble();
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18
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-
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22
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+
String op = sc2.next();
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19
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-
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23
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+
double y = sc2.nextDouble();
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20
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-
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24
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+
double z = 0;
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21
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-
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25
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switch(op){
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22
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-
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26
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case "q": z = x + y; break;
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23
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-
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27
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+
case "w": z = x - y; break;
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24
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-
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28
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+
case "e": z = x * y; break;
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25
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-
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29
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+
case "r": z = x / y; break;
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26
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-
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30
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+
case "z":
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27
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-
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31
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put("終了します");
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28
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-
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32
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System.exit(0);
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29
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-
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33
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break;
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34
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}
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35
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System.out.println(z);
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30
36
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}
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37
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catch(Exception e){
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31
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-
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38
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System.out.println(" Error");
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39
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}
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40
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sc2.close();
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32
41
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}
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33
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-
catch(Exception e){
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34
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-
System.out.println(" Error");
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35
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-
}
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36
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-
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42
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+
sc.close();
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37
43
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}
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38
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-
sc.close();
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39
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-
}
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40
44
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public static void put(String str)
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41
45
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{
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42
46
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System.out.println(str);
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