質問編集履歴
3
一部修正
title
CHANGED
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@@ -1,1 +1,1 @@
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1
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-
Spring Boot エラー: メイン・クラスcom.example.
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1
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+
Spring Boot エラー: メイン・クラスcom.example.demo.DemoApplicationを検出およびロードできませんでした
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body
CHANGED
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File without changes
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2
一部修正
title
CHANGED
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File without changes
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body
CHANGED
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@@ -7,7 +7,7 @@
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7
7
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pom.xml に以下を追加
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8
8
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```
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9
9
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<properties>
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10
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-
<start-class>com.example.
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10
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+
<start-class>com.example.demo.DemoApplication</start-class>
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11
11
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<java.version>11</java.version>
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12
12
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</properties>
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13
13
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```
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1
ソースコード追加
title
CHANGED
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File without changes
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body
CHANGED
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@@ -11,4 +11,44 @@
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11
11
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<java.version>11</java.version>
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12
12
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</properties>
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13
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```
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14
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-
※Applicationは***Application.javaファイルのclass名
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14
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+
※Applicationは***Application.javaファイルのclass名
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15
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+
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16
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+
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17
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### ソースコード
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18
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+
DemoApplication.java
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19
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+
```
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20
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+
package com.example.demo;
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21
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+
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22
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+
import org.springframework.boot.SpringApplication;
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23
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+
import org.springframework.boot.autoconfigure.SpringBootApplication;
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24
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+
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+
@SpringBootApplication
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public class DemoApplication {
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27
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+
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28
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public static void main(String[] args) {
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29
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SpringApplication.run(DemoApplication.class, args);
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30
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}
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31
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+
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32
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+
}
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33
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+
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34
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+
```
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35
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+
DemoController.java
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36
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+
```
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37
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+
package com.example.demo;
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38
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+
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39
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+
import org.springframework.stereotype.Controller;
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40
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+
import org.springframework.web.bind.annotation.RequestMapping;
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41
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+
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42
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+
@Controller
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43
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+
public class DemoController {
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44
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+
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45
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+
@RequestMapping(value="/hello")
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46
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+
private String hello(){
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47
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+
return "/index.html";
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48
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+
}
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49
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+
}
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50
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+
```
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51
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+
index.html
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52
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+
```
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53
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+
Hello World!
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54
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+
```
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