質問編集履歴
4
コードの修正
test
CHANGED
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File without changes
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test
CHANGED
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@@ -14,11 +14,17 @@
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14
14
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15
15
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```エラー
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16
16
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17
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-
Exception in thread "Thread
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17
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+
Exception in thread "JavaFX Application Thread" java.lang.NullPointerException
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18
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-
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18
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+
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19
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-
at finalProject$MyRunnable.run(finalProject.java:
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19
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+
at finalProject$MyRunnable.lambda$run$0(finalProject.java:88)
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20
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+
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20
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-
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21
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+
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$9(PlatformImpl.java:418)
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22
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+
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21
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-
at java.base/java.
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23
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+
at java.base/java.security.AccessController.doPrivileged(Native Method)
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24
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+
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25
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+
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$10(PlatformImpl.java:417)
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26
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+
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27
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+
at javafx.graphics/com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:96)
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22
28
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23
29
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```
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24
30
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@@ -52,7 +58,9 @@
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52
58
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53
59
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System.out.println(min+":"+sec);
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54
60
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61
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+
Platform.runLater(
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62
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+
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55
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-
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63
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+
() -> lbTime.setText(min+":"+sec));
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56
64
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57
65
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try{
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58
66
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@@ -260,7 +268,9 @@
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260
268
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261
269
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System.out.println(min+":"+sec);
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262
270
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|
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271
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+
Platform.runLater(
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272
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+
|
|
263
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-
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|
273
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+
() -> lbTime.setText(min+":"+sec));
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264
274
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|
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265
275
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try{
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266
276
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3
加筆
test
CHANGED
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File without changes
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test
CHANGED
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@@ -6,6 +6,8 @@
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6
6
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7
7
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`lbTime.setText(min+":"+sec);`の部分で以下のエラーが出ています。
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8
8
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9
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+
アドバイス頂ければ幸いです。
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10
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+
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9
11
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よろしくお願い致します。
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10
12
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11
13
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2
コードの修正
test
CHANGED
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File without changes
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test
CHANGED
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@@ -38,8 +38,6 @@
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38
38
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39
39
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{
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40
40
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|
|
41
|
-
Label lbTime = new Label();
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42
|
-
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43
41
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while(true)
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44
42
|
|
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45
43
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{
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@@ -248,8 +246,6 @@
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248
246
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|
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249
247
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{
|
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250
248
|
|
|
251
|
-
Label lbTime = new Label();
|
|
252
|
-
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|
253
249
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while(true)
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254
250
|
|
|
255
251
|
{
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1
test
CHANGED
|
@@ -1 +1 @@
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|
1
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-
Threadを使っ
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1
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+
Threadを使ってLabelを更新したい。
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test
CHANGED
|
File without changes
|