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gignacioftw / Photos82

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Compile error #2

Open JindongJiang opened 2 months ago

JindongJiang commented 2 months ago 
Photos82/src/main/java/com/example/photos/Model/Album.java:76: error: cannot find symbol
        Calendar greatest = c.getFirst();
                             ^
  symbol:   method getFirst()
  location: variable c of type ArrayList<Calendar>
Photos82/src/main/java/com/example/photos/Model/Album.java:77: error: cannot find symbol
        Calendar lowest = c.getFirst();
                           ^
  symbol:   method getFirst()
  location: variable c of type ArrayList<Calendar>
gignacioftw commented 2 months ago

im confused why this is a compilation error is getFirst not a method?

gignacioftw commented 2 months ago

is it because i'm on java 21?

JindongJiang commented 2 months ago

Yes, ilab uses jdk 17. I changed them to .get(0) and got the following error:

Exception in Application start method
java.lang.reflect.InvocationTargetException
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    at javafx.graphics@21.0.2/com.sun.javafx.application.LauncherImpl.launchApplicationWithArgs(LauncherImpl.java:464)
    at javafx.graphics@21.0.2/com.sun.javafx.application.LauncherImpl.launchApplication(LauncherImpl.java:364)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    at java.base/sun.launcher.LauncherHelper$FXHelper.main(LauncherHelper.java:1085)
Caused by: java.lang.RuntimeException: Exception in Application start method
    at javafx.graphics@21.0.2/com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:893)
    at javafx.graphics@21.0.2/com.sun.javafx.application.LauncherImpl.lambda$launchApplication$2(LauncherImpl.java:196)
    at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.io.FileNotFoundException: C:\Users\Gigna\IdeaProjects\Photos\data/users.dat (No such file or directory)
    at java.base/java.io.FileOutputStream.open0(Native Method)
    at java.base/java.io.FileOutputStream.open(FileOutputStream.java:293)
    at java.base/java.io.FileOutputStream.<init>(FileOutputStream.java:235)
    at java.base/java.io.FileOutputStream.<init>(FileOutputStream.java:123)
    at com.example.photos.Model.UserSystem.writeApp(UserSystem.java:56)
    at com.example.photos.PhotoApp.start(PhotoApp.java:28)
    at javafx.graphics@21.0.2/com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$9(LauncherImpl.java:839)
    at javafx.graphics@21.0.2/com.sun.javafx.application.PlatformImpl.lambda$runAndWait$12(PlatformImpl.java:483)
    at javafx.graphics@21.0.2/com.sun.javafx.application.PlatformImpl.lambda$runLater$10(PlatformImpl.java:456)
    at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
    at javafx.graphics@21.0.2/com.sun.javafx.application.PlatformImpl.lambda$runLater$11(PlatformImpl.java:455)
    at javafx.graphics@21.0.2/com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
    at javafx.graphics@21.0.2/com.sun.glass.ui.gtk.GtkApplication._runLoop(Native Method)
    at javafx.graphics@21.0.2/com.sun.glass.ui.gtk.GtkApplication.lambda$runLoop$10(GtkApplication.java:263)
    ... 1 more
Exception running application com.example.photos.PhotoApp
gignacioftw commented 2 months ago

i pushed a new version