check inside jar: 
& "C:\Program Files\Java\jdk-21\bin\jar" tf adminpanel.jar


javac --release 17 AdminPanel.java


& "C:\Program Files\Java\jdk-21\bin\jar" cfe adminpanel.jar AdminPanel AdminPanel*.class

& "C:\Program Files\Java\jdk-21\bin\jar" cfe adminpanel.jar AdminPanel AdminPanel.class "AdminPanel$TermPanel.class"
& "C:\Program Files\Java\jdk-21\bin\jar" cfe adminpanel.jar AdminPanel AdminPanel.class 'AdminPanel$TermPanel.class'
