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via Oracle Community by 807549, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at Calculator$Func.(Calculator.java:117)	at Calculator.(Calculator.java:10)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)	at java.lang.reflect.Constructor.newInstance(Constructor.java:274)	at java.lang.Class.newInstance0(Class.java:306)	at java.lang.Class.newInstance(Class.java:259)	at sun.applet.AppletPanel.createApplet(AppletPanel.java:566)	at sun.applet.AppletPanel.runLoader(AppletPanel.java:495)	at sun.applet.AppletPanel.run(AppletPanel.java:292)	at java.lang.Thread.run(Thread.java:536)