Nullpointer exception when creating a database and have created two programs but the exception are occurring in different sections?


postino
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I am trying to create a database applet for origami instructions. I had created the first applet which has two important parts: the list of instructions and the edit/add new instructions; it goes like this: Welcome page --> Main menu --> click on list of instructions button --> nullpointer exception. The edit/add button which leads to the edit/add menu works fine. After trying so many trys to get rid of the exception, I created a second applet. It goes like: First two parts are the same --> click on edit/add button --> nullpointer exception. The list of instructions works just fine in this applet for some reason. I have checked in both programs and I have everything from the main menu to


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