Demonstration of Linked list in java. Very simple and well commented java code for the beginners. Linked list of points are used to create a Polyline and display it

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If you have declared the static newstudent current; as private then you can not use it in the derived class. But if you have declared it protected then u can use it
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In class calcPanel2 you can handle all the button click events. Here is a simple example that when the user will click on the * button then it will multiply the two values.

First of all add the...