vault backup: 2025-03-16 18:59:42
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@@ -1,4 +1,5 @@
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## What is an interface?
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## What is an Interface?
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- An interface is a device or a system that unrelated entities use to interact.
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- A remote control is an interface between you and a television set.
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@@ -6,10 +7,7 @@ basically the interface has and abstract method which classes have to implement
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Concert realisation of the otherwise abstract method.
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## What is a linked list?
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## What is a Linked List?
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- On the linked list every node is an object.
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- Has more memory overhead than an ArrayList.
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@@ -17,6 +15,6 @@ Concert realisation of the otherwise abstract method.
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- It mainly allows efficient *insertion* and *deletion* operations compared to arrays
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- Its dynamic, the size of it changes with every change.
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# Protected
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prevents the method to be used by anyone but its sub classes.
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# Protected
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prevents the method to be used by anyone but its sub classes.
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