ArrayList in Java | Coding Examples

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In this video, we will learn all about ArrayList with coding examples.

The important points about the Java ArrayList class are:
- Java ArrayList class can contain duplicate elements.
- Java ArrayList class maintains insertion order.
- Java ArrayList class is non-synchronized.
- Java ArrayList allows random access because the array works on an index basis.
- In the Java ArrayList class, manipulation is slow because a lot of shifting needs to have occurred if any element is removed from the array list.
- You cannot create an ArrayList of primitive types like int, char, etc. You need to use boxed types like Integer, Character, Boolean, etc.

#java #arraylist #javaguides

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Комментарии

Thank you very much for that tutorial. You showed examples of features that I really needed

thedev

Can you please do a video on abstract classes, interfaces, difference between implements and extends and all this collection packages what they extend or implement

saitejanagam

Can we convert string into object of array for example String a='a1, b1, c3';
Into at zero index a1
One index b1
Two index c3

ErMotiSingh

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