Constructors of Java ArrayList . 1- ArrayList(): Using this we build empty array list. 2- ArrayList(Collection coll): Using this constructor we build array list that is initialized by elements of the ...

This class represents a fancy ArrayList that stores integers and supports additional operations not included in Java's built-in ArrayList methods. For example, the CustomIntegerArrayList class has a ...

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Sometime we need to save arraylist of objects into shared preferences so that we can use that data in multiple activities when required. we can do that easily as below:suppose we have model users as ...