Collections Class
Utility class (java.util.package) which defines several methods for collection objects.
Size of Collection Objects
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Default Initial Capacity
The initial capacity assigned to a Collection class object by default, if not specified while initializing the object.
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Fill Ratio/Load Factor
The percentage or ratio of capacity which when reached will result in increasing of the capacity.
For example, if the initial default capacity is 10 and fill ratio is 0.7 - the capacity will increase once 7 places are filled.
Reaches Max Cap → New AL object created with new capacity → all objects copied
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