Collection Programs
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myVector.add(4); myVector.add(-5); myVector.add(3); myVector.add(7); myVector.add(5); myVector.add(-9); Stack.pop(); Stack.pop(); Stack.pop(); Stack.pop(); Stack.pop(); Stack.pop(); Stack.pop(); MyVector represents a vector which can hold only numbers. Now it is filled with all the integer numbers.
List : This interface is not a collection. This interface represents the data structure which has a fixed order of insertion. This interface is implemented by various classes like ArrayList, Vector, etc. Which in principle need to have insertion order. Since this interface is used to represent the data structure which does not have insertion order, we can instantiate a list with any of these classes. For example, to add data into a vector, we use vector.add(data) method.
Whenever possible, we will try to group the interfaces and classes into the following categories. If one object implements more than one interface, the object will belong to all the groups mentioned. d2c66b5586