21Add a JAVA method to the ArrayBag class. ArrayBag implements BagInterface usin

Question

21Add a JAVA method to the ArrayBag class. ArrayBag implements BagInterface using an array. You can assume the following methods are already implemented:

public boolean add(T newEntry)
public boolean isEmpty()
public boolean contains(T anObject)
public boolean remove()
public boolean remove(T anEntry)
public T getFrequencyOf(T anEntry)
public int getCurrentSize()
public void clear()

Write a complete JAVA method at the implementation level called getEntry.

#The method header is:

public T getEntry()

The method returns an unspecified entry of the ArrayBag. (You can decide which entry to return.) Be sure to account for all possible times when the method could be invoked. For full credit, write a method that is efficient.

For this question, you are writing code at the implementation level. This means you have access to the private instance data variables:

private T[] bag
private int numberOfEntries

Explanation / Answer

} // end ArrayBag

public T replace(T theItem) {

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