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57 lines
1.0 KiB
57 lines
1.0 KiB
package net.jrtechs.www.DataStructures;
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/**
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* Generic interface to define the behavior of
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* lists.
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*
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* @param <E> generic for lists to store
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*
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* @author Jeffery Russell 8-24-18
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*/
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public interface IList<E>
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{
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/**
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* Adds an element to the list
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*
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* @param o element to get added
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* @return whether element was edded
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*/
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public boolean add(E o);
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/**
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* Determines if the list contains
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* a certain element.
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*
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* @param o element to see if exists
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* @return if element o is in the list
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*/
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public boolean contains(E o);
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/**
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* Returns the size of the list.
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*
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* @return size of list
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*/
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public int size();
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/**
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* Removes an element from the list
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*
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* @param index of element to remove
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* @return element which is removed
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*/
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public E remove(int index);
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/**
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* Returns element at a particular index
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*
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* @param index of desired element
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* @return element at a certain index
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*/
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public E get(int index);
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}
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