| StringDatabase.java |
package lectures.arrays.collections_implementation;
import util.annotations.WebDocuments;
@WebDocuments({"Lectures/ArraysCollectionsImplementation.pptx", "Lectures/ArraysCollectionsImplementation.pdf", "Videos/ArraysCollectionsImplementation.avi"})
public interface StringDatabase {
//from history
public int size();
public void addElement(String element);
public String elementAt(int index);
//additional methods
public void removeElement(String element);
public boolean member(String element);
public void clear();
}