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@@ -1,31 +1,48 @@
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package rocks.zipcode.io.quiz4.collections;
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2
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+import java.util.ArrayList;
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4
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+import java.util.Collection;
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+import java.util.Iterator;
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+
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/**
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* @author leon on 11/12/2018.
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*/
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-public class SimpleStringGroup {
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+public class SimpleStringGroup implements Iterable {
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+ ArrayList<String> s = new ArrayList<>();
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+
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public SimpleStringGroup() {
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- throw new UnsupportedOperationException("Method not yet implemented");
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+ // throw new UnsupportedOperationException("Method not yet implemented");
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}
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16
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public Integer count() {
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- return null;
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+ return s.size();
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}
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public void insert(String string) {
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+ s.add(string);
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}
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public Boolean has(String valueToInsert) {
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- return null;
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+ if (s.contains(valueToInsert)){
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+ return true;
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+ }
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+ return false;
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}
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31
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public String fetch(int indexOfValue) {
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- return null;
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+ return s.get(indexOfValue);
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}
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public void delete(String valueToInsert) {
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+ s.remove(valueToInsert);
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}
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public void clear() {
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+ s.clear();
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+ }
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+
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+ @Override
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+ public Iterator iterator() {
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+ return s.iterator();
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}
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48
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}
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