59 lines
1.4 KiB
Java
59 lines
1.4 KiB
Java
import java.util.ArrayList;
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import java.util.Iterator;
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public class SetGasolineTankerGeneric <T extends Object> implements Iterable<T>{
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private final ArrayList<T> _places;
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public int Count() {
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return _places.size();
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}
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private final int _maxCount;
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public SetGasolineTankerGeneric(int count)
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{
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_maxCount=count;
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_places = new ArrayList<>();
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}
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public int Insert(T gasolineTanker)
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{
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if (_places.size()+1>=_maxCount)
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return -1;
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_places.add(0,gasolineTanker);
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return 0;
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}
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public int Insert(T gasolineTanker, int position)
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{
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if (position>=_maxCount||position<0)
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return -1;
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if (_places.size()+1>=_maxCount)
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return -1;
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_places.add(position,gasolineTanker);
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return position;
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}
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public T Remove(int position)
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{
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if (position>=_maxCount||position<0)
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return null;
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T deleted=_places.get(position);
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_places.remove(position);
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return deleted;
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}
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public T Get(int position)
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{
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if (position>=_maxCount||position<0)
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return null;
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return _places.get(position);
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}
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public void Set(int position,T gasolineTanker){
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if (position >= _maxCount||position<0)
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return;
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Insert(gasolineTanker,position);
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}
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@Override
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public Iterator<T> iterator(){
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return _places.iterator();
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}
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}
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