62 lines
1.4 KiB
Java
62 lines
1.4 KiB
Java
public class SetLocomotivesGeneric <T>
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{
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private final T[] _places;
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public int Count() {
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return _places.length;
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}
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public SetLocomotivesGeneric(int count) {
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_places = (T[]) new Object[count];
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}
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public int Insert (T locomotive) {
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return Insert(locomotive, 0);
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}
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public int Insert (T locomotive, int position) {
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if (position >= _places.length || position < 0) return -1;
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if (_places[position] == null) {
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_places[position] = locomotive;
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return position;
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}
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int emptyEl = -1;
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for (int i = position + 1; i < Count(); i++)
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{
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if (_places[i] == null)
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{
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emptyEl = i;
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break;
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}
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}
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if (emptyEl == -1)
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{
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return -1;
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}
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for (int i = emptyEl; i > position; i--)
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{
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_places[i] = _places[i - 1];
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}
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_places[position] = locomotive;
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return position;
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}
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public T Remove (int position) {
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if (position >= _places.length || position < 0) return null;
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T result = _places[position];
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_places[position] = null;
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return result;
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}
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public T Get(int position)
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{
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if (position >= _places.length || position < 0)
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{
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return null;
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}
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return _places[position];
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}
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}
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