QueueOnSequence - import java.util.Iterator import import...

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import java.util.Iterator; import components.queue.Queue; import components.queue.QueueSecondary; import components.sequence.Sequence; import components.sequence.Sequence1L; /** * {@code Queue} represented as a {@code Sequence} of entries, with * implementations of primary methods. * * @param <T> * type of {@code Queue} entries * @correspondence this = $this.entries */ public class Queue3 < T > extends QueueSecondary < T > { /* * Private members -------------------------------------------------------- */ /** * Entries included in {@code this}. */ private Sequence< T > entries; /** * Creator of initial representation. */ private void createNewRep () { this .entries = new Sequence1L< T >(); } /* * Constructor ------------------------------------------------------------ */ /** * No-argument constructor. */ public Queue3 () { this .createNewRep(); } /* * Standard methods ------------------------------------------------------- */ @SuppressWarnings ("unchecked") @Override public final Queue< T > newInstance () { try { return this .getClass().newInstance(); } catch ( ReflectiveOperationException e ) {
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throw new AssertionError( "Cannot construct object of type " + this .getClass()); } } @Override public final void clear () { this .createNewRep(); } @Override public final void transferFrom (Queue< T > source) { assert source != null : "Violation of: source is not null";
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