32 lines
590 B
Java
32 lines
590 B
Java
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import java.util.Iterator;
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/**
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* DNAStrand
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*/
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public class DNAStrand implements Iterable {
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private DNASequence sequence;
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private DNASequence last;
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public DNAStrand() {
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}
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public void addLast(DNALetter letter) {
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if (sequence != null) {
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last.setNext(new DNASequence(letter));
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last = last.getNext();
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} else {
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sequence = new DNASequence(letter);
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last = sequence;
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}
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}
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@Override
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public Iterator<DNALetter> iterator() {
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return (new DNAIterator(sequence));
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}
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}
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