How To Write An Iterator Java
Best Java code snippets using java.util.Iterator.<init> (Showing top 20 results out of 315)
- Common ways to obtain Iterator
private void myMethod ()
{
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Iterator<Integer> powersOfTwo = new AbstractSequentialIterator<Integer> ( 1 ) { protected Integer computeNext(Integer previous) { return (previous == 1 << 30 ) ? null : previous * 2 ; } };
public Iterator<T> iterator( int index) { Iterator<T> it = new DoublelinkedlistIterator (); for ( int i = 0 ; i < index && it.hasNext(); i++, it.next()); return it; }
import org.neo4j.graphdb.*; import org.neo4j.helpers.Predicate; import org.neo4j.helpers.collection.FilteringIterator; ... try (ResourceIterator<Node> nodes = graphDatabaseService.findNodes(DynamicLabel.label( "LABEL1" ))) { Iterator<Node> nodeWithAllLabels = new FilteringIterator<> (nodes, node -> node.hasLabel(DynamicLabel.label( "LABEL2" )) && node.hasLabel(DynamicLabel.label( "LABEL3" )) ); }
public Iterator<E> iterator( int x){ Iterator<E> it = new ListIterator (); for (; x > 0 ; --x){ it.next(); } return it; }
Iterator<Choice> iter = new list.iterator (); while iterator.hasNext(){ iter.next().add( option ); }
public Iterator<E> iterator( int x) { if (x < 0 || this .size() < x) { throw new IndexOutOfBoundsException(); } Iterator<E> it = new ListIterator (); for (; x > 0 ; --x) { it.next(); } return it; }
List<String[]> input = Arrays.asList( new String[] { "such" , "nice" , "question" }, new String[] { "much" , "iterator" }, new String[] { "very" , "wow" } ); Iterator<Collection<String>> it = new CombinatorIterator (input); it.forEachRemaining(System.out::println);
List<String> jedis = asList( "Obiwan" , "Yoda" , "Luke" ); List<String> siths = asList( "Lord Sidious" , "Darth Mul" , "Darth Vader" ); List<String> padawans = asList( "Anakin" , "Jarjar" , "Poncho" ); Iterator<Triplet> iter = new TripletIterator (jedis, siths, padawans); while (iter.hasNext()){ Triplet t = iter.next(); System.out.println(t); }
Iterator<Point> pointIterator = new PointParser (); Spliterator<Point> pointSpliterator = Spliterators.spliteratorUnknownSize(pointIterator, Spliterator.IMMUTABLE | Spliterator.NONNULL); Set<Point> result = StreamSupport.stream(pointSpliterator, true ) .filter( this ::withinDistance) .collect(Collectors.toSet());
public <T> LinkedList<T> sort(LinkedList<T> list){ Iterator<T> iter = new list.iterator (); while (iter.hasNext()){ T t = iter.next(); ... } }
public static final Iterator<Integer> RAND_INT_ITER = new AbstractIterator<Integer> () { @Override protected Integer computeNext() { return ThreadLocalRandom.current().nextInt(); } };
final Iterator<Integer> series = new AbstractLinkedIterator<Integer> ( 100 ) { @Override protected Integer computeNext( final Integer previous) { return previous == 80 ? null : previous - 1 ; } }; while (series.hasNext()) { System.out.println(series.next()); }
Iterator<Long> i = new Counter ( 0 , 50 ); while (i.hasNext()) { System.out.println(i.next()); }
int i = 0 ; Iterator<Kid> it = new ArrayIterator<> (kids); StringBuffer sb = new StringBuffer(); while (it.hasNext()) { Kid kid = it.next(); if (!kid.hasToy()) continue ; sb.append(++i).append( "." ).append(kid.getSurname()); if (it.hasNext()) { sb.append( ", " ); } }
List<List<Integer>> elements = Arrays.asList(Arrays.asList( 1 ), Arrays.asList( 2 , 3 ), Arrays.asList( 4 , 5 , 6 )); Iterator<List<Integer>> combinations = new Combinations<> (elements); combinations.forEachRemaining(System.out::println);
String s = "1 56 123 30 0" ; Iterator<Double> it = new DoubleIterator ( new ByteArrayInputStream(s.getBytes())); while (it.hasNext()) { System.out.println(it.next()); } it = new NoiseIterator( new DoubleIterator( new ByteArrayInputStream(s.getBytes()))); while (it.hasNext()) { System.out.println(it.next()); }
List<String> strings = Arrays.asList( "1" , "2" , "3" ) ; Iterator<Integer> iter = new Collector<> ( strings, new Mapper<String,Integer>() { @Override public Integer apply( String v ) { return Integer.parseInt( v ) * 2 ; } } ) ; List<Integer> numbers = new ArrayList<>() ; while ( iter.hasNext() ) { numbers.add( iter.next() ) ; }
Predicate<Object[]> predicate = new Predicate<>() { evaluate(Object[] obj) { return (obj[ 2 ].equals( "Closed" )); } }; Iterator<Object[]> filteredIterator = new FilterIterator<> ( resultList.iterator, predicate );
Iterator sheetInterator = new Itertor (); Set<Object> set = new HashSet(); while (sheetInterator.hasNext()) { Row myrow = (Row) obj.next(); Iterator rowIterator = myrow.iterator(); while (rowIterator.hasNext()) { Cell cell = (Cell) rowIterator.next(); String value = cell.getValue(); if (!set.add(value)){ } } }
How To Write An Iterator Java
Source: https://www.tabnine.com/code/java/methods/java.util.Iterator/%3Cinit%3E
Posted by: sutherlandsalict.blogspot.com
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