Example usage for java.util Iterator next

List of usage examples for java.util Iterator next

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Introduction

In this page you can find the example usage for java.util Iterator next.

Prototype

E next();

Source Link

Document

Returns the next element in the iteration.

Usage

From source file:SortedSetDemo.java

public static void main(String[] args) {
    SortedSet sortedSet = new TreeSet(Arrays.asList("one two three four five six seven eight".split(" ")));
    System.out.println(sortedSet);
    Object low = sortedSet.first(), high = sortedSet.last();
    System.out.println(low);//w w  w.  ja v a 2 s  .c  o m
    System.out.println(high);
    Iterator it = sortedSet.iterator();
    for (int i = 0; i <= 6; i++) {
        if (i == 3)
            low = it.next();
        if (i == 6)
            high = it.next();
        else
            it.next();
    }
    System.out.println(low);
    System.out.println(high);
    System.out.println(sortedSet.subSet(low, high));
    System.out.println(sortedSet.headSet(high));
    System.out.println(sortedSet.tailSet(low));
}

From source file:Main.java

public static void main(String[] args) {
    HashMap<String, Integer> map = new HashMap<String, Integer>();
    map.put("d", 5);
    map.put("c", 4);
    map.put("b", 2);
    map.put("a", 1);

    Integer value[] = new Integer[map.size()];

    Set keySet = map.keySet();//from   w ww  . j a  v a 2 s  . com
    Iterator t = keySet.iterator();
    int a = 0;
    while (t.hasNext()) {
        value[a] = map.get(t.next());
        a++;
    }

    Arrays.sort(value);

    for (int i = 0; i < map.size(); i++) {
        t = keySet.iterator();
        while (t.hasNext()) {
            String temp = (String) t.next();
            if (value[i].equals(map.get(temp))) {
                System.out.println(value[i] + " = " + temp);
            }
        }
    }
}

From source file:la.alsocan.jsonshapeshifter.Main.java

/**
 * An entry point, to test the library in action.
 * @param args Console args (nothing expected here so far)
 * @throws IOException if the payload cannot be read
 *///from ww  w . j  av a2s .  c om
public static void main(String[] args) throws IOException {

    Schema source;
    Schema target;
    try {
        source = Schema.buildSchema(SOURCE_SCHEMA);
        target = Schema.buildSchema(TARGET_SCHEMA);
    } catch (IOException ex) {
        System.err.println("Oups: " + ex);
        return;
    }

    // build the transformation incrementally
    Transformation t = new Transformation(source, target);
    Iterator<SchemaNode> it = t.toBind();
    t.bind(it.next(), new ArrayNodeBinding(source.at("/rootSourceArray")));
    t.bind(it.next(), new ArrayNodeBinding(source.at("/rootSourceArray/{i}")));
    t.bind(it.next(), new StringConstantBinding("Constant value"));
    t.bind(it.next(), new StringNodeBinding(source.at("/rootSourceString")));
    t.bind(it.next(), new ArrayNodeBinding(source.at("/rootSourceArray/{i}/{i}/someSourceArray")));
    t.bind(it.next(), new StringNodeBinding(source.at("/rootSourceArray/{i}/{i}/someSourceArray/{i}")));

    // produce something
    JsonNode payload = new ObjectMapper().readTree(new File(SOURCE_PAYLOAD));
    JsonNode result = t.apply(payload);
    ObjectMapper om = new ObjectMapper();
    try {
        System.out.println("Original payload:");
        System.out.println(om.writerWithDefaultPrettyPrinter().writeValueAsString(payload));
        System.out.println("\nResulting payload:");
        System.out.println(om.writerWithDefaultPrettyPrinter().writeValueAsString(result));
    } catch (JsonProcessingException ex) {
        System.err.println("Oups: " + ex);
    }
}

From source file:Main.java

public static void main(String[] args) {
    ArrayList aList = new ArrayList();
    aList.add("1");
    aList.add("2");
    aList.add("3");
    aList.add("4");
    aList.add("java2 s .com");
    System.out.println("ArrayList: ");
    System.out.println(aList);/*w w w .  java2s . com*/
    Iterator itr = aList.iterator();
    String strElement = "";
    while (itr.hasNext()) {
        strElement = (String) itr.next();
        if (strElement.equals("2")) {
            itr.remove();
            break;
        }
    }
    System.out.println("ArrayList after removal : ");
    System.out.println(aList);
}

From source file:com.discursive.jccook.bean.BeanUtilExample.java

public static void main(String[] pArgs) {

    if (pArgs.length > 0 && pArgs[0] != null) {
        propName = pArgs[0];/*w  w  w. ja v  a 2s.c  o  m*/
    }
    System.out.println("Getting Property: " + propName);

    List books = createBooks();

    Iterator i = books.iterator();
    while (i.hasNext()) {
        Book book = (Book) i.next();
        Object propVal = null;
        try {
            propVal = PropertyUtils.getProperty(book, propName);
        } catch (Exception e) {
            System.out.println("Error getting property: " + propName + ", from book: " + book.getName()
                    + ", exception: " + e.getMessage());
        }
        System.out.println("Property Value: " + propVal);
    }
}

From source file:Employee.java

public static void main(String args[]) {
    LinkedList<Employee> phonelist = new LinkedList<Employee>();

    phonelist.add(new Employee("A", "1"));
    phonelist.add(new Employee("B", "2"));
    phonelist.add(new Employee("C", "3"));

    Iterator<Employee> itr = phonelist.iterator();

    Employee pe;//from   w  w  w  . j a v a2s.  c o  m
    while (itr.hasNext()) {
        pe = itr.next();
        System.out.println(pe.name + ": " + pe.number);
    }
    ListIterator<Employee> litr = phonelist.listIterator(phonelist.size());

    while (litr.hasPrevious()) {
        pe = litr.previous();
        System.out.println(pe.name + ": " + pe.number);
    }
}

From source file:Main.java

public static void main(String args[]) {
    HashSet<String> newset = new HashSet<String>();

    // populate hash set
    newset.add("Learning");
    newset.add("from");
    newset.add("java2s.com");

    // create an iterator
    Iterator iterator = newset.iterator();

    // check values
    while (iterator.hasNext()) {
        System.out.println("Value: " + iterator.next() + " ");
    }/*from  w  w w  .ja va 2 s .com*/
}

From source file:Person.java

public static void main(String args[]) {
    ArrayList<Person> names = new ArrayList<Person>();
    names.add(new Person("E", "T"));
    names.add(new Person("A", "G"));
    names.add(new Person("B", "H"));
    names.add(new Person("C", "J"));

    Iterator iter1 = names.iterator();
    while (iter1.hasNext()) {
        System.out.println(iter1.next());
    }//from w w  w . j ava  2s.  c  o m
    Collections.sort(names, new PersonComparator());
    Iterator iter2 = names.iterator();
    while (iter2.hasNext()) {
        System.out.println(iter2.next());
    }
}

From source file:Main.java

public static void main(String[] args) {

    // create a LinkedList
    LinkedList<String> list = new LinkedList<String>();

    // add some elements
    list.add("Hello");
    list.add("from java2s.com");
    list.add("10");

    // print the list
    System.out.println("LinkedList:" + list);

    // set Iterator at specified index
    Iterator x = list.listIterator(1);

    // print list with the iterator
    while (x.hasNext()) {
        System.out.println(x.next());
    }/*from   w  ww. j  a  va  2 s .c o m*/
}

From source file:ArraySet.java

public static void main(String args[]) {
    String elements[] = { "A", "B", "C", "D", "E" };
    Set set = new ArraySet(Arrays.asList(elements));
    Iterator iter = set.iterator();
    while (iter.hasNext()) {
        System.out.println(iter.next());
    }/*from   w ww.  ja v  a 2 s.  co  m*/
}