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		<title>Java Tutorial/Collections/LinkedHashSet - История изменений</title>
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		<updated>2026-04-11T01:25:11Z</updated>
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	<entry>
		<id>http://jexp.ru/index.php?title=Java_Tutorial/Collections/LinkedHashSet&amp;diff=4704&amp;oldid=prev</id>
		<title>Admin: 1 версия</title>
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				<updated>2010-06-01T05:04:49Z</updated>
		
		<summary type="html">&lt;p&gt;1 версия&lt;/p&gt;
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				&lt;td colspan=&quot;1&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Версия 05:04, 1 июня 2010&lt;/td&gt;
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		<author><name>Admin</name></author>	</entry>

	<entry>
		<id>http://jexp.ru/index.php?title=Java_Tutorial/Collections/LinkedHashSet&amp;diff=4703&amp;oldid=prev</id>
		<title> в 17:44, 31 мая 2010</title>
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				<updated>2010-05-31T17:44:27Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Новая страница&lt;/b&gt;&lt;/p&gt;&lt;div&gt;==  Get Size of Java LinkedHashSet ==&lt;br /&gt;
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  &amp;lt;!-- start source code --&amp;gt;&lt;br /&gt;
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    &amp;lt;source lang=&amp;quot;java&amp;quot;&amp;gt;&lt;br /&gt;
import java.util.LinkedHashSet;&lt;br /&gt;
public class Main {&lt;br /&gt;
  public static void main(String[] args) {&lt;br /&gt;
    LinkedHashSet&amp;lt;Integer&amp;gt; lhashSet = new LinkedHashSet&amp;lt;Integer&amp;gt;();&lt;br /&gt;
    System.out.println(&amp;quot;Size of LinkedHashSet : &amp;quot; + lhashSet.size());&lt;br /&gt;
    lhashSet.add(new Integer(&amp;quot;1&amp;quot;));&lt;br /&gt;
    lhashSet.add(new Integer(&amp;quot;2&amp;quot;));&lt;br /&gt;
    lhashSet.add(new Integer(&amp;quot;3&amp;quot;));&lt;br /&gt;
    System.out.println(lhashSet.size());&lt;br /&gt;
    lhashSet.remove(new Integer(&amp;quot;1&amp;quot;));&lt;br /&gt;
    System.out.println(lhashSet.size());&lt;br /&gt;
  }&lt;br /&gt;
}&amp;lt;/source&amp;gt;&lt;br /&gt;
    &lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;!-- end source code --&amp;gt;&lt;br /&gt;
   &lt;br /&gt;
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==  Iterate through elements of Java LinkedHashSet ==&lt;br /&gt;
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  &amp;lt;!-- start source code --&amp;gt;&lt;br /&gt;
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    &amp;lt;source lang=&amp;quot;java&amp;quot;&amp;gt;&lt;br /&gt;
import java.util.Iterator;&lt;br /&gt;
import java.util.LinkedHashSet;&lt;br /&gt;
public class Main {&lt;br /&gt;
  public static void main(String[] args) {&lt;br /&gt;
    LinkedHashSet&amp;lt;Integer&amp;gt; lhashSet = new LinkedHashSet&amp;lt;Integer&amp;gt;();&lt;br /&gt;
    lhashSet.add(new Integer(&amp;quot;1&amp;quot;));&lt;br /&gt;
    lhashSet.add(new Integer(&amp;quot;2&amp;quot;));&lt;br /&gt;
    lhashSet.add(new Integer(&amp;quot;3&amp;quot;));&lt;br /&gt;
    Iterator itr = lhashSet.iterator();&lt;br /&gt;
    while (itr.hasNext()){&lt;br /&gt;
      System.out.println(itr.next());&lt;br /&gt;
    }&lt;br /&gt;
  }&lt;br /&gt;
}&amp;lt;/source&amp;gt;&lt;br /&gt;
    &lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;!-- end source code --&amp;gt;&lt;br /&gt;
   &lt;br /&gt;
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==  Putting your own type in a LinkedHashSet ==&lt;br /&gt;
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   &lt;br /&gt;
  &amp;lt;!-- start source code --&amp;gt;&lt;br /&gt;
   &lt;br /&gt;
    &amp;lt;source lang=&amp;quot;java&amp;quot;&amp;gt;&lt;br /&gt;
import java.util.LinkedHashSet;&lt;br /&gt;
import java.util.Set;&lt;br /&gt;
public class MainClass {&lt;br /&gt;
  public static Set fill(Set a, int size) {&lt;br /&gt;
    for (int i = 0; i &amp;lt; size; i++)&lt;br /&gt;
      a.add(new MyType(i));&lt;br /&gt;
    return a;&lt;br /&gt;
  }&lt;br /&gt;
  public static void test(Set a) {&lt;br /&gt;
    fill(a, 10);&lt;br /&gt;
    fill(a, 10); // Try to add duplicates&lt;br /&gt;
    fill(a, 10);&lt;br /&gt;
    System.out.println(a);&lt;br /&gt;
  }&lt;br /&gt;
  public static void main(String[] args) {&lt;br /&gt;
    test(new LinkedHashSet());&lt;br /&gt;
  }&lt;br /&gt;
}&lt;br /&gt;
class MyType implements Comparable {&lt;br /&gt;
  private int i;&lt;br /&gt;
  public MyType(int n) {&lt;br /&gt;
    i = n;&lt;br /&gt;
  }&lt;br /&gt;
  public boolean equals(Object o) {&lt;br /&gt;
    return (o instanceof MyType) &amp;amp;&amp;amp; (i == ((MyType) o).i);&lt;br /&gt;
  }&lt;br /&gt;
  public int hashCode() {&lt;br /&gt;
    return i;&lt;br /&gt;
  }&lt;br /&gt;
  public String toString() {&lt;br /&gt;
    return i + &amp;quot; &amp;quot;;&lt;br /&gt;
  }&lt;br /&gt;
  public int compareTo(Object o) {&lt;br /&gt;
    int i2 = ((MyType) o).i;&lt;br /&gt;
    return (i2 &amp;lt; i ? -1 : (i2 == i ? 0 : 1));&lt;br /&gt;
  }&lt;br /&gt;
}&lt;br /&gt;
//&amp;lt;/source&amp;gt;&lt;br /&gt;
    &lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;!-- end source code --&amp;gt;&lt;br /&gt;
   &lt;br /&gt;
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&amp;lt;pre class=codeResult&amp;gt;[0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 ]&amp;lt;/pre&amp;gt;&lt;br /&gt;
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==  Remove all elements from Java LinkedHashSet ==&lt;br /&gt;
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   &lt;br /&gt;
  &amp;lt;!-- start source code --&amp;gt;&lt;br /&gt;
   &lt;br /&gt;
    &amp;lt;source lang=&amp;quot;java&amp;quot;&amp;gt;&lt;br /&gt;
import java.util.LinkedHashSet;&lt;br /&gt;
public class Main {&lt;br /&gt;
  public static void main(String[] args) {&lt;br /&gt;
    LinkedHashSet&amp;lt;Integer&amp;gt; lhashSet = new LinkedHashSet&amp;lt;Integer&amp;gt;();&lt;br /&gt;
    lhashSet.add(new Integer(&amp;quot;1&amp;quot;));&lt;br /&gt;
    lhashSet.add(new Integer(&amp;quot;2&amp;quot;));&lt;br /&gt;
    lhashSet.add(new Integer(&amp;quot;3&amp;quot;));&lt;br /&gt;
    System.out.println(lhashSet);&lt;br /&gt;
    lhashSet.clear();&lt;br /&gt;
    System.out.println(lhashSet);&lt;br /&gt;
    System.out.println(lhashSet.isEmpty());&lt;br /&gt;
  }&lt;br /&gt;
}&amp;lt;/source&amp;gt;&lt;br /&gt;
    &lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;!-- end source code --&amp;gt;&lt;br /&gt;
   &lt;br /&gt;
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==  Remove specified element from Java LinkedHashSet ==&lt;br /&gt;
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   &lt;br /&gt;
  &amp;lt;!-- start source code --&amp;gt;&lt;br /&gt;
   &lt;br /&gt;
    &amp;lt;source lang=&amp;quot;java&amp;quot;&amp;gt;&lt;br /&gt;
import java.util.LinkedHashSet;&lt;br /&gt;
public class Main {&lt;br /&gt;
  public static void main(String[] args) {&lt;br /&gt;
    LinkedHashSet&amp;lt;Integer&amp;gt; lhashSet = new LinkedHashSet&amp;lt;Integer&amp;gt;();&lt;br /&gt;
    &lt;br /&gt;
    lhashSet.add(new Integer(&amp;quot;1&amp;quot;));&lt;br /&gt;
    lhashSet.add(new Integer(&amp;quot;2&amp;quot;));&lt;br /&gt;
    lhashSet.add(new Integer(&amp;quot;3&amp;quot;));&lt;br /&gt;
    System.out.println(lhashSet);&lt;br /&gt;
    boolean blnRemoved = lhashSet.remove(new Integer(&amp;quot;2&amp;quot;));&lt;br /&gt;
    System.out.println(blnRemoved);&lt;br /&gt;
    System.out.println(lhashSet);&lt;br /&gt;
  }&lt;br /&gt;
}&amp;lt;/source&amp;gt;&lt;br /&gt;
    &lt;br /&gt;
   &lt;br /&gt;
  &amp;lt;!-- end source code --&amp;gt;&lt;/div&gt;</summary>
			</entry>

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