Java by API/java.util/LinkedHashSet

LinkedHashSet: add(Integer e)

   <source lang="java">

import java.util.LinkedHashSet; public class Main {

 public static void main(String[] args) {
   LinkedHashSet<Integer> lhashSet = new LinkedHashSet<Integer>();
   System.out.println("Size of LinkedHashSet : " + lhashSet.size());
   lhashSet.add(new Integer("1"));
   lhashSet.add(new Integer("2"));
   lhashSet.add(new Integer("3"));
   System.out.println(lhashSet.size());
   lhashSet.remove(new Integer("1"));
   System.out.println(lhashSet.size());
 }

}

 </source>
   
  
 
  

LinkedHashSet: isEmpty()

   <source lang="java">

      

import java.util.LinkedHashSet; public class Main {

 public static void main(String[] args) {
   LinkedHashSet<Integer> lhashSet = new LinkedHashSet<Integer>();
   lhashSet.add(new Integer("1"));
   lhashSet.add(new Integer("2"));
   lhashSet.add(new Integer("3"));
   System.out.println(lhashSet);
   lhashSet.clear();
   System.out.println(lhashSet);
   System.out.println(lhashSet.isEmpty());
 }

}

 </source>
   
  
 
  

LinkedHashSet: iterator()

   <source lang="java">

import java.util.Iterator; import java.util.LinkedHashSet; public class Main {

 public static void main(String[] args) {
   LinkedHashSet<Integer> lhashSet = new LinkedHashSet<Integer>();
   lhashSet.add(new Integer("1"));
   lhashSet.add(new Integer("2"));
   lhashSet.add(new Integer("3"));
   Iterator itr = lhashSet.iterator();
   while (itr.hasNext()){
     System.out.println(itr.next());
   }
 }

}

 </source>
   
  
 
  

LinkedHashSet: remove(Object o)

   <source lang="java">

import java.util.LinkedHashSet; public class Main {

 public static void main(String[] args) {
   LinkedHashSet<Integer> lhashSet = new LinkedHashSet<Integer>();
   System.out.println("Size of LinkedHashSet : " + lhashSet.size());
   lhashSet.add(new Integer("1"));
   lhashSet.add(new Integer("2"));
   lhashSet.add(new Integer("3"));
   System.out.println(lhashSet.size());
   lhashSet.remove(new Integer("1"));
   System.out.println(lhashSet.size());
 }

}

 </source>
   
  
 
  

LinkedHashSet: size()

   <source lang="java">

import java.util.LinkedHashSet; public class Main {

 public static void main(String[] args) {
   LinkedHashSet<Integer> lhashSet = new LinkedHashSet<Integer>();
   System.out.println("Size of LinkedHashSet : " + lhashSet.size());
   lhashSet.add(new Integer("1"));
   lhashSet.add(new Integer("2"));
   lhashSet.add(new Integer("3"));
   System.out.println(lhashSet.size());
   lhashSet.remove(new Integer("1"));
   System.out.println(lhashSet.size());
 }

}

 </source>
   
  
 
  

LinkedHashSet: toArray()

   <source lang="java">

import java.util.LinkedHashSet; public class Main {

 public static void main(String[] args) {
   LinkedHashSet<Integer> lhashSet = new LinkedHashSet<Integer>();
   lhashSet.add(new Integer("1"));
   lhashSet.add(new Integer("2"));
   lhashSet.add(new Integer("3"));
   Object[] objArray = lhashSet.toArray();
   for (Object inte: objArray){
     System.out.println(inte);
   }
 }

}

 </source>
   
  
 
  

new LinkedHashSet()

   <source lang="java">
 

import java.util.LinkedHashSet; import java.util.Set; public class Main {

 public static Set fill(Set a, int size) {
   for (int i = 0; i < size; i++)
     a.add(new Integer(i));
   return a;
 }
 public static void test(Set a) {
   fill(a, 10);
   System.out.println(a);
 }
 public static void main(String[] args) {
   test(new LinkedHashSet());
 }

}

 </source>