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Java Collections -LinkedHashMap -- LinkedHashMap implements Map Interface
Java.util.LinkedHashMap -Example--JavaCollections
Java.util.LinkedHashMap
Java Collections -LinkedHashMap
LinkedHashMap implements Map Interface
Example
import java.util.Enumeration;
import java.util.Iterator;
import java.util.LinkedHashMap;
// Order of Entry is guaranteed in linked HashMap
public class LinkedHashMapDemo {
public LinkedHashMap buildLinkedHashMap(){
LinkedHashMap linkedHashMap = new LinkedHashMap();
linkedHashMap.put( "Name" , "Venugopal Darur" );
linkedHashMap.put( "RollNo" , "639" );
linkedHashMap.put( "College" , "Vasavi College Of Engineering" );
linkedHashMap.put( "City" , "Hyderabad" );
linkedHashMap.put( "State" , "Andhra Pradesh" );
linkedHashMap.put( "Country" , "India" );
return linkedHashMap;
}
public void printLinkedHashMap( LinkedHashMap linkedHashMap ){
Iterator iterator = linkedHashMap.keySet().iterator();
while ( iterator.hasNext() ){
String key = ( String ) iterator.next();
String value = ( String ) linkedHashMap.get( key );
System.out.println( key + "\t\t: \t" + value );
}
}
public static void main( String [] args ){
LinkedHashMapDemo linkedHashMapDemo = new LinkedHashMapDemo( );
LinkedHashMap linkedHashMap =linkedHashMapDemo.buildLinkedHashMap();
linkedHashMapDemo.printLinkedHashMap( linkedHashMap );
}
}
Output :
Name : Venugopal Darur
RollNo : 639
College : Vasavi College Of Engineering
City : Hyderabad
State : Andhra Pradesh
Country : India
Please send comments to vgdarur.javafive@blogger.com
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