import java.util.*;

class TestMap

{

public static void main( String[] args){

//Map<String, String> map = new HashMap<String, String>();

Map<String, String> map = new TreeMap<String, String>();

map.put("b", "Brazil");

map.put("r", "Russia");

map.put("i", "India");

map.put("c", "China");

map.put("k", "South Africa");

//map.put(new String("c"), "China2");

//map.put(new String("b"), "Brazil3");

System.out.println( map.get("c") );

for( String key : map.keySet() )

System.out.println( key +":" + map.get(key) );

for( String value : map.values() )

System.out.println( value );

for( Map.Entry<String,String> entry : map.entrySet() )

System.out.println( entry.getKey() +":" + entry.getValue() );

Iterator it = map.entrySet().iterator();

while(it.hasNext()){

Map.Entry<String,String> entry = (Map.Entry<String,String>)it.next();

System.out.println( entry.getKey() +":" + entry.getValue() );

}

}

}