java map declaration
// Java program to demonstrate working of Map interface
import java.util.*;
class HashMapDemo
{
public static void main(String args[])
{
Map< String,Integer> hm =
new HashMap< String,Integer>();
hm.put("a", new Integer(100));
hm.put("b", new Integer(200));
hm.put("c", new Integer(300));
hm.put("d", new Integer(400));
// Returns Set view
Set< Map.Entry< String,Integer> > st = hm.entrySet();
for (Map.Entry< String,Integer> me:st)
{
System.out.print(me.getKey()+":");
System.out.println(me.getValue());
}
}
}