import java.util.HashMap;
import java.util.Map;
import java.util.Set;
public class HashMapIterate {
public static void main(String[] args) {
Map<Integer,String> hm = new HashMap<Integer,String>();
/*
* Associates the specified value with the specified key in
this map (optional operation). If the map previously
contained a mapping for the key, the old value is
replaced by the specified value
*/
hm.put(1,"ankush");
hm.put(2, "amit");
hm.put(3,"shivam");
hm.put(4,"ankit");
hm.put(5, "yogesh");
Set<Integer> keys = hm.keySet();
for (Integer key : keys) {
System.out.println("key ="+key+" value = "+hm.get(key));
}
}
}
Output:
key =1 value = ankush
key =2 value = amit
key =3 value = shivam
key =4 value = ankit
key =5 value = yogesh
