Search a value for a given key in a HashMap

Question

How do you search for a key in a HashMap? In this program, when the user enters a key the code should arrange to search the hashmap for the corresponding value and

Answer 1

//If you want the key to be integer then you will have to declare the hashmap //as below :

HashMap map = new HashMap();
map.put(0, "x");
map.put(1, "y");
map.put(2, "z");

//input a integer value x

String value = map.get(x);