HashMap Basic

import java.util.HashMap;

public class HashMapAwesomeness {
    public static void main(String[] args) {
        int a=10;
        int b=3;
        int c=88;

        HashMap<String,Integer> happy=new HashMap<String,Integer>();
        //left side is key and right side is what is stored in it

        happy.put("a",10);
        happy.put("b",3);
        happy.put("c",88);

        System.out.println(happy);
        System.out.println(happy.get("c"));
    }
}