交互设计算法基础（4） - Hash Table

 1   
 2 import java.util.Map;
 3 
 4 // Note the HashMap‘s "key" is a String and "value" is an Integer
 5 HashMap<String,Integer> hm = new HashMap<String,Integer>();
 6 
 7 // Putting key-value pairs in the HashMap
 8 hm.put("Ava", 1);
 9 hm.put("Cait", 35);
10 hm.put("Casey", 36);
11 
12 // Using an enhanced loop to interate over each entry
13 for (Map.Entry me : hm.entrySet()) {
14   print(me.getKey() + " is ");
15   println(me.getValue());
16 }
17 
18 // We can also access values by their key
19 int val = hm.get("Casey");
20 println("Casey is " + val);