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Computing with Data

elgeish
62.8K views

HashMap

import java.util.HashMap;
public class HashMapExample {
public static void main(final String[] args) {
HashMap<String, Double> hm = new HashMap<>();
// Insert three elements
hm.put("John", 1.0);
hm.put("Mary", 3.0);
hm.put("Jane", 2.0);
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