hashmap java
private static final Map<Integer, String> map = Map.of(
1, "one",
2, "two"
);hashmap java
private static final Map<Integer, String> map = Map.of(
1, "one",
2, "two"
);Implementation of HashMap Class in Java map
// Java Program to illustrate the Hashmap Class
// Importing required classes
import java.util.*;
// Main class
public class Main {
// Main driver method
public static void main(String[] args)
{
// Creating an empty HashMap
Map<String, Integer> hashmap = new HashMap<>();
// Inserting entries in the Map
// using put() method
hashmap.put("Banana", 100);
hashmap.put("Orange", 200);
hashmap.put("Mango", 300);
hashmap.put("Apple", 400);
// Iterating over Map
for (Map.Entry<String, Integer> e : hashmap.entrySet())
// Printing key-value pairs
System.out.println(e.getKey() + " "+ e.getValue());
}
}Copyright © 2021 Codeinu
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