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Create HashMap in Java

SAMER SAEID answered on February 20, 2020 Popularity 10/10 Helpfulness 4/10

answer Create HashMap in Java

Create HashMap in Java

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import java.util.HashMap;

class Main {
  public static void main(String[] args) {

    // create a hashmap
    HashMap<String, Integer> languages = new HashMap<>();

    // add elements to hashmap
    languages.put("Java", 8);
    languages.put("JavaScript", 1);
    languages.put("Python", 3);
    System.out.println("HashMap: " + languages);
  }
}

Popularity 10/10 Helpfulness 4/10 Language java

Source: Grepper

Tags: hashmap java

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Contributed on May 25 2022

SAMER SAEID

0 Answers Avg Quality 2/10

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new hashmap java

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Map<String, String> myMap = new HashMap<String, String>() {{
        put("a", "b");
        put("c", "d");
    }};

Popularity 10/10 Helpfulness 7/10 Language java

Source: stackoverflow.com

Tags: hashmap

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Contributed on May 21 2020

Fair Fly

0 Answers Avg Quality 2/10

Create a HashMap

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      // Creating an empty HashMap
      HashMap<Integer, String> hash_map = new HashMap<Integer, String>();
  
      // Mapping string values to int keys
      hash_map.put(10, "I");
      hash_map.put(15, "Love");
      hash_map.put(20, "ZOZO");
      hash_map.put(25, "❤");

Popularity 9/10 Helpfulness 5/10 Language java

Source: www.geeksforgeeks.org

Tags: hashmap

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Contributed on Jul 21 2022

ZOZO

0 Answers Avg Quality 2/10

declare hashmap java

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//remember to first import java.util.*; first

//you can swap out string or integer for other data types
Map<String, Integer> d = new HashMap<>();

Popularity 10/10 Helpfulness 5/10 Language java

Source: docs.google.com

Tags: declare

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Contributed on Feb 20 2020

Jeffrey Huang

0 Answers Avg Quality 2/10

declare a hashmap in java

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   HashMap<Integer,String> map=new HashMap<Integer,String>();//Creating HashMap

Popularity 10/10 Helpfulness 4/10 Language java

Source: www.javatpoint.com

Tags: declare

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Contributed on Jan 21 2021

Thoughtless Turtle

0 Answers Avg Quality 2/10

hashmap in java

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import java.util.HashMap;
import java.util.Map;
import java.util.Set;

public class HashhMap {
    public static void main(String[] args){
        Map<String, String> map = new HashMap<>();
        map.put("myName","Kumaran");
        map.put("myProgram", "Java");
        map.put("Designation", "Java Developer");

        Set<String> key = map.keySet();


        for(String keys: key){
            System.out.println(keys+ " : "  +map.get(keys));
        }
    }
}

Popularity 10/10 Helpfulness 3/10 Language java

Source: Grepper

Tags: hashmap

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Contributed on May 06 2022

Kumaran KM

0 Answers Avg Quality 2/10

command to create a Hashmap in Java

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HashMap<String, String> bio_data = new HashMap<String, String>();

Popularity 8/10 Helpfulness 3/10 Language java

Source: softhunt.net

Tags: command hashmap

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Contributed on Apr 10 2022

Outrageous Ostrich

0 Answers Avg Quality 2/10

java define hashmap

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HashMap<Integer, Integer> times = new HashMap<Integer, Integer>();

Popularity 9/10 Helpfulness 2/10 Language java

Source: Grepper

Tags: hashmap

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Contributed on Apr 09 2023

AB_498

0 Answers Avg Quality 2/10

new hashmap java

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// this works for up to 10 elements:
Map<String, String> test1 = Map.of(
    "a", "b",
    "c", "d"
);

// this works for any number of elements:
import static java.util.Map.entry;    
Map<String, String> test2 = Map.ofEntries(
    entry("a", "b"),
    entry("c", "d")
);

Popularity 9/10 Helpfulness 2/10 Language java

Source: nullorempty.org

Tags: hashmap

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Contributed on Mar 15 2022

Exuberant Earthworm

0 Answers Avg Quality 2/10

Create HashMap in Java

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Create HashMap in Java

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