“Hashmap in Java” Code-Antworten

Hashmap in Java

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));
        }
    }
}
Kumaran KM

Hashmap Java

package org.o7planning.tutorial.javacollection.helloworld;

import java.util.HashMap;

public class HelloHashMap {

	public static void main(String[] args) {

		// Créer un objet HashMap qui stocke les paires des ID d'employés et des salaires.
		// Clé de chaîne: ID d'employé
		// Valeur flottante: Salaire.
		HashMap<String, Float> salaryMap = new HashMap<String, Float>();
	 

		salaryMap.put("E01", 1000f);
		salaryMap.put("E02", 12000f);
		salaryMap.put("E03", 12300f);
		salaryMap.put("E04", 1000f);
		salaryMap.put("E05", 300.5f);
		
		// Obtenir les salaires des employés 'E02'
		Float salary= salaryMap.get("E01");
		System.out.println("Salary of employee E01 = "+ salary);
		
		// Mettre à jour le salaire pour les employés 'E05'
		salaryMap.put("E05", 400f);
		
		System.out.println("Salary of employee E05 = "+ salaryMap.get("E05"));
		 
	}

}
Tame Tortoise

Hashmap Java

    private static final Map<Integer, String> map = Map.of(
        1, "one",
        2, "two"
    );
Vivacious Vulture

Java Hashmap

import java.util.HashMap; // import the HashMap class

HashMap<String, String> capitalCities = new HashMap<String, String>();
naly moslih

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