containsValue()

Java HashMap containsValue() metodi

Misol

Map’da qiymat mavjudligini tekshirish:

import java.util.HashMap;

public class Main {
  public static void main(String[] args) {
    HashMap<String, String> capitalCities = new HashMap<String, String>();
    capitalCities.put("England", "London");
    capitalCities.put("Germany", "Berlin");
    capitalCities.put("Norway", "Oslo");
    capitalCities.put("USA", "Washington DC");
    System.out.println(capitalCities.containsValue("London"));
    System.out.println(capitalCities.containsValue("Ottawa"));
  }
}

O‘zingiz sinab ko‘ring »

Ta’rif va qo‘llanilishi

containsValue() metodi map’da ko‘rsatilgan qiymatli element mavjud bo‘lsa true, aks holda false qaytaradi.

Sintaksis

public boolean containsValue(Object value)

Parametr qiymatlari

Parametr	Tavsif
value	Majburiy. Qidiriladigan qiymat

Texnik tafsilotlar

Qaytaradi:	Map’da ko‘rsatilgan qiymatli element mavjud bo‘lsa `true`, aks holda `false`.

Tegishli sahifalar

Java HashMap darsligi

❮ HashMap metodlari

W3Schools Pathfinder

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