LinkedHashMap: containsKey(Object key) : LinkedHashMap « java.util « Java by API






  1. Java by API
  2. java.util
  3. LinkedHashMap

LinkedHashMap: containsKey(Object key)

 

import java.util.LinkedHashMap;

public class Main {
  public static void main(String[] args) {
    LinkedHashMap<String,String> lHashMap = new LinkedHashMap<String,String>();

    lHashMap.put("1", "One");
    lHashMap.put("2", "Two");
    lHashMap.put("3", "Three");

    boolean blnExists = lHashMap.containsKey("3");
    System.out.println(blnExists);
  }
}








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2.new LinkedHashMap(int initialCapacity, float loadFactor, boolean accessOrder)
3.LinkedHashMap: clear()
4.LinkedHashMap: containsValue(Object value)
5.LinkedHashMap: get(Object key)
6.LinkedHashMap: put(K key, V value)
7.LinkedHashMap: remove(Object key)
8.LinkedHashMap: size()
9.LinkedHashMap: values()