Check if a particular key exists in Java LinkedHashMap example : LinkedHashMap « Collections Data Structure « Java

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Java » Collections Data Structure » LinkedHashMap

Check if a particular key exists in Java LinkedHashMap example






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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