HashMap: size() : HashMap « java.util « Java by API

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Java by API » java.util » HashMap

HashMap: size()


  



import java.util.HashMap;

import java.util.Map;



public class Main{

  public static void main(String[] a) {

    Map<String,String> map = new HashMap<String,String>();

    map.put("key1", "value1");

    map.put("key2", "value2");

    map.put("key3", "value3");



    System.out.println(map.size());

  }

}

Related examples in the same category

1.	new HashMap < K, V > ()
2.	HashMap: clear()
3.	HashMap: clone()
4.	HashMap: containsKey(Object key)
5.	HashMap: containsValue(Object value)
6.	HashMap: entrySet()
7.	HashMap: keySet()
8.	HashMap: get(E o)
9.	HashMap: put(E o, E o1)
10.	HashMap: putAll(Map m)
11.	HashMap: remove(Object key)
12.	HashMap: values()

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