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






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

HashMap: clear()

  

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");
    map.clear();

    System.out.println(map);
  }
}








Related examples in the same category

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