Java Map.remove(Object key)

Syntax

Map.remove(Object key) has the following syntax.

V remove(Object key)

Example

In the following code shows how to use Map.remove(Object key) method.


 //from  www. j a  v a 2 s  . c o  m
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.remove("key3");

    System.out.println(map);
  }
}

The code above generates the following result.