Java.util.LinkedHashMap.clear() Method


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Description

The java.util.LinkedHashMap.clear() method removes all of the mappings from this map. The map will be empty after this call returns.

Declaration

Following is the declaration for java.util.LinkedHashMap.clear() method

public void clear()

Parameters

NA

Return Value

This method does not return a value.

Exception

NA

Example

The following example shows the usage of java.util.LinkedHashMap.clear() method.

Live Demo
package com.tutorialspoint;

import java.util.*;

public class BitSetDemo {
   public static void main(String[] args) {

      // create a new linked hash map
      LinkedHashMap map = new LinkedHashMap(5);

      // add some values in the map
      map.put("One", 1);
      map.put("Two", 2);
      map.put("Three", 3);

      // print the map
      System.out.println("Map:" + map);

      // clear the map
      map.clear();

      // print the map
      System.out.println("Map:" + map);
   }
}

Let us compile and run the above program, this will produce the following result −

Map:{One=1, Two=2, Three=3}
Map:{}

java_util_linkedhashmap.htm

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