Example usage for java.util WeakHashMap size

Introduction

In this page you can find the example usage for java.util WeakHashMap size.

Prototype

int size

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Document

The number of key-value mappings contained in this weak hash map.

Usage

From source file:Main.java

public static void main(String[] args) {
    WeakHashMap<String, String> weakHashMap = new WeakHashMap<String, String>();

    System.out.println("Putting values into the Map");
    weakHashMap.put("1", "first");
    weakHashMap.put("2", "two");
    weakHashMap.put("3", "from java2s.com");

    // checking the size of the Map
    System.out.println("Map size: " + weakHashMap.size());
}

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