How has WeakHashMap changed in recent Java versions?

WeakHashMap, Java, Data Structures, Java Collections, Memory Management
This document explains the changes and enhancements made to the WeakHashMap class in recent versions of Java, focusing on its memory management capabilities and performance improvements.
// Example of using WeakHashMap in Java import java.util.WeakHashMap; public class WeakHashMapExample { public static void main(String[] args) { WeakHashMap weakMap = new WeakHashMap<>(); String key = new String("Key"); String value = "Value"; weakMap.put(key, value); System.out.println("WeakHashMap before nullifying key: " + weakMap); // Nullifying key reference key = null; // Requesting garbage collection System.gc(); // Now the entry should be collected System.out.println("WeakHashMap after nullifying key: " + weakMap); } }

WeakHashMap Java Data Structures Java Collections Memory Management