Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

import java.lang.ref.Reference;
import java.lang.ref.ReferenceQueue;
import java.lang.ref.WeakReference;

public class Main {
    public static void main(String[] argv) throws Exception {
        ReferenceQueue rq = new ReferenceQueue();
        WeakReference<String> wr = new WeakReference<String>("string", rq);

        while (true) {
            Reference r = rq.remove();
            if (r == wr) {
                System.out.println("no longer referenced");
            }
        }
    }
}