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17 lines
438 B
Java
17 lines
438 B
Java
Determining When an Object Is No Longer Used
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// Create the weak reference.
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ReferenceQueue rq = new ReferenceQueue();
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WeakReference wr = new WeakReference(object, rq);
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// Wait for all the references to the object.
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try {
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while (true) {
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Reference r = rq.remove();
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if (r == wr) {
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// Object is no longer referenced.
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}
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}
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} catch (InterruptedException e) {
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}
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