How to know about OutOfMemory or StackOverflow errors ahead of time

Question

In Java, is there a way to know that a StackOverflow error or OutOfMemory exception may happen soon?

The OutOfMemory exception m

Answer 1

One useful thing you can do is use SoftReferences for caches. That will give you a gradual performance slide as you run out of memory. Just don't use WeakReference even in a WeakHashMap because it will annoy me when your application dies nastily on me.