examples of garbage collection bottlenecks -

I remember that someone is telling me a good but I can not remember it. I've spent the last 20 minutes with Google to learn more.

Examples of bad / no great codes that affect performance due to garbage collection?

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public class stack {Private Static Final Inc. MAXLEN = 10; Private object stk [] = new object [MAXLEN]; Private int stkp = -1; Public Zero Push (Object P) {stk [++ stkp] = p;} Public Object Pop () {return stk [stkp--];}}

Pop method again Writing thus helps ensure that garbage collection is done at one time:

  public object pop () {object p = stk [stkp]; Stk [stkp--] = null; Return p; }