How to count a frequency of a particular word in a line?

Question

I would like to know, that if I am having a single line string, then how to count the frequency of a particular word in that string, using simple java code?!

Thanks in advance..

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What I am looking for is a sample logical code in java which is used to search a particular word in a sentence. I am building one spam filter, which needs to read the line and then classify it.

Answer 1

StringUtils from commons-lang has:

StringUtils.countMatches(string, searchedFor);