Delimiter problem

Consult
I want a space -delimited string into several strings, but the number of spaces between each string is not fixed , how to split ? The call which method ?
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		String str = "123  233   dfdf 8hfj";
  		String[] strs = str.split("\\s+");
  		for(String s : strs) {
  			System.out.println(s);
  		}

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split (""), then the array element trim ()
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also delete the empty element
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thank three floor , the problem has been resolved , grateful