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  1. public class Main {
  2. 	public static void main (String[] args) {
  3. 		java.util.function.Function<Integer, Boolean> f = i -> i.toHexString(i).matches("[a-f]+");
  4. 		System.out.println(f.apply(11259375));
  5. 	}
  6. }
Success #stdin #stdout 0.19s 320832KB
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Standard input is empty
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true
https://ideone.com/kEVEfO
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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