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  1. import java.util.function.Function;
  2.  
  3. class FunTimes {
  4. public static void main(String[] args) {
  5. int foo = 42;
  6. Function<Integer, Integer> fun = addFun(2);
  7. System.out.println(fun.apply(foo));
  8. }
  9.  
  10. static Function<Integer, Integer> addFun(int num) {
  11. return arg -> arg + num;
  12. }
  13. }
Success #stdin #stdout 0.09s 55208KB
stdin
Standard input is empty
stdout
44