import java.util.function.*;

public class LambdaExample {

// note: this only works in Java 8

static Function<Integer, Integer> inc(int x) {

return y -> x+y;

}

static Function<Integer, Integer> mul(int x) {

return y -> x*y;

}

public static void main(String[] args) {

// bad style, generic erasure to get array

Function[] fs = {inc(5), inc(10), mul(7), mul(2)};

for (Function f : fs)

System.out.println(

((Function<Integer, Integer>)f).apply(100));

}

}