OnJava8-Examples/containers/ArrayIsNotIterable.java
2015-11-14 16:18:05 -08:00

22 lines
548 B
Java

// containers/ArrayIsNotIterable.java
// ©2016 MindView LLC: see Copyright.txt
import java.util.*;
public class ArrayIsNotIterable {
static <T> void test(Iterable<T> ib) {
for(T t : ib)
System.out.print(t + " ");
}
public static void main(String[] args) {
test(Arrays.asList(1, 2, 3));
String[] strings = { "A", "B", "C" };
// An array works in for-in, but it's not Iterable:
//! test(strings);
// You must explicitly convert it to an Iterable:
test(Arrays.asList(strings));
}
}
/* Output:
1 2 3 A B C
*/