24 lines
688 B
Java
24 lines
688 B
Java
// collections/ArrayIsNotIterable.java
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// (c)2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
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import java.util.*;
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public class ArrayIsNotIterable {
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static <T> void test(Iterable<T> ib) {
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for(T t : ib)
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System.out.print(t + " ");
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}
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public static void main(String[] args) {
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test(Arrays.asList(1, 2, 3));
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String[] strings = { "A", "B", "C" };
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// An array works in for-in, but it's not Iterable:
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//! test(strings);
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// You must explicitly convert it to an Iterable:
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test(Arrays.asList(strings));
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}
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}
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/* Output:
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1 2 3 A B C
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*/
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