25 lines
651 B
Java
25 lines
651 B
Java
// streams/LastElement.java
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// (c)2021 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://OnJava8.com for more book information.
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import java.util.*;
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import java.util.stream.*;
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public class LastElement {
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public static void main(String[] args) {
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OptionalInt last = IntStream.range(10, 20)
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.reduce((n1, n2) -> n2);
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System.out.println(last.orElse(-1));
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// Non-numeric object:
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Optional<String> lastobj =
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Stream.of("one", "two", "three")
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.reduce((n1, n2) -> n2);
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System.out.println(
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lastobj.orElse("Nothing there!"));
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}
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}
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/* Output:
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19
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three
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*/
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