30 lines
662 B
Java
30 lines
662 B
Java
// streams/Ranges.java
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// (c)2017 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 static java.util.stream.IntStream.*;
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public class Ranges {
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public static void main(String[] args) {
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// The traditional way:
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int result = 0;
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for(int i = 10; i < 20; i++)
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result += i;
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System.out.println(result);
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// for-in with a range:
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result = 0;
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for(int i : range(10, 20).toArray())
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result += i;
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System.out.println(result);
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// Use streams:
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System.out.println(range(10, 20).sum());
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}
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}
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/* Output:
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145
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145
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145
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*/
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