32 lines
911 B
Java
32 lines
911 B
Java
// streams/ArrayStreams.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 java.util.*;
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import java.util.stream.*;
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public class ArrayStreams {
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public static void main(String[] args) {
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Arrays.stream(
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new double[] { 3.14159, 2.718, 1.618 })
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.forEach(n -> System.out.format("%f ", n));
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System.out.println();
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Arrays.stream(new int[] { 1, 3, 5 })
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.forEach(n -> System.out.format("%d ", n));
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System.out.println();
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Arrays.stream(new long[] { 11, 22, 44, 66 })
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.forEach(n -> System.out.format("%d ", n));
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System.out.println();
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// Select a subrange:
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Arrays.stream(
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new int[] { 1, 3, 5, 7, 15, 28, 37 }, 3, 6)
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.forEach(n -> System.out.format("%d ", n));
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}
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}
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/* Output:
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3.141590 2.718000 1.618000
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1 3 5
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11 22 44 66
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7 15 28
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*/
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