bc0026c3e1
Plus many new examples in "streams" chapter.
19 lines
515 B
Java
19 lines
515 B
Java
// onjava/Generated.java
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package onjava;
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import java.util.function.*;
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public class Generated {
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// Fill an existing array:
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public static <T> T[] array(T[] a, Supplier<T> gen) {
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return new CollectionData<>(gen, a.length).toArray(a);
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}
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// Create a new array:
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@SuppressWarnings("unchecked")
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public static <T> T[] array(Class<T> type,
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Supplier<T> gen, int size) {
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T[] a =
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(T[])java.lang.reflect.Array.newInstance(type, size);
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return new CollectionData<>(gen, size).toArray(a);
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}
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}
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