18 lines
543 B
Java
18 lines
543 B
Java
// references/ImmutableInteger.java
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// ©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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// The Integer class cannot be changed.
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import java.util.*;
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public class ImmutableInteger {
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public static void main(String[] args) {
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List<Integer> v = new ArrayList<>();
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for(int i = 0; i < 10; i++)
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v.add(new Integer(i));
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// But how do you change the int
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// inside the Integer?
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}
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}
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/* Output: (None) */
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