19 lines
583 B
Java
19 lines
583 B
Java
// generics/ClassCasting.java
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// (c)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://OnJava8.com for more book information.
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import java.io.*;
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import java.util.*;
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public class ClassCasting {
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@SuppressWarnings("unchecked")
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public void f(String[] args) throws Exception {
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ObjectInputStream in = new ObjectInputStream(
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new FileInputStream(args[0]));
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// Won't Compile:
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// List<Widget> lw1 =
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// List<>.class.cast(in.readObject());
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List<Widget> lw2 = List.class.cast(in.readObject());
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}
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}
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