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16 lines
500 B
HTML
16 lines
500 B
HTML
<html>
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<body>
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Reports attempts to synchronize on an instance of a value-based class that produce compile-time warnings and raise
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run-time exceptions starting from Java 16.
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<p>
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For example, <code>java.lang.Double</code> is annotated with <code>jdk.internal.ValueBased</code>, so the following code will
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produce a compile-time warning:
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</p>
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<pre><code>
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Double d = 20.0;
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synchronized (d) { ... } // javac warning
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</code></pre>
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<!-- tooltip end -->
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<p><small>New in 2021.1</small></p>
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</body>
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</html> |