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e21cbe82a9
Where possible update Java documentation links to Java 11. Additionally update some other links to use HTTPS.
41 lines
1.1 KiB
XML
41 lines
1.1 KiB
XML
<!DOCTYPE qhelp PUBLIC
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"-//Semmle//qhelp//EN"
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"qhelp.dtd">
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<qhelp>
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<overview>
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<p>Enumerations, or enums, were introduced in Java 5, with the keyword
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<code>enum</code>. Code written before this may use <code>enum</code> as
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an identifier. To compile such code, you must compile it with a command
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such as <code>javac -source 1.4 ...</code>. However, this means that you
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cannot use any new features that are provided in Java 5 and later.</p>
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</overview>
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<recommendation>
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<p>To make it easier to compile the code and add code that uses new Java features,
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rename any identifiers that are named <code>enum</code> in legacy code.</p>
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</recommendation>
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<example>
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<p>In the following example, <code>enum</code> is used as the name of a variable. This means that the
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code does not compile unless the compiler's source language is set to 1.4 or earlier. To avoid this
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constraint, the variable should be renamed.</p>
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<sample src="EnumIdentifier.java" />
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</example>
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<references>
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<li>
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Java Language Specification:
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<a href="https://docs.oracle.com/javase/specs/jls/se11/html/jls-8.html#jls-8.9">8.9 Enum Types</a>.
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</li>
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</references>
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</qhelp>
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