blocks|key|1603114|text|字符串不可翻译。它告诉Eclipse编辑器不要将字符串标记为unresourced。这对于多语言应用程序很重要。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1603115|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

The string is not translatable. It tells the Eclipse editor to not flag the string as unresourced. This is important for multilingual applications.

blocks|key|1388310|text|它告诉编译器不要抱怨未外部化的字符串，并且不需要本地化。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1388311|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

It tells the compiler not to complain about a non externalized string, and that it doesn't require localization.

blocks|key|1388333|text|Eclipse使用它来指示字符串不需要翻译，可能是因为它不会被应用程序的用户看到。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1388334|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

It's used by Eclipse to indicate that a string doesn't need to be translated, probably because it's not going to be seen by the application's users.

blocks|key|1603209|text|它们使Eclipse在遇到字符串字面量时发出的警告静默(并且已被配置为报错)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1603210|这个想法是，UI消息不应该作为字符串文字嵌入，而应该从资源文件中获取(以便它们可以被翻译、校对等)。因此，Eclipse可以配置为检测字符串文字，这样您就不会意外地在代码中留下未外部化的UI字符串；但是，有些字符串不应该被外部化(例如regexp)，因此，//$NON-NLS-1$为您提供了一种将这一事实传达给编译器的方法。|1603211|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

They silence a warning that Eclipse emits when it encounters string literals (and has been configured to complain).

The idea is that UI messages should not be embedded as string literals, but rather sourced from a resource file (so that they can be translated, proofed, etc). Consequently, Eclipse can be configured to detect string literals, so that you don't accidentally have leave unexternalized UI strings in the code; however, there are strings which should not be externalized (such as regexps) and so, //$NON-NLS-1$ gives you a way to communicate that fact to the compiler.

blocks|key|1603257|text|如果你是一名Android开发人员。用户可能看到的所有字符串都应该位于资源文件/res/values/strings.xml中，以便在使用R.string的代码中读取strings.xml文件。通过添加标记//$NON-NLS-$，您会注意到该字符串将不会被用户看到。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1603258|Eclipse+Helios中的警告可能会在Window+->+preferences+->+java+->+Compiler+->+code+style+->+"Non-externalized+Strings+(missing/unused+&NON-NLS$+tag)中打开。|offset|length|style|CODE|1603259|如果您计划将您的活动编程为多语言，建议您打开此选项。然后将&NON-NLS$标记添加到活动内部的字符串中。如果您右键单击警告或错误，Eclipse将在快速修复中添加&NON-NLS$标记。|1603260|entityMap^0|0|M|37|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|M|8|@$D|N|E|O|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|P|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|K|$]]

If you are an Android developer. All strings the user may see should be in the resource file /res/values/strings.xml to read strings.xml file in the code you use R.string.. By adding the tag //$NON-NLS-$ you are noting that the string will not be seen by users. 

The warning in Eclipse Helios may be turned on at <code>Window -&gt; preferences -&gt; java -&gt; Compiler -&gt; code style -&gt; "Non-externalized Strings (missing/unused &amp;NON-NLS$ tag)</code>. 

If you are planning on programming your activity to be multi-language, it would be recommended to turn this on. And then adding the &amp;NON-NLS$ tag to strings that are internal to you activity. Eclipse will add &amp;NON-NLS$ tag in the quick-fix if you right click on the warning or error.

In Eclipse source code, I've found some '$NON-NLS-1$' in comments used like that :

<pre><code>private String toolTip = ""; //$NON-NLS-1$
</code></pre>

What does that mean ?

What does $NON-NLS-1$ mean?

编译器

Android

Eclipse

在Eclipse源代码中，我在注释中找到了一些'$NON-NLS-1$‘，如下所示：private String toolTip = ""; //$NON-NLS-1$这是什么意思？

问$NON-NLS-1$是什么意思？
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问$NON-NLS-1$是什么意思？
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