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    <p>Regarding the APIs, ... it is not specified they will be removed anytime soon.</p> <p><a href="http://java.sun.com/j2se/1.5.0/compatibility.html" rel="nofollow noreferrer">Incompatibilities in J2SE 5.0 (since 1.4.2)</a>:</p> <p>Source Compatibility</p> <blockquote> <p>[...]<br> In general, the policy is as follows, except for any incompatibilities listed further below: </p> <p>Deprecated APIs are interfaces that are supported only for backwards compatibility. The javac compiler generates a warning message whenever one of these is used, unless the -nowarn command-line option is used. It is recommended that programs be modified to eliminate the use of deprecated APIs, <strong>though there are no current plans to remove such APIs</strong> – with the exception of JVMDI and JVMPI – entirely from the system.</p> </blockquote> <p>Even in its <a href="http://java.sun.com/javase/6/docs/technotes/guides/javadoc/deprecation/deprecation.html" rel="nofollow noreferrer">How and When To Deprecate APIs</a>, nothing is being said about a policy regarding actually <em>removing</em> the deprected APIs...</p> <hr> <p>Update 10 years later, the new <a href="https://docs.oracle.com/javase/9/core/enhanced-deprecation1.htm#JSCOR-GUID-23B13A9E-2727-42DC-B03A-E374B3C4CE96" rel="nofollow noreferrer">JDK9+ <strong>Enhanced Deprecation</strong></a> clarifies the depreciation policy.<br> See <a href="https://stackoverflow.com/users/7641/jens-bannmann">Jens Bannmann</a>'s <a href="https://stackoverflow.com/a/50445603/6309">answer</a> for more details.<br> This is also detailed in this blog post by <a href="https://twitter.com/vojtechruzicka" rel="nofollow noreferrer">Vojtěch Růžička</a>, following <a href="https://blog.jooq.org/2015/12/22/jep-277-enhanced-deprecation-is-nice-but-heres-a-much-better-alternative/" rel="nofollow noreferrer">criticisms on JEP 277</a>.</p> <blockquote> <p>The convention for JDK is that once a JDK API is marked as <code>forRemoval=true</code> in a certain Java version, <strong>it will be removed in the directly following major Java release</strong>.<br> That means - when something is marked as <code>forRemoval=true</code> in Java 9, it is supposed to be completely removed in Java 10.<br> <strong>Keep that in mind when using API marked for removal.</strong></p> <p>Note that this convention applies only to JDK itself and third-party libraries are free to choose any convention they see fit.</p> </blockquote>
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    1. POWhen are API methods marked "deprecated" actually going to go away?
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    1. COEven though they are unlikely to be removed, it is important to note why they have been deprecated. Usually it is because a method or class does not behave as expected in certain situations. This means that by using a deprecated method or class you risk introducing errors into your code.
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