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| <td class="back"><a id="top"></a><a href="s1.2.1.f.html" rel="prev"><< §1.2.1.(f) Static role methods</a></td> |
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| <div class="breadcrumb"><a class="nav" href="s1.html" rel="section">§1 Teams and Roles</a> > <a class="nav" href="s1.2.html" rel="section">§1.2 Role classes and objects</a> > <a class="nav" href="s1.2.1.html" rel="section">§1.2.1 Modifiers for roles</a></div> |
| <div class="subsect depth4" id="s1.2.1.g"> |
| <h4 class="subsect">§1.2.1.(g) <span class="title">No static initializers</span><a class="img" href="s1.2.1.g.html" |
| title="PermaLink to (g) No static initializers"><img style="vertical-align:text-top;margin-left:5px;" src="../images/permalink.png" |
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| <p>A static field of a role class must not have a non-constant initialization expression. |
| Static initialization blocks are already prohibited for inner classes by Java (see <a href="http://java.sun.com/docs/books/jls/second_edition/html/classes.doc.html#262890" |
| class="ext">JLS §8.1.2</a>). |
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| <div class="note"> |
| <h5>Note:</h5> |
| Static initialization generally provides a means for performing initialization code prior to instantiation, i.e., at |
| class-loading time. |
| Before any role can be created already two levels of initialization are performed: (1) The (outer most) enclosing team |
| class performs static initializations when it is loaded. (2) Any enclosing team executes |
| its constructor when it is instantiated. It should be possible to allocate any early initialization to either of these |
| two phases instead of using static role initializers. |
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| <div class="breadcrumb"><a class="nav" href="s1.html" rel="section">§1 Teams and Roles</a> > <a class="nav" href="s1.2.html" rel="section">§1.2 Role classes and objects</a> > <a class="nav" href="s1.2.1.html" rel="section">§1.2.1 Modifiers for roles</a></div> |
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| width="88" /></a><address>© Stephan Herrmann, Christine Hundt, Marco Mosconi</address> |
| OT/J version 1.3 — last modified: 2010-05-18 |
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