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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"><html><head><title>VM Spec </title></head><body BGCOLOR=#eeeeff text=#000000 LINK=#0000ff VLINK=#000077 ALINK=#ff0000><table width=100%><tr><td><a href="VMSpecTOC.doc.html">Contents</a> | <a href="VMSpecIX.fm12.html">Prev</a> | <a href="VMSpecIX.fm14.html">Next</a> | <a href="VMSpecIX.fm.html">Index</a></td><td align=right><i><i>The Java<sup><font size=-2>TM</font></sup> Virtual Machine Specification</i></i></td></tr></table><hr><br> <a href="VMSpecIX.fm.html">symbols</a><a href="VMSpecIX.fm1.html">A</a><a href="VMSpecIX.fm2.html">B</a><a href="VMSpecIX.fm3.html">C</a><a href="VMSpecIX.fm4.html">D</a><a href="VMSpecIX.fm5.html">E</a><a href="VMSpecIX.fm6.html">F</a><a href="VMSpecIX.fm7.html">G</a><a href="VMSpecIX.fm8.html">H</a><a href="VMSpecIX.fm9.html">I</a><a href="VMSpecIX.fm10.html">J</a><a href="VMSpecIX.fm11.html">L</a><a href="VMSpecIX.fm12.html">M</a><a href="VMSpecIX.fm13.html">N</a><a href="VMSpecIX.fm14.html">O</a><a href="VMSpecIX.fm15.html">P</a><a href="VMSpecIX.fm16.html">Q</a><a href="VMSpecIX.fm17.html">R</a><a href="VMSpecIX.fm18.html">S</a><a href="VMSpecIX.fm19.html">T</a><a href="VMSpecIX.fm20.html">U</a><a href="VMSpecIX.fm21.html">V</a><a href="VMSpecIX.fm22.html">W</a><a href="VMSpecIX.fm23.html">Z</a><hr><a name="6959862"></a><center><h1> N</h1></center><dl><dt><b>name_and_type <strong>item</strong></b><dl><a name="6959865"></a><dt>(CONSTANT_Fieldref_info<a href="ClassFile.doc.html#6690"> structure), 105</a><a name="6959867"></a><dt>(CONSTANT_Interface_Methodref_info<a href="ClassFile.doc.html#6701"> structure), 105</a><a name="6959869"></a><dt>(CONSTANT_Methodref_info<a href="ClassFile.doc.html#6698"> structure), 105</a></dl><dt><b>name_index <strong>item</strong></b><dl><a name="6959872"></a><dt>(CONSTANT_Class_info<a href="ClassFile.doc.html#1232"> structure), 104</a><a name="6959874"></a><dt>(CONSTANT_NameAndType_info<a href="ClassFile.doc.html#5970"> structure), 110</a><a name="6959876"></a><dt>(field_info<a href="ClassFile.doc.html#"> structure), 114</a><a name="6959878"></a><dt>(LocalVariableTable_attribute<a href="ClassFile.doc.html#1639"> structure), 132</a><a name="6959880"></a><dt>(method_info<a href="ClassFile.doc.html#1530"> structure), 116</a></dl><dt><b><strong>names</strong></b><dl><a name="6959883"></a><dt><em>See also</em> identifiers<a name="6959885"></a><dt><a href="ClassFile.doc.html#18289">attributes, avoiding conflicts in, 118</a><a name="6959887"></a><dt><a href="Concepts.doc.html#23195">class, 28</a><a name="6959889"></a><dt><a href="ClassFile.doc.html#14922">classes, internal representation, 99</a><a name="6959891"></a><dt><a href="Concepts.doc.html#26129">fully qualified, 26</a><a name="6959893"></a><dt><a href="ClassFile.doc.html#42211">new attributes, 117</a><a name="6959895"></a><dt>qualified<dl><a name="6959896"></a><dt><a href="Concepts.doc.html#28883">access control and, 26</a><a name="6959898"></a><dt><a href="Concepts.doc.html#29689">definition, 24</a></dl><a name="6959900"></a><dt><a href="Concepts.doc.html#29689">simple, 24</a></dl><dt><b><strong>NaN (Not-a-Number)</strong></b><dl><a name="6959903"></a><dt>conversion of<dl><a name="6959904"></a><dt>bytes item, CONSTANT_Float_info<a href="ClassFile.doc.html#22609"> structure into, 107</a><a name="6959906"></a><dt>high_bytes and low_bytes items, CONSTANT_Double_info<a href="ClassFile.doc.html#23957"> structure, 109</a></dl><a name="6959908"></a><dt><a href="Overview.doc.html#14553">operations that produce, 85</a></dl><dt><b><strong>narrowing primitive conversions</strong></b><dl><a name="6959911"></a><dt>See conversions, narrowing primitive</dl><dt><b><strong>native method stack</strong></b><dl><a name="6959914"></a><dt><a href="Overview.doc.html#15637">definition, 70</a></dl><dt><b>native <strong>methods</strong></b><dl><a name="6959917"></a><dt><a href="ConstantPool.doc.html#74730">binding, 170</a><a name="6959919"></a><dt>invoking<dl><a name="6959920"></a><dt>class, invokeinterface<a href="Instructions2.doc6.html#invokeinterface7">, 280</a><a name="6959922"></a><dt>class, invokevirtual<a href="Instructions2.doc6.html#invokevirtual">, 291</a><a name="6959924"></a><dt>instance, invokespecial<a href="Instructions2.doc6.html#invokespecial">, 284</a><a name="6959926"></a><dt>instance, invokestatic<a href="Instructions2.doc6.html#invokestatic">, 288</a></dl><a name="6959928"></a><dt>pc<a href="Overview.doc.html#25816"> register state during invocation, 67</a></dl><dt><b>native <strong>modifier</strong></b><dl><a name="6959931"></a><dt><em>See also</em> ACC_NATIVE flag; binding; native method<a name="6959933"></a><dt><a href="Concepts.doc.html#32312">definition, 33</a></dl><dt><b><strong>negating</strong></b><dl><a name="6959936"></a><dt>double, dneg<a href="Instructions2.doc3.html#dneg">, 211</a><a name="6959938"></a><dt>float, fneg<a href="Instructions2.doc4.html#fneg">, 241</a><a name="6959940"></a><dt>int, ineg<a href="Instructions2.doc6.html#ineg">, 277</a><a name="6959942"></a><dt>long, lneg<a href="Instructions2.doc8.html#lneg">, 322</a></dl><dt><b>NegativeArraySizeException</b><dl><a name="6959945"></a><dt><a href="Concepts.doc.html#24901">definition, 44</a><a name="6959947"></a><dt>thrown by<dl><a name="6959948"></a><dt>anewarray<a href="Instructions2.doc.html#anewarray">, 181</a><a name="6959950"></a><dt>multianewarray<a href="Instructions2.doc9.html#multianewarray">, 340</a><a name="6959952"></a><dt>newarray<a href="Instructions2.doc10.html#newarray">, 344</a></dl></dl><dt><b>new <strong>instruction</strong></b><dl><a name="6959955"></a><dt>compilation examples<dl><a name="6959956"></a><dt><a href="Compiling.doc.html#10528">arrays, 382</a><a name="6959958"></a><dt><a href="Compiling.doc.html#9247">throwing exceptions, 387</a><a name="6959960"></a><dt><a href="Compiling.doc.html#7014">working with class instances, 379</a></dl><a name="6959962"></a><dt><a href="ClassFile.doc.html#10794">constraints, static, 136</a><a name="6959964"></a><dt>data-flow analysis during class<a href="ClassFile.doc.html#9848"> file verification, 147</a><a name="6959966"></a><dt><a href="Instructions2.doc10.html#new">definition, 341</a></dl><dt><b>newarray <strong>instruction</strong></b><dl><a name="6959969"></a><dt><a href="Compiling.doc.html#4860">compilation examples, arrays, 382</a><a name="6959971"></a><dt><a href="ClassFile.doc.html#43178">constraints, static, 136</a><a name="6959973"></a><dt><a href="Instructions2.doc10.html#newarray">definition, 343</a></dl><dt><b>NoClassDefFoundError</b><dl><a name="6959976"></a><dt><a href="Concepts.doc.html#24118">definition, 49</a><a name="6959978"></a><dt><a href="Concepts.doc.html#28424">as loading process error, 45</a><a name="6959980"></a><dt><a href="ConstantPool.doc.html#71466">thrown during class or interface loading, 160</a>, <a href="ConstantPool.doc.html#79406">163</a><a name="6959983"></a><dt><a href="Concepts.doc.html#24259">when thrown during initialization, 53</a></dl><dt><b><strong>nonterminal symbols</strong></b><dl><a name="6959986"></a><dt><a href="ClassFile.doc.html#14150">descriptor grammar notation, 99</a></dl><dt><b>nop <strong>instruction</strong></b><dl><a name="6959989"></a><dt><a href="Instructions2.doc10.html#nop">definition, 345</a></dl><dt><b><strong>normal completion</strong></b><dl><a name="6959992"></a><dt><a href="Overview.doc.html#1973">method invocation, 74</a></dl><dt><b>NoSuchFieldError</b><dl><a name="6959995"></a><dt><a href="Concepts.doc.html#24180">definition, 51</a><a name="6959997"></a><dt><a href="Concepts.doc.html#28428">as linking error, 45</a><a name="6959999"></a><dt><a href="ConstantPool.doc.html#80871">thrown during field resolution, 167</a></dl><dt><b>NoSuchMethodError</b><dl><a name="6960002"></a><dt><a href="Concepts.doc.html#28461">definition, 51</a><a name="6960004"></a><dt><a href="Concepts.doc.html#28428">as linking error, 45</a><a name="6960006"></a><dt><a href="ConstantPool.doc.html#74273">thrown during method resolution, 169</a></dl><dt><b><strong>notation</strong></b><dl><a name="6960009"></a><dt>class<a href="ClassFile.doc.html#41600"> file format descriptions, 93</a><a name="6960011"></a><dt><a href="ClassFile.doc.html#14150">field and method descriptor grammar, 99</a><a name="6960013"></a><dt><a href="Overview.doc.html#22321">instruction families, 84</a></dl><dt><b><strong>notification</strong></b><dl><a name="6960016"></a><dt>notify<a href="Concepts.doc.html#22135"> method, multithreaded actions, 59</a><a name="6960018"></a><dt>notifyAll<a href="Concepts.doc.html#22135"> method, multithreaded actions, 59</a><a name="6960020"></a><dt><a href="Threads.doc.html#24566">wait sets and, 413</a></dl><dt><b><strong>null reference</strong></b><dl><a name="6960023"></a><dt>null<a href="Concepts.doc.html#27355"> literal, 6</a><a name="6960025"></a><dt><a href="Concepts.doc.html#29971">null type, 6</a></dl><dt><b>null <strong>reference</strong></b><dl><a name="6960028"></a><dt><a href="Overview.doc.html#15127">definition, 66</a><a name="6960030"></a><dt>pushing null reference, aconst_null<a href="Instructions2.doc.html#aconst_null">, 178</a><a name="6960032"></a><dt><a href="Overview.doc.html#32018">testing for, 89</a></dl><dt><b>NullPointerException</b><dl><a name="6960035"></a><dt><a href="Concepts.doc.html#24905">definition, 44</a><a name="6960037"></a><dt>thrown by<dl><a name="6960038"></a><dt>aaload<a href="Instructions2.doc.html#aaload7">, 175</a><a name="6960040"></a><dt>aastore<a href="Instructions2.doc.html#aastore">, 177</a><a name="6960042"></a><dt>arraylength<a href="Instructions2.doc.html#arraylength">, 183</a><a name="6960044"></a><dt>athrow<a href="Instructions2.doc.html#athrow">, 186</a><a name="6960046"></a><dt>baload<a href="Instructions2.doc1.html#baload">, 188</a><a name="6960048"></a><dt>bastore<a href="Instructions2.doc1.html#bastore">, 189</a><a name="6960050"></a><dt>caload<a href="Instructions2.doc2.html#caload">, 191</a><a name="6960052"></a><dt>castore<a href="Instructions2.doc2.html#castore">, 192</a><a name="6960054"></a><dt>daload<a href="Instructions2.doc3.html#daload">, 200</a><a name="6960056"></a><dt>dastore<a href="Instructions2.doc3.html#dastore">, 201</a><a name="6960058"></a><dt>faload<a href="Instructions2.doc4.html#faload">, 230</a><a name="6960060"></a><dt>fastore<a href="Instructions2.doc4.html#fastore">, 231</a><a name="6960062"></a><dt>getfield<a href="Instructions2.doc5.html#getfield">, 249</a><a name="6960064"></a><dt>iaload<a href="Instructions2.doc6.html#iaload">, 261</a><a name="6960066"></a><dt>iastore<a href="Instructions2.doc6.html#iastore">, 263</a><a name="6960068"></a><dt>invokeinterface<a href="Instructions2.doc6.html#invokeinterface">, 282</a><a name="6960070"></a><dt>invokespecial<a href="Instructions2.doc6.html#invokespecial">, 287</a>, <a href="Instructions2.doc11.html#putfield">293</a><a name="6960073"></a><dt>laload<a href="Instructions2.doc8.html#laload">, 310</a><a name="6960075"></a><dt>lastore<a href="Instructions2.doc8.html#lastore">, 312</a><a name="6960077"></a><dt>monitorenter<a href="Instructions2.doc9.html#monitorenter">, 335</a><a name="6960079"></a><dt>monitorexit<a href="Instructions2.doc9.html#monitorenter">, 337</a><a name="6960081"></a><dt>putfield<a href="Instructions2.doc11.html#putfield">, 349</a><a name="6960083"></a><dt>saload<a href="Instructions2.doc13.html#saload">, 354</a><a name="6960085"></a><dt>sastore<a href="Instructions2.doc13.html#sastore">, 355</a></dl></dl><dt><b>number_of_classes <strong>item</strong></b><dl><a name="6960088"></a><dt>(InnerClasses_attribute<a href="ClassFile.doc.html#80030"> structure), 125</a></dl><dt><b>number_of_exceptions <strong>item</strong></b><dl><a name="6960091"></a><dt>(Exceptions_attribute<a href="ClassFile.doc.html#3144"> structure), 124</a></dl><dt><b><strong>numeric</strong></b><dl><a name="6960094"></a><dt><a href="Overview.doc.html#34565">comparisons, implications of unordered NaN values, 65</a><a name="6960096"></a><dt>conversions<dl><a name="6960097"></a><dt><a href="Concepts.doc.html#28838">binary promotion, 23</a><a name="6960099"></a><dt><a href="Overview.doc.html#14592">narrowing impact on precision, 87</a><a name="6960101"></a><dt><a href="Overview.doc.html#16095">narrowing, support for, 86</a><a name="6960103"></a><dt><a href="Concepts.doc.html#28838">unary promotion, 23</a><a name="6960105"></a><dt><a href="Overview.doc.html#35319">widening, impact on precision, 86</a></dl><a name="6960107"></a><dt><a href="Concepts.doc.html#25645">promotions, 16</a><a name="6960109"></a><dt>types<dl><a name="6960110"></a><dt><a href="Concepts.doc.html#23025">components, 7</a>, <a href="Overview.doc.html#3560">62</a><a name="6960113"></a><dt><a href="Concepts.doc.html#15975">promotion conversion, context, 17</a></dl></dl></dl><hr><!-- This inserts footnotes--><p><a href="VMSpecTOC.doc.html">Contents</a> | <a href="VMSpecIX.fm12.html">Prev</a> | <a href="VMSpecIX.fm14.html">Next</a> | <a href="VMSpecIX.fm.html">Index</a><p><font size="-1"><i>The Java</i><sup><font size=-2>TM</font></sup><i> Virtual Machine Specification </i><br><!-- HTML generated by Suzette Pelouch on April 06, 1999 --><i><a href="Copyright.doc.html">Copyright © 1999 Sun Microsystems, Inc.</a>All rights reserved</i><br>Please send any comments or corrections to <a href="mailto:jvm@java.sun.com">jvm@java.sun.com</a></font></body></html>⌨️ 快捷键说明
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