1<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 2 3<html> 4 5<head> 6<title>throw</title> 7<link rel=stylesheet href="opcode.css"> 8</head> 9 10<body> 11 12<h1>throw</h1> 13 14<h2>Purpose</h2> 15 16<p> 17Throw the indicated exception. 18</p> 19 20<h2>Details</h2> 21 22<table class="instruc"> 23<thead> 24<tr> 25 <th>Op & Format</th> 26 <th>Mnemonic / Syntax</th> 27 <th>Arguments</th> 28</tr> 29</thead> 30<tbody> 31<tr> 32 <td>27 11x</td> 33 <td>throw vAA</td> 34 <td><code>A:</code> exception-bearing register (8 bits)<br/></td> 35</tr> 36</tbody> 37</table> 38 39<h2>Constraints</h2> 40 41<ul> 42 <li> 43 A must be a valid register index in the current stack frame. 44 </li> 45 <li> 46 Register vA must be a reference-bearing register 47 </li> 48 <li> 49 Register vA must be assignment-compatible with java.lang.Throwable according 50 to the usual rules of the Java programming language. 51 </li> 52</ul> 53 54<h2>Behavior</h2> 55 56<ul> 57 <li> 58 Throws the given exception vA, resulting in a search for a matching handler 59 according to the usual rules of the Java programming language. 60 </li> 61 <li> 62 If no matching handler is found for the current thread, the thread 63 terminates, possibly notifying its uncaught exception handler or thread 64 group before. 65 </li> 66</ul> 67 68<h2>Exceptions</h2> 69 70<ul> 71 <li> 72 NullPointerException if vA is null. 73 </li> 74 <li> 75 Otherwise, the indicated exception. 76 </li> 77</ul> 78 79</body> 80</html> 81