require_once 'MDB2.php';$dsn = 'mysql://test:test@localhost:3306/test?charset=utf8';$con =& MDB2::factory($dsn); 2007年7月アーカイブ
try {
String s = null;
s.toString(); // sがnull
}
catch(NullPointerException e) {
e.printStackTrace();
}
java.lang.NullPointerException
at CodeSnippet_19.run(CodeSnippet_19.java:5)
at org.eclipse.jdt.internal.debug.ui.snippeteditor.ScrapbookMain1.eval(ScrapbookMain1.java:20)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.jdt.internal.debug.ui.snippeteditor.ScrapbookMain.evalLoop(ScrapbookMain.java:54)
at org.eclipse.jdt.internal.debug.ui.snippeteditor.ScrapbookMain.main(ScrapbookMain.java:35)
MT42BlogBetaInner
