[ BUILD # : 200807310201 ]
[ JDK VERSION : 1.6.0_04 ]

I reported this issue through the Netbeans exception reporter here:
http://statistics.netbeans.org/analytics/detail.do?id=84672.

Given this code:

Map<String, Object> propertyMap = new HashMap<String, Object>();
propertyMap.put("offered", false);

I double-clicked on the false variable and typed " to change it to a
string. This is the exception that was reported:

java.lang.ClassCastException: java.lang.Boolean cannot be cast to
java.lang.String
        at
org.netbeans.modules.java.hints.errors.Utilities.guessName(Utilities.j
ava:102)
        at
org.netbeans.modules.java.hints.introduce.IntroduceHint.computeError(I
ntroduceHint.java:359)
        at
org.netbeans.modules.java.hints.introduce.IntroduceHint.run(IntroduceH
int.java:294)
        at
org.netbeans.modules.java.hints.introduce.IntroduceHint.run(IntroduceH
int.java:125)
        at
org.netbeans.api.java.source.JavaSource$CompilationJob.run(JavaSource.
java:1675)
        at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441
)
        at
java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecu
tor.java:885)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.
java:907)
        at java.lang.Thread.run(Thread.java:619)