The java. lang package include several classes and exceptional classes. This exceptional classes are the subclasses of run-time exception, that is used further in exception handling. There are list of classes that are not checked see the method have to be declared inside the class throw a list of exception. while some other classes are checked. Java Illegal State Exception is unchecked exception which provides you the information of illegal state for application and the environment under which the application is running.
There are number of scenario in which two thread in Java Virtual Machine try to access the same object. The first Thread tries to invalidates the Thread, while the latter one try to access the same object where the thread been not exists. In this case JVM throws java.lang. Illegal State Exception.
In this example we want to show you the java illegal state Exception, In java built-in exception classes, there are two type of constructor.One with parameter, another with a String parameter that describe the type of exception. The parameter that you passed in the constructor can be displayed when you passed exception object as parameter to the System.out.println( )statement. The given code describes you the use of constructor of the illegal state exception with parameter passed as string.
Output on Command Prompt
|C:\Documents and Settings\Administrator>cd\
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