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Java code:

try {
Class.forName(taskclass).newInstance();
} catch (Exception e) {
System.err.println("got it");
}


ÒÔÉÏÊDzâÊÔij¸öÀàÊÇ·ñÄÜʵÀý»¯,ÆäÖÐtaskclass¾ÍÊÇ´ý²âÊÔµÄÀà.
ÔÚ³ÌÐòÖ´ÐÐ֮ǰ½«taskclassɾ³ý,³ÌÐòÊä³ö½á¹ûÊÇgot it.ûÓÐÈκÎÎÊÌâ.

È»ºóÐÞ¸Ätaskclass,²¢ÔÚÆäÖе÷ÓÃÁËÁíÒ»¸öÀàTestClass.TestClassÀàÔÚ¸ÃprojectÖÐÊDz»´æÔÚµÄ
Ö´ÐÐÖ®ºó±¨java.lang.NoClassDefFoundError
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ÕâÊÇÒ»¸öerror ²»ÊÇÒ»¸öexception

java.lang.Object
  java.lang.Throwable
  java.lang.Error
  java.lang.LinkageError
  java.lang.NoClassDefFoundError

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java.lang.Object
  java.lang.Throwable
  java.lang.Error
  java.lang.LinkageError
  java.lang.NoClassDefFoundError


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java.lang.Object
java.lang.Throwable
java.lang.Error
java.lang.LinkageError
java.lang.NoClassDefFoundError

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