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Java.lang.NoClassDefFoundError problem Solved

Exception in thread "main" java.lang.NoClassDefFoundError

 Sometimes when we try to execute java program we got error message like "Exception in thread "main" java.lang.NoClassDefFoundError".

 But this is not a major issue. It just a common human mistake.

You might have compiled java program with small letter-case followed by .java extension but actually file name is in the capital letters. The program will compile without any error but do not.
Note: Check filename before you compile java program ( Java is case Sensitive).
for example:
In my case: filename is MyClass.java
I compiled it as javac myClass.java
       Compiled successfully
But do not execute... give error message like this


 Solution: Compile it as javac Myclass.java
Java is very case sensitive language.
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