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Java (programming language) Exception handling in java is one of the powerful mechanism to handle the runtime errors so that normal flow of the application can be maintained. Dictionary Meaning: Exception is an abnormal condition. In java, exception is an event that disrupts the normal flow of the program. It is an object which is thrown at runtime. Exception Handling is a mechanism to handle runtime errors such as ClassNotFound, IO, SQL, Remote etc.
So, it is important for Java beginners to take a basic course such as Java Fundamentals to avoid wasting time on such petty errors. Moreover, Java Null Pointer Exception is a Run time error. Instead, Null Pointer Exception occurrences in the code should actually be reported during the code compilation. There are few good languages out there in the market which report Null Pointer Exception at compile time to avoid such embarrassments at runtime.