what do you mean by robust in java?? please help me.

what do you mean by robust in java?? please help me.

Strong & healthy in form, constitution, or construction.

A robust program won't break easily. It will check for and handle all kinds of user and other errors without crashing.
A simple example: it may prompt the user to enter a number; a non-robust program will fail if the user enters "a", a robust program will diagnose the error and ask again.

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