1.why isn't java used for system programming in place of c ?
2. what does the statement 'java is robust mean'?
3. what does the statement 'java is multiprogramming mean'?
4. why is the concept of pointers avoided in java? Instead of using references in place of pointers in order to avoid unauthorised acces why cant we use constant pointers which serve the same purpose?

these are the doubts that i am thinking of
please help me know the answers to these doubts

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