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Tip of the Day
Language: Java Language
Expertise: Beginner
Sep 21, 1999

WEBINAR:

On-Demand

Application Security Testing: An Integral Part of DevOps


The new Operator

Question:
Is it necessary to check return value after a "new" statement? Does it return null when it cannot allocate any more memory?

Answer:
You do not have to check the return value of the new operator. Unlike C, where malloc() will return NULL if it fails, the Java new operator will throw an OutOfMemoryError. OutOfMemoryError is a RuntimeException so you are not forced to catch it.

However, if your program needs to be able to recover from running out of memory, you should place a try block at a strategic point where recovery can be performed.

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