Can the Garbage Collector be forced to run? ||Java Interview Question 2021

Описание: Can the Garbage Collector be forced to run?
Java Interview Question 2021

No, we cannot force garbage collector to run i.e. to destroy objects, but we can request it.
We have a method called “gc( )” in System class as static method and also in Runtime class as non-static method to request JVM to start garbage collector execution.
So, we can call it in our program as below:
System.gc( )
Runtime.getRuntime( ).gc( )
One can request the Garbage collection to happen from within the java program but there is no guarantee that this request will be taken care by JVM.

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