java - Difference between system.gc() and runtime.gc()

Question

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

What is the difference between System.gc() and Runtime.gc()?

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1 Answer

深蓝 · Answer 1 · 2021-10-23T18:28:26+0000

Both are same. System.gc() is effectively equivalent to Runtime.gc(). System.gc()internally calls Runtime.gc().

The only difference is System.gc() is a class method where as Runtime.gc() is an instance method. So, System.gc() is more convenient.