Question

What happens when System.arraycopy() is called with the same array being the src and dist parameter?

Cosmo · Accepted Answer

The method will run, the array will be copied into itself, no changes will be visible after the method call.

Cosmo · Accepted Answer

The method will work correctly

Cosmo · Answer

We will get a compilation error

Cosmo · Answer

We will get a runtime error

Cosmo · Answer

The method will work, but the correctness is not guaranteed