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java programming garbage collections
1. void start() { A a = new A(); B b = new B(); a.s(b); b = null; / Line 5 / a = null; / Line 6 / System.out.println("start completed"); / Line 7 / } When is the B object, created in line 3, eligible for garbage collection?
(A): after line 5
(B): after line 6
(C): after line 7
(D): There is no way to be absolutely certain.
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