public Object m() { Object o = new Float(3.14F); Object [] oa = new Object[l]; oa[0] = o; / Line 5 / o = null; / Line 6 / oa[0] = null; / Line 7 / return o; / Line 8 / } When is the Float object, created in line 3, eligible for garbage collection? ?->(Show Answer!)

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1. public Object m() { Object o = new Float(3.14F); Object [] oa = new Object[l]; oa[0] = o; / Line 5 / o = null; / Line 6 / oa[0] = null; / Line 7 / return o; / Line 8 / } When is the Float object, created in line 3, eligible for garbage collection?

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By: guest on 02 Jun 2017 01.26 am

Option A is wrong. This simply copies the object reference into the array. Option B is wrong. The reference o is set to null, but, oa[0] still maintains the reference to the Float object. Option C is correct. The thread of execution will then not have access to the object.

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