多项选择题
Which two are true？（）
A.A finalizer may NOT be invoked explicitly.
B.The finalize method declared in class Object takes no action.
C.super.finalize（）is called implicitly by any over riding finalize method.
D.The finalize method for a given objec twill be called no more than once by the garbage collector.
E.The order in which finalize will be called on two objects is based on the order in which the two objects became finalizable.
相关考题
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单项选择题
11.public void genNumbers（）{ 12.ArrayList numbers=new ArrayList（）； 13.for（inti=0；i 14.intvalue=i*（（int）Math.random（））； 15.IntegerintObj=newInteger（value）； 16.numbers.add（intObj）； 17.} 18.System.out.println（numbers）； 19.} Which line of code marks the earliest point that an object referenced by intObj becomes a candidate for garbagec ollection？（）
A.Line16
B.Line17
C.Line18
D.Line19
E.The object is NOT a candidate for garbage collection. -
单项选择题
1.public class GC{ 2.private Objec to； 3.private void doSomethingElse（Object obj）{o=obj；} 4.public void doSomething（）{ 5.Object o=new Object（）； 6.doSomethingElse（o）； 7.o=new Object（）； 8.doSomethingElse（null）； 9.o=null； 10.} 11.} When the doSomething method is called，after which line does the Object created in line 5 become available for garbage collection？（）
A.Line5
B.Line6
C.Line7
D.Line8
E.Line9
F.Line10 -
单项选择题
11.class Snoochy{ 12.Boochybooch； 13.public Snoochy（）{booch=newBoochy（this）；} 14.} 15. 16.class Boochy{ 17.Snoochy snooch； 18.public Boochy（Snoochys）{snooch=s；} 19.} And the statements： 21.public static void main（String[]args）{ 22.Snoochy snoog=new Snoochy（）； 23.snoog=null； 24.//more code here 25.} Which statement is true about the objects referenced by snoog，snooch，and booch immediately after line 23 executes？（）
A.None of these objects are eligible for garbage collection.
B.Only the object referenced by booch is eligible for garbage collection.
C.Only the object referenced by snoog is eligible for garbage collection.
D.Only the object referenced by snooch is eligible for garbage collection.
E.The objects referenced by snooch and booch are eligible for garbage collection.
