The breakup of the null can be ruled out as the cause of the sinking.
空值的分解可以排除为下沉的原因。
If it is later found out that he lied, hismarriage(s) become null and void.
如果以后发现他说了谎话，那他的婚姻就会被宣告无效。
The cure for object loitering in this case is to null out the reference after popping it from the stack, as shown in the commented-out line of code in Listing 3.
修复这种情况下的对象游离的方法是，当对象从堆栈弹出之后，就消除它的引用，如清单3中注释掉的行所示。
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