which modifier should be applied to a method for the lock of object this to be obtained prior to execution any of the method body?
a:synchronized b:abstract c:final d:static e:public
能大概的翻译一下吗？
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为了获取对象实例的锁在方法体之前，我们应该在方法上加上什么修饰符？
这个题目应该选a
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