java英语单选题whichmodifiershouldbeapplidetoamethodforthelockofobjectthistobeobtainedpriortoexecutionanyofthemethodbody?a:synchronizedb:abstractc:finald:statice:publicwhichmodifiershouldbeappliedt

Question

java英语单选题
which modifier should be applide 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
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?

Answer 1

为了让固定的对象this在执行一个方法体之前就被得到（取得），下面哪个修饰符 应该用来修饰 这个方法 ？？synchronized 方法控制对类成员变量的访问：每个类实例对应一把锁（this)，每个 synchronized 方法都必须获...