97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区 狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

單項(xiàng)選擇題

Which statement is true?()

A.Compilation fails.
B.An exception is thrown at runtime.
C.Synchronizing the run() method would make the class thread-safe.
D.The data in variable "x" are protected from concurrent access problems.
E.Declaring the doThings() method as static would make the class thread-safe.
F.Wrapping the statements within doThings() in a synchronized(new Object()){} block would make the class thread-safe.

微信掃碼免費(fèi)搜題