面向对象程序设计中最重要的两个概念是

面向对象设计的两个决定性的目标是()。

程序设计的方式,主要有两种分别是()。

目前常用的两种程序设计方法是____()

________ doesn’t seem to hve been much difficulty in solving the problem.ItB.ThtC.ThereD.He________ doesn’t seem to hve been much difficulty in solving the problem.It B.Tht C.There D.He

Jack doesn’t seem to have an aim in life; if any, he just __________ parties and having a good time.()

使用“数据流”声音同步方式时,若声音过短而影片过长,则 Flash 将无法调整足够快的影片帧,()

Luckily for me, my parents are __________ of my decision to explore in the art world. They didn’t pressure me to take a "regular" job.()

关键字【】通常被应用在声明方法时,用来指定可能抛出的异常