文档介绍：考 生答题不 得过此线··················密····························封·························线····························年级专 业姓 名学号··················装····························订·························线····························《Java程序设计》试题题号一二三四五总分得分阅卷人一、选择题:(共20题,,共40分)()。()Aa++B$()()【0】Clength(array),使得使用类名AB作为前缀就可以调用它,该方法头的形式为()。Astaticvoidmethod()Bpublicvoidmethod()Cfinalvoidmethod()Dabstractvoidmethod()()方法的类。:abstractvoidperformDial();该方法属于()。();B数组每个元素必须是基本数据类型;()Await()和notify()Bstart()和stop()Crun()和stop()Dwait()和suspend()()。=“abc”=newstring(“abc”)=“s”Dstrings=’s’,规定只能被同一包类所使用的修饰符是(),错误的是()A在类体内说明静态方法使用关键字static;B静态方法只能处理静态变量或调用静态方法;C静态方法不占用对象的内存空间,非静态方法占用对象的内存空间;,正确的是();B子类能继承父类的非私有方法和状态;C子类只能继承父类public方法和状态;D子类只能继承父类的方法,,正确的是()()命令可以查看MySQl数据库表的结构。,错误的是()A抽象类是