竞速选手在比赛过程中,以打破纪录或创造个人最高成绩为目标,按预先制定好的速度安排参加比赛,所选用的比赛战术称为夺冠军战术。
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Securing your (1) is not a trivial task. There are many (2) to consider and many (3) to follow.Here then is the list of tasks you need to do to (4) your home computer. Their order is based on howintruders (5)computers,beginning with the most-often used attack methods.By starting withthelower numberedtasks, you address the biggest problemsyou face in securing your computer.Task 1 -UseStrong (6).Task2 -KeepYourSystem (7).Task 3 - Install andUseAnti-Virus (8).Task4 - Make (9)ofImportantFiles andFoldersTask5 -(10)YourFiles.Task6 -Install andUse aFirewall.
已知一个类public class A{static int i;}运行下列代码后的结果是:A a1= new A();A a2= new A();a1.i=18;a2.i=10;System.out.println(a1.i);System.out.println(a2.i);
A. 1810
B. 1018
C. 1818
D. 1010
以下哪项不是public static void a(){}的重载方法?
A. public static void a(int i){}
B. public static int a(){}
C. public static void a(int i,String name){}
D. public static void a(String name){}
以下关于构造方法的描述,哪一项是正确的
A. 如果程序中没有任何构造方法,编译器会默认增加一个无参数的构造方法
B. 如果程序中没有任何构造方法,编译器会默认增加一个有参数的构造方法
C. 如果程序中存在构造方法,编译器会默认增加一个有参数的构造方法
D. 如果程序中存在构造方法,编译器会默认增加一个无参数的构造方法