[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fo5TZxFw4s14NrHKQeMEz-G-BL3NfkWckwIfRMWnwgzo":3},{"id":4,"source":5,"question":6,"options":7,"answer":12,"related":13,"type":24,"origin":111,"createTime":26},146344245,"v1","以下描述不正确的有",[8,9,10,11],"final class不能被继承","final变量不能被修改","final成员变量可以在构造方法中赋值","final方法不能被覆盖(overriden)",[],[14,27,31,41,51,61,71,81,91,101],{"id":15,"source":5,"question":16,"options":17,"answer":22,"related":23,"type":24,"origin":25,"createTime":26},146344244,"若在某一个类定义中有如下的方法: final void aFinalFunction(); 则该方法属于何种类型",[18,19,20,21],"本地方法","静态方法","最终方法","抽象方法",[],[],0,null,"2024-05-27T08:05:15+08:00",{"id":4,"source":5,"question":6,"options":28,"answer":29,"related":30,"type":24,"origin":25,"createTime":26},[8,9,10,11],[],[],{"id":32,"source":5,"question":33,"options":34,"answer":39,"related":40,"type":24,"origin":25,"createTime":26},146344246,"在Java中,在使用JDBC时,对于多次调用同一条SQL语句的情况,使用()通常会提高效率(选一项)",[35,36,37,38],"Statement","CallableStatement","PrepareStatement","ParameterStatement",[],[],{"id":42,"source":5,"question":43,"options":44,"answer":49,"related":50,"type":24,"origin":25,"createTime":26},146344247,"public class Test { public static void main(String args[]){ EqTest e = new EqTest(); e.show();}} class EqTest{ String s = \"Java\"; String s2 = \"java\"; public void show(){ \u002F\u002F在这儿放置测试代码 {System.out.println(\"相等\");} else {System.out.println(\"不相等\");} }} 在上面的Java代码的注释行位置,放置()测试代码能输出\"相等\"结果(选一项)",[45,46,47,48],"if(s==s2)","if(s.equals(s2))","if(s.equalsIgnoreCase(s2))","if(s.noCaseMatch(s2))",[],[],{"id":52,"source":5,"question":53,"options":54,"answer":59,"related":60,"type":24,"origin":25,"createTime":26},146344248,"给定java代码,如下:运行时,会产生()类型的异常(选一项) String s = null; s.concat(\"abc\")",[55,56,57,58],"AritthmeticException","NullpointerException","IOException","EOFException",[],[],{"id":62,"source":5,"question":63,"options":64,"answer":69,"related":70,"type":24,"origin":25,"createTime":26},146344249,"给定如下JAVA 程序片断: class A{ public A(){ System.out.println(\"A\"); } } class B extends A{ public B(){ System.out.println(\"B\"); } public static void main(String[] args){ B b = new B(); } } 上述程序将(选一项)",[65,66,67,68],"不能通过编译","通过编译,输出为: A B","通过编译,输出为: B","通过编译,输出为: A",[],[],{"id":72,"source":5,"question":73,"options":74,"answer":79,"related":80,"type":24,"origin":25,"createTime":26},146344250,"在java的异常处理中,能单独与finally语句一起使用的块是(选一项)",[75,76,77,78],"try","catch","throw","throws",[],[],{"id":82,"source":5,"question":83,"options":84,"answer":89,"related":90,"type":24,"origin":25,"createTime":26},146344251,"给定某Java程序的main方法如下,该程序编译运行的结果是(选一项) public static void main(String[]args){ String str = null; str.concat(\"abc\"); str.concat(\"def\"); System.out.println(str); }",[85,86,87,88],"null","abcdef","编译错误","运行时出现异常",[],[],{"id":92,"source":5,"question":93,"options":94,"answer":99,"related":100,"type":24,"origin":25,"createTime":26},146344252,"在Java中,()对象可以使用键\u002F值的形式保存数据(选一项)",[95,96,97,98],"ArrayList","HashSet","HashMap","LinkedList",[],[],{"id":102,"source":5,"question":103,"options":104,"answer":109,"related":110,"type":24,"origin":25,"createTime":26},146344253,"在JAVA中,类Animal中的方法PrintA()定义如下: public void printA(){ int a=10; int result=10%3; System.out.println(result);} 在类Dog中方法printA()定义如下: public void printA(){ int a=10; system.out.println(a\u002F3);} Dog类的定义如下: class Dog extends animal{…} 若有语句: Animal animal = new Dog(); Animal.printA(); 则这段代码输出为(选一项)",[105,106,107,108],"0","3.3333","2","3",[],[],{"courseName":112,"courseImg":113,"workName":114,"workId":115,"count":116,"courseId":117},"JSP企业级开发","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb6f76a85177f1e13f3e4f6d310168a3d.png","JAVA面向对象","exam_122547557",50,"585ab2cd60c0165ed7e3c255a787ac11"]