[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fNFfZCz6TxoRFjW8HLw2-_4-91IUrgSVzG98w2skojGA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2025-12-29 23:57:05",294596735,[8,9,10,11],"编译时将产生错误","编译时正确,运行时将产生错误","输出零","输出空",{"courseId":13,"courseImg":14,"courseName":15},"9faf9cd192578d61163008ec8bff9678","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7e2d5ad53be3d12aacc56ee37db405b7.jpg","JavaWeb 1+x培训","给出下列代码,关于该程序以下哪个说法是正确的().Public class Person{Static int arr[]=new int[5];Public static void main(String a[]){System.out.println(arr[0] );}}",[18,29,32,41,50,59,68,77,86,95],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],294596734,[22,23,24,25],"在定义处之后有效","在整个页面内有效","在定义处之前有效","不确定","在"<%!"和"%>"标记之间声明的Java的方法称为页面的成员方法,其在_____范围内有效","v1",0,{"answer":30,"createTime":5,"id":6,"options":31,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":27,"type":28},[],294596736,[36,37,38,39],"String getParameter(String name)","String[] getparameter(String name)","String getParameterValuses(String name)","String[] getParameterValues(String name)","在 J2EE 中,request 对象的____方法可以获取页面请求中一个表单组件对应多个值时的用户的请求数据",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":27,"type":28},[],294596737,[45,46,47,48],"if (a) { }","if (a<<3) { }","if (a=2) { }","if (true) { }","假设 a 是 int 类型变量,并初始化为 1,则下列哪个为合法的条件语句( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":27,"type":28},[],294596738,[54,55,56,57],"ALTER DATABASE Library CHARACTER SET =GBK","ALTER DATABASE Library CHARACTER= GBK","ALTER DATABASE Library CHARACTER= 'GBK'","ALTER DATABASE Library CHARACTER SET= 'GBK'","已有数据库 Library,将字符集'GBK'设置为其默认的字符集的方法是( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":27,"type":28},[],294596739,[63,64,65,66],"333","334","234","233","下面程序段的输出结果是:int a = 2;System.out.print( a++);System.out.print( a);System.out.print(++a)",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":27,"type":28},[],294596740,[72,73,74,75],"子类重写父类的方法","子类重载同一个方法","定义方法时,把父类类型作为参数类型;调用方法时,把父类或子类的对象为参数传入方法","运行时,根据实际创建的对象类型动态决定使用哪个方法","在 Java 中,多态的实现不仅能减少编码的工作量,还能大大提高程序的可维护性及扩展性,那么在实现多态时,不包括的步骤是( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":27,"type":28},[],294596741,[81,82,83,84],"int","Boolean","float","char","以下哪个不是 Java 的基本数据类型( )",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":27,"type":28},[],294596742,[90,91,92,93],"隐藏表单域","Cookie","有状态 HTTP 协议","URL 重写","WEB 应用中,常用的会话跟踪方法不包括( )",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":27,"type":28},[],294596743,[99,100,101,102],"Public int MAX_LENGTH=100","final int MAX_LENGTH=100","final public int MAX_LENGTH=100","Public final int MAX_LENGTH=100","MAX_LENGTH 是int型public成员变量,变量值保持为常亮100,用简短语句定义这个变量( )"]