[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fUxZXLb8vobyFC5znlb2qzZzbK4p7ypDAOvOi0YCjIVA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2023-12-21 10:24:36",118794664,[8,9,10,11],"try","catch","throw","fmally",{"courseId":13,"courseImg":14,"courseName":15},"3063799c97f8f3d2ccb8c1ef8389c317","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6d2112725efc21a20518c77d8829931f.png","Java程序设计","java中用来抛出异常的关键字是",[18,29,38,47,56,65,68,77,86,95],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],118794651,[22,23,24,25],"依赖","关联","实现","泛化","学校里每个班级包括若干名学生.按照UML的理论,班级与学生之间是 关系.( )","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],118794653,[33,34,35,36],"子类将继承父类所有属性和方法","子类将继承父类所有非私有属性和方法","子类将继承父类public属性和方法","子类只继承父类的方法,而不继承属性","关于继承的说法正确的是",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":27,"type":28},[],118794656,[42,43,44,45],"public void H1{…}","public class Move(){…}","public class void number{}","public class Car{…}","下列哪个类声明是正确的( )",{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":27,"type":28},[],118794659,[51,52,53,54],"60","5","0","54","下列语句序列执行后,k 的值是( ). int x=6, y=10, k=5; switch( x%y ) { case 0: k=x*y; case 6: k=x\u002Fy; case 12: k=x-y; default: k=x*y-x; }",{"answer":57,"createTime":5,"id":58,"options":59,"question":64,"source":27,"type":28},[],118794662,[60,61,62,63],"public","class","interface","static","定义一个类,必须使用的关键字是",{"answer":66,"createTime":5,"id":6,"options":67,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":27,"type":28},[],118794667,[72,73,74,75],"1","2","3","4","给出以下代码,请问该程序的运行结果是什么. class Example{ public static void main(String args[]){ int[] a={1,2,3,4,5}; System.out.println(a[3]);} }",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":27,"type":28},[],118794672,[81,82,83,84],"char a='abc'","byte b=152","float c=2.0","double=2.0","下面那个赋值语句不会产生编译错误?( )",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":27,"type":28},[],118794674,[90,91,92,93],"A.import java.awt.*","B.import java.applet.Applet","C.import java.io.* ; D.import java.awt.Graphics","D.import java.awt.Graphics","在编写Java Applet程序时,需在程序的开头写上 语句.( )",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":27,"type":28},[],118794678,[99,100,101,102],"编译错误:变量array可能没有被初始化","运行时出错:变量array[0]可能没有被初始化","运行时出错:第6行抛出java.lang.NullPointerException","运行时打印"Value is: 0"","以下程序代码能否通过编译,如果通过编译,运行"java Sample"时会出现 .( ) public class Sample{ int array[]; private void test() { System.out.println("Value is: " + array[0]); } public static void main(String[] args) { new Sample().test(); } }"]