[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$flhQTExqhwIOk_MgrtSMOEZmfpaV8x3JPFZR1sE579Xw":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-06-23 15:58:20",154617806,[8,9,10,11],"a.length的值是3","a[1]的值是1","a[0]的值是0","a[a.length-1]的值等于a[2]的值",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},6,"93c5d526a8541153a4eb37bf913081dd","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4b0c86af6dd9ac9882a9d4d56265c2f3.png","Java程序设计-副本","work_33173548","第2章作业","对于"int a[ ]=new int[3];",下列哪个叙述是错误的( )",[21,32,41,44,53,62],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],154617804,[25,26,27,28],"int a","double b=4.5","boolean b=true","float f=9.8","下列变量定义错误的是 ( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],154617805,[36,37,38,39],"float,double,int,long","double,float,int,byte","byte,long,double,float","double,int,float,long","下列数据类型的精度由高到低的顺序是( )",{"answer":42,"createTime":5,"id":6,"options":43,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":30,"type":31},[],154617807,[48,49,50,51],"【代码1】","【代码2】","【代码3】","【代码4】","下列程序中哪个代码是错误的? public class LianXi2{ public static void main(String args[]){ int x=0; \u002F\u002F【代码1】 x=5\u002F2; \u002F\u002F【代码2】 float y=1.89F; \u002F\u002F【代码3】 y=12.6\u002F8; \u002F\u002F【代码4】 System.out.println(y); }}",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":30,"type":31},[],154617808,[57,58,59,60],"boo[0]、 boo[1]和 boo[2]的值是0","boo[0]、 boo[1]和 boo[2]的值是1","boo[0]、 boo[1]和 boo[2]的值是false","boo[0]、 boo[1]和 boo[2]的值是true","对于boolean boo[]=new boolean[3];下列哪个叙述是正确的",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":30,"type":31},[],154617809,[66,67,68,69],"b[0]=a","b[1]=b[0]","a=b","a[0]=b[0][0]","对于声明的数组int []a={1,2,3,4}, b[][]={{1,2,3},{4,5,6}};下列哪个语句是错误的"]