[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fJoKsQuHKAjGW-QwH54NMun1Wtj0jMhcmIlDUTQVQDGg":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-04-22 16:41:23",139653324,[8,9,10,11],"0","2","1","5",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},26,"3bedb491489412d6a901cda16180046d","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03caf8ee1ca5d3cf84d91ca5f08b2517.png","JAVA语言程序设计","8a472e29691e4c7ea4208845dcf166c0","模块5异常处理与常用API测试","下面代码中i的值是( ). String str = "mingrikeji"; int i = str.indexOf('i'); System.out.println(i)",[21,33,43,53,62,71,81,91,101,111],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-04-22 16:41:09",139653315,[26,27,28,29],"length","length()","codePointAt()","chatAt()","获取字符串长度应该使用下列哪个方法?( )","v1",0,{"answer":34,"createTime":35,"id":36,"options":37,"question":42,"source":31,"type":32},[],"2024-04-22 16:41:12",139653316,[38,39,40,41],"编译错误","运行错误","输出23、23和5","输出5、5和23","当编译和运行下列代码时会发生什么?( ). public class Test { public static void main(String[] args) { System.out.println("" + 2 + 3); System.out.println(2 + "" + 3); System.out.println(2 + 3 + ""); } }",{"answer":44,"createTime":45,"id":46,"options":47,"question":52,"source":31,"type":32},[],"2024-04-22 16:41:13",139653317,[48,49,50,51],"text >> = 3","text[3] = 'a'","int length = text.length()","text+12345","如果String text = "MingRiSoft";,则以下哪个选项是合法的?( )",{"answer":54,"createTime":55,"id":56,"options":57,"question":61,"source":31,"type":32},[],"2024-04-22 16:41:15",139653318,[38,58,59,60],"输出ABCEDF","输出ABFDE","输出ABCDE","当编译和运行下列代码时会发生什么?( ). public class Test { public static void main(String[] args) { String text = "ABCD"; text += "E"; text.replace("C", "F"); System.out.println(text); } }",{"answer":63,"createTime":64,"id":65,"options":66,"question":70,"source":31,"type":32},[],"2024-04-22 16:41:17",139653319,[38,67,68,69],"输出9","输出123456789","运行时出现错误","在编译和运行下列代码时会发生什么?( ). public class Ref { public static void main(String args[]) { String str = "123456789"; char mychar = str.charAt(9); System.out.println(mychar); } }",{"answer":72,"createTime":73,"id":74,"options":75,"question":80,"source":31,"type":32},[],"2024-04-22 16:41:19",139653320,[76,77,78,79],"java.sql","java.Scanner","java.awt","java.util","Scanner类在哪个包中( )",{"answer":82,"createTime":83,"id":84,"options":85,"question":90,"source":31,"type":32},[],"2024-04-22 16:41:20",139653321,[86,87,88,89],"返回a、","的平方B、 返回a、b的最大值","返回a、b的立方","返回a、b的正弦值","下面这段代码的含义是( ). public static double max (double a,double b){return a>b?a:b;}",{"answer":92,"createTime":93,"id":94,"options":95,"question":100,"source":31,"type":32},[],"2024-04-22 16:41:21",139653322,[96,97,98,99],"random()","abs()","sqrt()","sin()","Math类的方法中获取随机数的方法是( )",{"answer":102,"createTime":103,"id":104,"options":105,"question":110,"source":31,"type":32},[],"2024-04-22 16:41:22",139653323,[106,107,108,109],"abcdefgh","AbCDefGh","ABCDEFGH","AbcdefGH","下面代码的执行结果是( )指令. String str = "AbCDefGh"; String lStr = str.toLowerCase()",{"answer":112,"createTime":5,"id":6,"options":113,"question":19,"source":31,"type":32},[],[8,9,10,11]]