[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f8O0PrFaUCUNyhKI85Au3ow-ymNaveOPwO2J8r2mefW8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":14,"related":15,"source":24,"type":68},[],"2025-11-19 13:05:54",1093993860,[8,9],"对","错",{"courseId":11,"workId":12,"workName":13},"1000146616","64485031","第六章单元测试","Math.abs(-5.3) 的返回值是 5.3",[16,26,35,44,54,63,69,78,81,90],{"answer":17,"createTime":5,"id":18,"options":19,"question":23,"source":24,"type":25},[],1093993826,[20,21,22,22],"*","+","","以下哪个元字符在正则表达式中表示"匹配前面的字符一次或多次"","v2",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],1093993832,[30,31,32,33],"LocalDate.now()","new LocalDate()","LocalDate.ofNow()","LocalDate.create()","以下哪种方式可以正确创建表示当前日期的LocalDate对象",{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":25},[],1093993834,[39,40,41,42],"使用相同的种子创建多个 Random 实例,它们生成的随机数序列完全不同","如果不指定种子,Random 实例将无法生成随机数","每次运行程序时,new Random() 使用系统时间作为默认种子,因此生成的序列通常不同","设置种子后只能生成整数类型的随机数","以下关于 Random 类种子机制的说法中,哪一项是正确的",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":24,"type":53},[],1093993836,[48,49,50,51],"Pattern类用于编译正则表达式字符串,生成一个可重用的模式对象","Matcher类的实例可以通过Pattern对象的matcher()方法获得","每个Matcher对象可以同时关联多个Pattern模式","Pattern类提供了matches()静态方法,可用于快速匹配整个字符串而无需显式创建Matcher","在Java中使用正则表达式进行字符串匹配时,关于Pattern和Matcher类的关系与使用方式,以下哪些说法是正确的",1,{"answer":55,"createTime":5,"id":56,"options":57,"question":62,"source":24,"type":25},[],1093993838,[58,59,60,61],"LocalDateTime.parse("2025-04-05 14:30", DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm"))","LocalDateTime.parse("2025-04-05 14:30", DateTimeFormatter.ISO_LOCAL_DATE)","LocalDateTime.from(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm").format("2025-04-05 14:30"))","LocalDateTime.parse("2025-04-05 14:30", DateTimeFormatter.ofPattern("dd\u002FMM\u002Fyyyy hh:mm"))","给定字符串"2025-04-05 14:30",要将其解析为LocalDateTime对象,应如何正确使用DateTimeFormatter",{"answer":64,"createTime":5,"id":65,"options":66,"question":67,"source":24,"type":68},[],1093993851,[8,9],"在Java中,StringBuffer对象的内容可以被修改,而String对象一旦创建其内容不可变;因此,在频繁进行字符串拼接操作时,使用StringBuffer通常比String具有更高的性能",3,{"answer":70,"createTime":5,"id":71,"options":72,"question":77,"source":24,"type":25},[],1093993852,[73,74,75,76],"String str = "Hello"","String str = new String("Hello")","String str1 = "Hello"; String str2 = "Hello"","String str = "Hel" + "lo"","在 Java 中,以下关于 String 类对象初始化的代码片段中,哪一项会在字符串常量池中创建新的字符串对象",{"answer":79,"createTime":5,"id":6,"options":80,"question":14,"source":24,"type":68},[],[8,9],{"answer":82,"createTime":5,"id":83,"options":84,"question":89,"source":24,"type":53},[],1093993862,[85,86,87,88],"PI","E","MAX_VALUE","RANDOM","以下哪些是 Math 类中定义的常量",{"answer":91,"createTime":5,"id":92,"options":93,"question":98,"source":24,"type":25},[],1093993864,[94,95,96,97],"Math.random() * 10","(int)(Math.random() * 10)","(int)(Math.random() * 11)","Math.round(Math.random() * 10)","下列哪个方法调用可以生成一个介于 0(含)和 10(不含)之间的整数随机数"]