[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fdyQBpzJE_lvv0tj5_vH4DhynyIr8t_YVm1IcS3e00YY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2025-06-20 15:52:29",205257121,[8,9,10,11],"d = Double.valueOf(s).doubleValue()","d = Double.parseDouble(s)","d = (new Double(s)).doubleValue()","以上都可以",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},20,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_44157506","内部类","以下哪个语句可以把字符串s转换为double类型并保存到变量d",[21,33,42,51,60,69,78,87,96,99],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2025-06-20 15:52:27",205257069,[26,27,28,29],"new java.math.BigDecimal(343.445)","new java.math.BigDecimal('343.445')","new java.math.BigInteger(343)","new java.math.BigInteger("343")","以下正确的语句是","v1",0,{"answer":34,"createTime":23,"id":35,"options":36,"question":41,"source":31,"type":32},[],205257073,[37,38,39,40],"b2 = b1.add(b2)","b2.add(b1)","b1 = b2.add(b1)","b1.add(b2)","应使用如下哪个语句将BigInteger对象b1加到b2中",{"answer":43,"createTime":44,"id":45,"options":46,"question":50,"source":31,"type":32},[],"2025-06-20 15:52:28",205257077,[47,11,48,49],"i = (new Integer(s)).intValue()","i = Integer.valueOf(s)","i = Integer.parseInt(s)","以下哪个语句可以把字符串s转换为int类型并保存到变量i",{"answer":52,"createTime":44,"id":53,"options":54,"question":59,"source":31,"type":32},[],205257083,[55,56,57,58],"String s3 = s1 + s2","s1 >= s2","s1.charAt(0) = '5'","int i = s1.length","假设s1和s2是两个字符串.以下语句或者表达式中,正确的是",{"answer":61,"createTime":44,"id":62,"options":63,"question":68,"source":31,"type":32},[],205257092,[64,65,66,67],"new BigInteger(454)","BigInteger("454")","BigInteger(454)","new BigInteger("454")","要为454创建BigInteger类的实例,应该用如下哪个语句",{"answer":70,"createTime":44,"id":71,"options":72,"question":77,"source":31,"type":32},[],205257098,[73,74,75,76],"append","以上都是","insert","delete","以下哪个StringBuilder的方法不仅改变字符串的内容,还返回对字符串的引用",{"answer":79,"createTime":44,"id":80,"options":81,"question":86,"source":31,"type":32},[],205257104,[82,83,84,85],"Integer.parseInt("100")","Integer.parseInt(100)","Integer.parseInt("12", 2)","Integer.parseInt(100, 16)","以下哪个语句是正确的",{"answer":88,"createTime":44,"id":89,"options":90,"question":95,"source":31,"type":32},[],205257111,[91,92,93,94],"自动装箱(auto boxing)","自动变换(auto casting)","自动开箱(auto unboxing)","自动转换(auto conversion)","可以直接将基本类型赋值给包装类的对象,这称为",{"answer":97,"createTime":5,"id":6,"options":98,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":100,"createTime":5,"id":101,"options":102,"question":107,"source":31,"type":32},[],205257126,[103,104,105,106],"b1 = b2.divide(b1)","b1 = b1.divide(b2)","b1.divide(b2)","b2.divide(b1)","将BigDecimal对象b1除以b2并将结果保存到b1,应该使用哪个语句"]