[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fjKG_wRqSCeofAZ3SO6u1Y0kVktaCakZ_6AzrBJLxfpA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2026-05-11 12:13:25",366661858,[8,9,10,11],"2未被添加到list中","添加进去的2在索引1的位置","list.remove(1)的参数1为整数,它调用的是remove(int index)的方法,删除了索引1所在的元素","list.remove(1)是删除了其值为1的Integer对象",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},9,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","196d5d5e34ad43a9a220e71fcd8d4a3f","11.11 ArrayList类","以下代码显示[1, 3]而不是[2, 3],解释正确的是: ArrayList<Integer> list = new ArrayList<>();list.add(1);list.add(2);list.add(3);list.remove(1);System.out.println(list)",[21,33,42,45,56,62,67,72,80],{"answer":22,"createTime":5,"id":23,"options":24,"question":30,"source":31,"type":32},[],366661848,[25,26,27,28,29],"第1行","第2行","第4行","第5行","第6行","以下代码中第一次导致程序错误的是那一行: ArrayList<String> list = new ArrayList<>();list.add("Denver");list.add("Austin");list.add(new java.util.Date());String city = list.get(0);list.set(3, "Dallas");System.out.println(list.get(3))","v1",0,{"answer":34,"createTime":5,"id":35,"options":36,"question":41,"source":31,"type":32},[],366661853,[37,38,39,40],"{"Dallas", "Dallas", "Houston", "Dallas"}","{"Dallas", "Houston", "Dallas"}","{"Houston", "Dallas"}","{"Houston"}","假设ArrayList list包含{"Dallas", "Dallas", "Houston", "Dallas"}.调用list.remove("Dallas")一次后,list是什么",{"answer":43,"createTime":5,"id":6,"options":44,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":46,"createTime":5,"id":47,"options":48,"question":54,"source":31,"type":55},[],366661864,[49,50,51,52,53],"ArrayList<Double> list = new ArrayList<>();中的Double应该改为double","list.add(1);中的1应该改为1.0","list.add(1);中的参数应该改为Double.valueOf(1)","ArrayList<Double> list = new ArrayList<>();中的Double应该改为int","ArrayList<Double> list = new ArrayList<>();中的Double应该改为Integer","此代码是错误的. ArrayList<Double> list = new ArrayList<>();list.add(1); 以下哪几个修改可以使代码正确",1,{"answer":57,"createTime":58,"id":59,"options":60,"question":61,"source":31,"type":32},[],"2026-05-11 12:18:26",366704679,[25,26,27,28,29],"以下代码中第一次导致程序错误的是那一行: ArrayList<String> list = new ArrayList<>();list.add("Denver");list.add("Austin");list.add(new java.util.Date());String city = list.get(0);list.set(3, "Dallas");System.out.println(list.get(3));",{"answer":63,"createTime":58,"id":64,"options":65,"question":66,"source":31,"type":32},[],366704680,[37,38,39,40],"假设ArrayList list包含{"Dallas", "Dallas", "Houston", "Dallas"}.调用list.remove("Dallas")一次后,list是什么?",{"answer":68,"createTime":58,"id":69,"options":70,"question":71,"source":31,"type":32},[],366704681,[8,9,10,11],"以下代码显示[1, 3]而不是[2, 3],解释正确的是: ArrayList<Integer> list = new ArrayList<>();list.add(1);list.add(2);list.add(3);list.remove(1);System.out.println(list);",{"answer":73,"createTime":58,"id":74,"options":75,"question":78,"source":31,"type":79},[],366704682,[76,77],"正确","错误","假设ArrayList list包含{"Dallas", "Dallas", "Houston", "Dallas"}.下面的代码正确地从列表中删除了所有值为"Dallas"的元素. for (int i = 0; i < list.size(); i++) list.remove("Dallas");",3,{"answer":81,"createTime":58,"id":82,"options":83,"question":84,"source":31,"type":55},[],366704683,[49,50,51,52,53],"此代码是错误的. ArrayList<Double> list = new ArrayList<>();list.add(1); 以下哪几个修改可以使代码正确?"]