{"content":" ","role":"system"}%换换行%{"content":" *14.(多选题)下面哪些属于循环结构?\n\nprintf\nfor\ndo.....while\n\nwhile","role":"user"}%换换行%{"content":"for\ndo.....while\nwhile","role":"assistant"}%换换行%{"content":" 15.(多选题)以下语句返回值为true的有(多选题)以下语句返回值为true的有\n\n\"beljing\"==\"beljing\"\n\n\"beijing\".equals (new String(\"beijing\") )\n\nbeijing =new (\"beijing\")\n\nbeijing =- new string(beijing)","role":"user"}%换换行%{"content":"\"beljing\"==\"beljing\"\n\n\"beijing\".equals (new String(\"beijing\") )","role":"assistant"}%换换行%{"content":" 16.(判断题)在正则表达式中是不区分大小写的。\n对\n错","role":"user"}%换换行%{"content":"错","role":"assistant"}%换换行%{"content":" 17.(判断题)Java具有很好的继承性，当然也支持多继承\n对\n)错","role":"user"}%换换行%{"content":"错","role":"assistant"}%换换行%{"content":" 18.(判断)创建线程只有两种不同的方式，分别是继承 Thread类和实现Runnable接口。\n)对\n错","role":"user"}%换换行%{"content":"错","role":"assistant"}%换换行%{"content":" 19.(判断)参数重载和方法覆盖时，参数和父类必须不同。\n对\n错","role":"user"}%换换行%{"content":"错","role":"assistant"}%换换行%{"content":" *20.(判断题)String是一种最基本的数据类型。\n","role":"user"}%换换行%{"content":"错","role":"assistant"}