【单选题】以下哪个是合法的JSON对象结构( ) A: {"name":"tom","age":"23"} B: {"name":tom,"age":23} C: {name:"tom","age":23} D: {name:tom,"age":23}

【多选题】以下哪些是合法的josn数据表达( ) A: { "name": "zhangsan", "address":{ "city":"Beijing", "street":"Xisanqi", "postcode":100096 } } B: { "name":"zhangsan", "hobby":["篮球","羽毛球","游泳"]} C: {"name":"tom","age":"23"} D: [{"name":"tom","age":12},{"name":"rose","age":15}]

Of the following works, which one is not written by Mark Twain A: The Gilded Age B: Life on the Mississippi C: The Adventures of Tom Sawyer D: Uncle Tom"s Cabin

The Gilded Age, The Adventures of Tom Sawyer, The Adventures of Huckleberry Finn and Red and Black are all Mark Twain’s works.

有如下类的定义，创建Employee对象错误的是（） public class Employee{ private int age; private String name; public Employee(int age){ this.age = age; } public Employee(String name){ this.name = name; } public Employee(int age,String name){ this(age); this.name = name; } } A: Employee emp = new Employee(10); B: Employee emp = new Employee("Tom"); C: Employee emp = new Employee(); D: Employee emp = new Employee(10,"Tom");

下列选项是正确字典的创建方法的是？ A: {‘book’:’python’:’100’’’} B: {‘name’:’John’,’age’:25,’sex’:’male’} C: (‘name’,’Tom’:’age’,’25’) D: dict{}

Which is not written by Mark Twain A: Innocents Abroad B: The Adventures of Tom Sawyer C: The Gilded Age D: Red Badge of Courage

Jonathan Swift madde himself known with his merciless satire on the British society of his age such as that in his work The History of Tom Jones, a Foundling.

After The Adventures of Tom Sawyer, Twain gives a literary independence to Tom's buddy in a book entitled _________. （ ） A: The Adventures of Huckleberry Finn B: A Connecticut Yankee in king Arthur's Court C: Life on the Mississippi D: The Gilded Age

有如下类的定义，创建Employee对象正确的是（） public class Employee{ private int age; private String name; public void Employee(){ } public Employee(int age){ this.age = age; } public Employee(String name){ this.name = name; } } A: Employee e = new Employee( ) B: Employee e = new Employee(10); C: Employee e = new Employee(tom); D: Employee e = new Employee(10,"tom");