以下结构体的定义语句中，正确的是______。? struct student {int num; char name[10];int age;}stu;|struct {int num; char name[10];int age;}student; struct student stu;|struct student {int num; char name[10]; int age;}; student stu;|struct student {int num; char name[10];int age;};stu;

有如下结构体定义，能够正确引用结构体的是（）。 struct student { long num; char name[10]; char sex; int age; float score; }stu;

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");

有如下定义：struct{int num;char name[10];...以下对内嵌结构体成员的引用形式错误的是

有如下定义： struct student { int num; char name[20]; int age; }; struct student stu[30]; 下面输入语句正确的是（）