第1题:
Ancient Chinese society is divided into the Stone Age and the Iron Age.()
第2题:
A.age=0
B.age=null
C.age=
D.程序编译错误
第3题:
此题为判断题(对,错)。
第4题:
A.public Person(){}
B.public Person(String name,int age) { this.name = name; this.age = age; }
C.public Person(int age,String name) { this.age = age; this.name = name; }
D.public Person(String name) { this.name = name; }
第5题:
S(S#,SN,SEX,AGE,DEPT) C(C#,CN) SC(S#,C#,GRADE) 其中:S#为学号,SN为姓名,SEX为性别,AGE为年龄,DEPT为系别,C#为课程号, CN为课程名,GRADE为成绩。检索所有比“王华”年龄大的学生姓名、年龄和性别。 正确的SELECT语句是______。
A.SELECT SN,AGE,SEX FROM S WHERE AGE>(SELECT AGE FROM S WHERE SN=‘王华’)
B.SELECT SN,AGE,SEX FROM S WHERE SN=‘王华’
C.SELECT SN,AGE,SEX FROM S WHERE AGE>(SELECT AGE WHERE SN=‘王华’)
D.SELECT SN,AGE,SEX FROM S WHERE AGE>王华 AGE
第6题:
给出下列的不完整的类代码,则哪个语句可以被加到横线处? ( ) class Person{ String name,department; int age; public Person(String n){name=n;} public Person(String n,int s){name=n; age=a;} public Person(String n,String d,int a){ department=d;______ } }
A.Person(n,a);
B.this(Person(n,a));
C.this(n,s);
D.this(name,age);
第7题:
给出下面不完整的类代码,则横线处的语句应该为( )。 class Person { String name,department; int age; public Person (Strings) {name=s;} public Person (String s,int
A.{name=s;age=a;} public Person (String n,String d,intA){ __________ department=d; } }A)Person (n,A);
B.this (Person(n,A));
C.this(n,A);
D.this(name,age);
第8题:
A、considerate
B、inappropriate
C、impolite
D、polite
第9题:
根据下面的程序,可以在主程序中使用的合法语句是( )。 #include <iostream> using namespace std; class Person{ int age; voidtest(){} public: Person(intage){this->age=age;} void ShowAge(){cout<<"the Person's age is",<<age;} }; void main(){ Person wang(23); }
A.wang.age=45
B.wang.wang(45)
C.wang.ShowAge()
D.wang.test()
第10题:
检索所有比“王华”年龄大的学生姓名、年龄和性别。正确的SELECT语句是______。
A.SELECT SN,AGE,SEX FROM S WHERE AGE>(SELECT AGE FROM S WHERE SN='王华')
B.SELECT SN,AGE,SEX FROM S WHERE SN='王华'
C.SELECT SN,AGE, SEX FROM S WHERE AGE>(SELECT AGE WHERE SN='王华')
D.SELECT SN,AGE,SEX FROM S WHERE AGE>王华 AGE