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相关试题
- 1.在下列C# 代码中，（）是类Teacher 的属性。Public class Teacher{ int age=13; private string Name{ get{return name;} set{name=value;}}public void SaySomething(){//…}}选项： A:Name B:name C:age D:SaySomething
- 2.在下列C# 代码中，（ ）是类Teacher 的属性。 Public class Teacher{ int age=13; private string Name{ get{return name;} set{name=value;} } public void SaySomething(){//…} } 选项： A、Name B、name C、age D、SaySomething
- 3.在以下代码中，（ ）是类Teacher的方法。 public class Teacher { int age=33; private string name; public string Name { get{return name;} set{name=value;} } public void SaySomething（）{ //….. } ｝
- 4.在以下代码中，是类Teacher的方法。public class Teacher{int age=33;private string name;public string Name{get{return name;}set{name=value;}}public void SaySomething(){//…..}｝
- 5. 在以下代码中，（ ）是类Teacher的方法。 public class Teacher { int age=33; private string name; public string Name{ get{return name;} set{name=value;} } public void SaySomething（）{ //….. }｝ 选项： A、 Name B、 name C、 age D、 SaySomething
- 6.在以下代码中，（）是类Teacher的方法。 public class Teacher { int age=33; private string name; public string Name{ get{return name;} set{name=value;} }}Public void SaySomething{ //…..} 选项： A: Name B: name C: age D: SaySomething
- 7.在以下代码中,( )是类Teacher的方法。 public class Teacher { int age=33; private string name; public string Name { get{return name;} set{name=value;} } public void SaySomething(){ //…..(5.0) 选项： A、Name B、name C、age D、SaySomething
- 8.【单选题】在下列C# 代码中,()是类Teacher 的属性。 Public class Teacher{ int age=13; private string Name{ get {returnname;} set {name=value;} } public void SaySomething(){//...} } A. Name B. name C. age D. SaySomething
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9.在以下代码中，（ ）是类Teacher的方法。 public class Teacher { int age=33; private string name; public string Name{ get{return name;} set{name=value;} } public void SaySomething（）{ //….. }｝
A、Name
B、name
C、age
D、SaySomething
- 10.1、请根据已知的程序代码，补全类Teacher的工资设置方法setSalary的代码，显示教师信息。 public class Test{ public static void main(String[] args) { Teacher zhang=new Teacher("zhang",40,4580,"VP"); Teacher wang=new Teacher("wang"); zhang.display(); wang.display(); wang.setSalary(3800); wang.display(); }} class Teacher{ private String name; private int age; private double salary; private String professionalTitle; public Teacher(String name,int age,double salary,String professionalTitle){ this.name=name; this.age=age; this.salary=salary; this.professionalTitle=professionalTitle; } public Teacher(String name){ this.name=name; this.age=0; this.salary=0; this.professionalTitle=""; } public void setName(String name){ this.name=name; } public String getName(){ return this.name; } public void setAge(int age){ this.age=age; } public int getAge(){ return this.age; } public void setSalary(double salary){ } public double getSalary(){ return salary; } public void setProfessionalTitle(String professionalTitle){ this.professionalTitle=professionalTitle; } public String getProfessionalTitle(){ return this.professionalTitle; }}选项： A:this.salary = salary; B:salary = salary; C:salary = this.salary; D:其他
- 11. 以下说法正确的是 public class Person{ private int age; private String name; publicint getAge(){ return age; } public String getName(){ return name; } public void setAge(int age){ this.age = age; } public void setName(String name){ this.name = name; } public void show(){ System.out.println("姓名:"+name+",age"+age); } } public class TestPerson{ public static void main(String[] args){ Person p = new Person(); } } 选项： A、 p能调用的方法有setAge(int),getAge(),setName(String),setAge(int) B、 p是Person类的对象 C、 p能调用的方法有Person() D、 p.setName("Tom")能把p的姓名属性赋值为Tom
- 12.1、补全下面教师类的display()方法，显示下面结果：。 Name=zhangSalary=4580.0Table=Rect public class Test{ public static void main(String[] args) { TableInfo t=new TableInfo("Rect", 4, 100,3600); Teacher zhang=new Teacher("zhang", 40, 4580, "VP", t); zhang.display(); }}class Teacher{ private String name; private int age; private double salary; private String professionalTitle; private TableInfo table; public Teacher(String name,int age,double salary,String professionalTitle,TableInfo table){ this.name = name; this.age = age; this.salary =salary; this.professionalTitle = professionalTitle; this.table = table; } public void display(){ System.out.println("Name=" + name); System.out.println("Salary=" + salary); }}class TableInfo{ private String shape; private int legs; private int hight; private double area; public TableInfo(String shape, int legs,int hight,double area){ this.shape = shape; this.legs = legs; this.hight = hight; this.area = area; } public void print(){ System.out.println("Table=" + shape); }}选项： A:table.print(); B:System.out.println(“Table=”+ table); C:System.out.println(“Table=”+ shape); D:其他
- 13.下面程序显示结果。public class Test{ public static void main(String [] args){ Student zhangsan = new Student("张三", 19, 87); Student lisi = zhangsan; lisi.display(); }}public class Student{ private String name; private int age; private double grade; public Student(String name, int age, double grade){ this.name = name; this.age = age; this.grade = grade; } public void display(){ System.out.println("姓名：" + name); }}选项： A:姓名：张三 B:姓名：李四 C:姓名：null D:姓名：
- 14.8.编写一个教师类Teacher,要求： (1) 教师类Teacher属性有： name : String类对象，代表姓名 age : int型，代表年龄 sex :boolean型，代表性别（其中：true表示男，false表示女） 6 phone :long型，代表联系电话 (2) 教师类Teacher方法有： Teacher(String n,inta,Booleans,long p):有构造函数，形象表中的参数分别初始化姓名、年龄、性别和联系电话。 intgetAge() :获取年龄作为方法的返回值 booleangetSex() : 获取性别作为方法的返回值 public String toString() : 以姓名：联系电话的形式作为方法的返回值。 代码如下： public class Demo8 { private String name="XXXX";//姓名 private int age; //年龄 private boolean sex;//代表性别（其中：true表示男，表示女） private long phone=123456;//联系电话 public String getName() { return name; } public void setName(String name) { this.name = name; } public int getAge() { return age; } public void setAge(int age) { this.age = age; } public boolean getSex() { return sex; } public void setSex(boolean sex) { this.sex = sex; } public long getPhone() { return phone; } public void setPhone(long phone) { this.phone = phone; } public String toString(){ return name+" : "+phone; } public static void main(String] args) { Demo8 d= new Demo8(); System.out.println(d.toString()); } }
- 15.分析程序实现代码，选择选项补全下面教师类的display()方法，程序运行结果如下：Name=zhangSalary=4580.0Table=Rectpublic class Test{ public static void main(String[] args) { TableInfo t=new TableInfo("Rect", 4, 100,3600); Teacher zhang=new Teacher("zhang", 40, 4580, "VP", t); zhang.display(); }}class Teacher{ private String name; private int age; private double salary; private String professionalTitle; private TableInfo table; public Teacher(String name,int age,double salary,String professionalTitle,TableInfo table){ this.name = name; this.age = age; this.salary =salary; this.professionalTitle = professionalTitle; this.table = table; } public void display(){ System.out.println("Name=" + name); System.out.println("Salary=" + salary); }}class TableInfo{ String shape; int legs; int hight; double area; public TableInfo(String shape, int legs,int hight,double area){ this.shape = shape; this.legs = legs; this.hight = hight; this.area = area; } public void print(){ System.out.println("Table=" + shape); }}选项： A:System.out.println(“Table=”+ table); B:System.out.println(“Table=”+ table.shape); C:其他 D:table.print();
- 16.阅读下列的程序import java.util.*;class Student { String name; String age; public Student(String name, String age) { this.name = name; this.age = age; } public String toString() { return name + ":" + age; }}public class Example{ public static void main(String[] args) { Set set = new HashSet(); set.add(new Student("Tom", "10")); set.add(new Student("Jerry", "10")); set.add(new Student("Tom", "10")); }}下列选项中，程序的运行结果是（ ）选项： A:2; B:3; C:1; D:不固定个数
- 17.阅读下列的程序import java.util.*;class Student { String name; String age; public Student(String name, String age) { this.name = name; this.age = age; } public String toString() { return name + ":" + age; }}public class Example{ public static void main(String[] args) { Set set = new HashSet(); set.add(new Student("Tom", "10")); set.add(new Student("Jerry", "10")); set.add(new Student("Tom", "10")); }}下列选项中，程序的运行结果是：set集合中的元素个数为（ ）选项： A:1 B:不固定个数 C:3 D:2
- 18.阅读下列的程序import java.util.*;class Student { String name; String age; public Student(String name, String age) { this.name = name; this.age = age; } public String toString() { return name + ":" + age; }}public class Example{ public static void main(String[] args) { Set set = new HashSet(); set.add(new Student("Tom", "10")); set.add(new Student("Jerry", "10")); set.add(new Student("Tom", "10")); }}下列选项中，程序的运行结果是：set集合中的元素个数为（ ）选项： A:2 B:1 C:不固定个数 D:3
- 19.阅读下列的程序import java.util.*;class Student { String name; String age; public Student(String name, String age) { this.name = name; this.age = age; } public String toString() { return name + ":" + age; }}public class Example{ public static void main(String[] args) { Set set = new HashSet(); set.add(new Student("Tom", "10")); set.add(new Student("Jerry", "10")); set.add(new Student("Tom", "10")); }}下列选项中，程序的运行结果是：set集合中的元素个数为（ ）选项： A:2 B:3 C:1 D:不固定个数
