给出下列的不完整的类代码,则下列的哪个语句可以加到横线处? class Person { String name,department; int age; public Person( String n ){ name = n;} public Person( String n,int a ) { 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,a);D.this(name,age);

给出下列的不完整的类代码,则下列的哪个语句可以加到横线处? class Person { String name,department; int age; public Person( String n ){ name = n;} public Person( String n,int a ) { 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,a);

D.this(name,age);


相关考题:

为使下列代码正常运行,应该在下划线处填入的选项是abstract class Person{public Person(String n)!name=n;}public____String getDescription();public String getName(){return name;}private String name;}A.staticB.privateC.abstractD.final

( 30 )下列代码声明了 3 个类class Person{};class Student:public Person{};class Undergraduate:Student{};下列关于这些类之间关系的描述中,错误的是A )类 Person 是类 Undergraduate 的基类B )类 Undergraduate 从类 Student 公有继承C )类 Student 是类 Person 的派生类D )类 Undergraduate 是类 Person 的派生类

阅读下列代码段 abstract class Person{ public Person(String n){ name=n; } public______String getDescription(); public String getName(){ } private String name; } 在下画线处应填入的修饰符是A.staticB.abstractC.protectedD.final

设有下列两个类的定义,则类Person和类Man的关系是( )。 class Person { long id; //身份证号 String name; //姓名 } class Man extends Person { int age; //年龄 int getAge() { return age; } }A.包含关系B.继承关系C.关联关系D.无关系,上述类定义有语法错误

class Person{ String name,department; int age; public Person(Stringn){name=n;} public Person(String n, int a){name=n;age=a;} publicPerson(String n,String d,int a){ doing the same as two argumentsversion of constructer including assignment name=n,age=a } } 下列哪一个选项可以添加到“doing the same....”处?()APerson(n,a)Bthis(Person(n,a))Cthis(n,a)Dthis(name,age

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);

下面的程序的功能是简单的进行键盘输入测试,请在程序的每条横线处填写一个语句,使程序的功能完整。注意:请勿改动main()主方法和其他已有的语句内容,仅在横线处填入适当的语句。____________________public class TestKeyBoardInPut{public static void main(String[] args){String yourname=JOptionPane. ____________________ ("What is your name?");System.out.println("Hello"+yourname);____________________.exit(0);}}

下列程序运行后的输出结果是( )。#include#includeusing namespace std;class Person{public:Person(string n):name(n) { coutprivate:int year,month,day;};class Student:public Person{public:Student(string n,int y,int m,int d,char c):birthday(y,m,d),sex(c),Person(n) { coutA. SB.PSC.DPSD.PDS

阅读下面代码 abstract class Person { public Person(String n) { name=n; } public______String getDescription(); public String getName() { return name; } private String name; } 在下画线处应填入的修饰符是A.staticB.abstractC.protectedD.final

给出下列的不完整的类代码,则下列的( )语句可以加到横线处。 class Person{ String name,department; int age public Person(String n){name=n;} public Person(String n,int a){name=n;age=a;} pubilc Person(String n,String d,int a) { _______________ department=d; } }A.Person(n,a);B.this(Person(n,a));C.this(n,a);D.this(name,age);

在下列程序的划线处应填入的语句是class Person { private int a;}public class Man extends Person{ public int b; public static void main (String arg []){ Person p=new Person(); Man t=new Man(); int i: }}A.i=w;B.i=bC.i=p.a;D.i=t.b;

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,intA.{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);

给出下列的代码,则下列选项中哪个是类A合理的内部类? class A { protected int i; A(int i) { this.i=i; } }A.class B { }B.class B extends A { }C.class B extends A { B( ){System.out.println("="+i);} }D.class A { }

设有下面两个类的定义: class Person{ long id // 身份证号 String name; //姓名 } class Student extends Person{ int score: //成绩 int getScore ( ) { return score; } } 则类Person和类Student的关系是( )。A.包含关系B.继承关系C.关联关系D.无关系

为使下列代码正常运行,应该在下画线处填入的选项是( )。 abstract class person{ public Person(String n){ name=n: } Public String getDescription; public String getName{ return name; } private string name; }A.staticB.privateC.abstractD.final

下列程序通过实现Runnable接口创建一个线程,选择正确的语句填入程序的横线处。 class MyRun implements Runnable { String str; MyRun(String s) { str = s; } public void run() System.out.println(str); } } public class ex40 { public static void main(String[] args) { String name = "实现阶段Runnable 接口"; MyRun my = new MyRun(name); Thread th = th. start ( ); } }A.new MyRun(my)B.new Thread()C.new Thread(my)D.Thread(my)

Person p = new Person(“张三”,23);这条语句会调用下列哪个构造方法给属性进行初始化() 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; }

设有下面两个类的定义。 class Person { long id; // 身份证号 String name; // 姓名 } class Student extends Person { int score; // 入学总分 } intgetScore() { return score;} } 则类Person和类Student的关系是? } A.包含关系B.继承关系C.关联关系D.上述类定义有语法错误

public class Person {  private String name, comment;  private int age;  public Person(String n, int a, String c) {  name = n; age = a; comment = c;  }  public boolean equals(Object o) {  if(! (o instanceof Person)) return false;  Person p = (Person)o;  return age == p.age  name.equals(p.name);  }  }  What is the appropriate definition of the hashCode method in class Person?() A、 return super.hashCode();B、 return name.hashCode() + age * 7;C、 return name.hashCode() + comment.hashCode() /2;D、 return name.hashCode() + comment.hashCode() / 2 - age * 3;

类Student代码如下:  class Student{    String name;  int age;  Student(String nm){  name = nm; } }  执行语句Student stu = new Student()后,字段age的值是哪项?() A、 0B、 nullC、 falseD、 编译错误

类Account中字段声明正确的是?()    A、class Account{  name;  amount;  }B、class Account{  String name;  double amount;  }C、class Account{  String name=1.0;  double amount=”Mike”;  }D、class Account{  String name=”Mike”,double amount=1000.0;  }

public class Employee{       private String name;  public Employee(String name){           this.name = name;      }  public String getName(){         return name;      } }  public class Manager extends Employee{       public Manager(String name){          System.out.println(getName());      } }  执行语句new Manager(“smith”)后程序的输出是哪项?() A、 smithB、 nullC、 编译错误D、 name

单选题类Student代码如下:  class Student{    String name;  int age;  Student(String nm){  name = nm; } }  执行语句Student stu = new Student()后,字段age的值是哪项?()A 0B nullC falseD 编译错误

单选题public class Person {  private String name, comment;  private int age;  public Person(String n, int a, String c) {  name = n; age = a; comment = c;  }  public boolean equals(Object o) {  if(! (o instanceof Person)) return false;  Person p = (Person)o;  return age == p.age  name.equals(p.name);  }  }  What is the appropriate definition of the hashCode method in class Person?()A return super.hashCode();B return name.hashCode() + age * 7;C return name.hashCode() + comment.hashCode() /2;D return name.hashCode() + comment.hashCode() / 2 - age * 3;

单选题public class Employee{   private String name;   public Employee(String name){   this.name = name;  }   public String getName(){   return name;  }  }   public class Manager extends Employee{   public Manager(String name){   System.out.println(getName());  }  }   执行语句new Manager(“smith”)后程序的输出是哪项?()A smithB nullC 编译错误D name

单选题类Student代码如下:D   class Student{   String name;   int age;   Student(String nm){ (构造方法)   name = nm;  }  }   执行语句Student stu = new Student()后,字段age的值是哪项?()A 0B nullC falseD 编译错误

单选题Given the uncompleted code of a class:     class Person {  String name, department;     int age;  public Person(String n){  name = n; }  public Person(String n, int a){  name = n;  age = a;  }  public Person(String n, String d, int a) {  // doing the same as two arguments version of constructor     // including assignment name=n,age=a    department = d;     }     }  Which expression can be added at the "doing the same as..." part of the constructor?()A Person(n,a);B this(Person(n,a));C this(n,a);D this(name,age);