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发布时间:2024-01-18 18:59:35

[填空题]请在划线处编写适当语句,完成此程序使它能正确执行。
import java.io.*;
public class Leap Year
public static void main (String arget[]) throws IOException
InputStreamReader ir;
BufferedReader in;
ir=new Input Stream Reader (System.in);
in=new BufferedReader(ir);
System.out.println(“输入年份是:”):
String s=in.readLine( );
int year=Integer.parseInt(s);

System.out.println(" "+ year+“年是闰年。”);

else

System.out.println(" " +year+“年不是闰年。”);




更多"请在划线处编写适当语句,完成此程序使它能正确执行。 import j"的相关试题:

[填空题]请在划线处编写适当语句,完成此程序使它能正确执行。
import java.io.*;
public class Leap Year
public static void main (String arget[]) throws IOException
InputStreamReader ir;
BufferedReader in;
ir=new Input Stream Reader (System.in);
in=new BufferedReader(ir);
System.out.println(“输入年份是:”):
String s=in.readLine( );
int year=Integer.parseInt(s);

System.out.println(" "+ year+“年是闰年。”);

else

System.out.println(" " +year+“年不是闰年。”);



[填空题]下列程序可完成求1至100之间的整数的和的功能。请在划线处编写适当语句,使此程序能正确执行。
public class Sum

public static void main(string args[])

int sum=0;
for(int i=1;i<=100;i++)
【13】
System.out.println("sum="+sum);


[填空题]通过参数定制Applet,请在下划线处编写适当语句 【15】 ,使程序能正确运行。 para_duke.html <HTML> <HEAD> <TITLE> A Simple Program </TITLE> </HEAD> <BODY> <applet code = DrawAny.class width = 100 height = 100 align = bottom> <param name = image value = "duke.gif"> </applet> </BODY> </HTML> DrawAny.java import java.awt.*; import java.applet.*; import java.net. URL; public class DrawAny extends Applet { Image im; public void init( ) { URL url = getDocumentBase( ); String imageName = getParameter("image"); ______; } public void paint(Graphics g) { g.drawImage(im,0,0,this); } }
[填空题]通过参数定制Applet,请在下划线处编写适当语句 【15】 ,使程序能正确运行。
para_duke.html
<HTML>
<HEAD>
<TITLE> A Simple Program </TITLE>
</HEAD>
<BODY>
<applet code = DrawAny.class width = 100 height = 100 align = bottom>
<param name = image value = "duke.gif">
</applet>
</BODY>
</HTML>
DrawAny.java
import java.awt.*;
import java.applet.*;
import java.net. URL;
public class DrawAny extends Applet

Image im;
public void init( )

URL url = getDocumentBase( );
String imageName = getParameter("image");
______;

public void paint(Graphics g)

g.drawImage(im,0,0,this);


[填空题]通过参数定制Applet,请在下划线处编写适当语句工 【15】 ,使程序能正确运行。
para_duke.html
<HTML>
<HEAD>
<TITLE> A Simple Program </TITLE>
</HEAD>
<BODY>
<applet code = DrawAny.class width = 100 height = 100 align = bottom>
<param name = image value = "duke.gif">
</applet>
</BODY>
</HTML>
DrawAny.java
import java.awt.*;
import java.applet.*;
import java.net.URL;
public class DrawAny extends Applet

Image im;
public void init( )

URL url = getDocumentBase( );
String imageName = getParameter("image");

public void paint(Graphics g)

g.drawImage(im,0,0,this);


[填空题]下列程序编译错误,是由于划线处缺少某个语句,该语句是 【15】 。 #include <iostream. h> class A { ______ private: int numl; public: A( ):numl(0){} A(int i):numl(i){} }; class B { private: int num2 public: B( ):num2(0){} B(int i):num2(i){} int my_math(A obj1,B obj2); }; int B::my_math(A obj1,B obj2) } return (obj1.num1+obj2.num2); } void main(void) { A obj1 (4) B obj,obi2(5); cout <<"obj1+obj2:"<<obj.my_math(obj1,obj2); }
[填空题]下列程序编译错误,是由于划线处缺少某个语句,该语句是 【15】
#include <iostream. h>
class A

______
private:
int numl;
public:
A( ):numl(0)
A(int i):numl(i)
;
class B

private:
int num2
public:
B( ):num2(0)
B(int i):num2(i)
int my_math(A obj1,B obj2);
;
int B::my_math(A obj1,B obj2)

return (obj1.num1+obj2.num2);

void main(void)

A obj1 (4)
B obj,obi2(5);
cout <<"obj1+obj2:"<<obj.my_math(obj1,obj2);

[填空题]下列程序编译错误,是由于划线处缺少某个语句,该语句是______。
#include<iostream.h>
class A

private:
int numl;
public:
A( ):numl(0)
A(int i):numl(i)
;
class B

private:
int num2;
public:
B( ):num2(0)
B(int i):num2(i)
int my_math(A obj1, B obj2);
;
int B::my_math(A obj1,B obj2)

return(obj1.numl+obj2.num2);

void main(void)

A objl(4);
B obj,obj2(5);
cout<<"obj1+obj2:"<<obj.my_math(obj1,obj2);

[单项选择]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=b;
C. i=p.a;
D. i=t,b;
[单项选择]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=newPerson( );  Man t=new Man( );  int i;  _________________    

A. i=w;
B. i=b;
C. i=P.a;
D. i=t.b;
[单项选择]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=b
C. i=p.a;
D. i=t.b;
[单项选择]下列程序中划线处正确的语句是( )。
# include <iostream>
using namespace std;
class Base

public:
void fun( )cout<<"Base:: fun" <<endl;

class Derived:public Base

void fun( )

______ ∥显式调用基类的函数fun( )
cout<<"Derived:: fun"<<endl;


A. fun();
B. Base.fun();
C. Base::fun();
D. Base- >fun();
[单项选择]为完成下面的程序,应在划线处填入的语句是
#include<iostream>
using namespace std;
class Base

private:
int x;
public:
Base(int i)

x=i;

~Base( )

class Derived:public Base

public:
______ //完成类Derive构造函数的定义

int main( )

Derived obj;
return 0;

A. Derived(inti):Base(i)
B. Derived()
C. Void Derived (inti):Base(i)
D. Denved(inti)Base(i);
[单项选择]下列程序中,划线处正确的语句是( )。
#include<iostream.h>
Class Base

Public:
Void fun( )cout<<"Base::fun"<<endl;

Class Derived:public Base

void fun( )

______ //显示调用基类的函数fun( )
Cout<<"Derived::fun"<<endl;


A. fun()
B. Base.fun()
C. Base::fun()
D. Base->fun();
[单项选择]下列程序中,划线处正确的语句是( )。
#include<iostream.h>
Class Base

Public:
Void fun( )cout<<"Base::fun"<<endl;

Class Derived:public Base

void fun( )

______ //显示调用基类的函数fun( )
Cout<<"Derived::fun"<<endl;


A. fun()
B. Base.fun()
C. Base::fun()
D. Base->fun();
[单项选择]为完成下面的程序,应在划线处填入的语句是( )。
#include <iostream>
using namespace std;
class Base

private:
int x;
public:
Base(int i)

x=i;

~Base( )

class Derived : public Base

public:
_______________ //完成类Derive构造函数的定义

int main( )

Derived Obj;
return 0;

A. Derived(inti):Base(i)
B. Derived()
C. voidDerived(inti):Base(0)
D. Derived(inti)Base(i);

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