更多"在程序的下画线处应填入的选项是( )。 public class "的相关试题:
[单项选择]在下面程序的下画线处应填入的选项是
public class Test______
public static void main(String args[])
Test t=new Test( );
Thread tt=new Thread(t);
tt.start( );
public void run( )
for(int i=0;i<5;i++) System.out.println("i="+i);
A. implements Runnable
B. extends Thread
C. implements Thread
D. extends Runnable
[单项选择]在下面程序的下画线处应填入的选项是 public class Test______{ public static void main(String args[]) { Test t=new Test( ); Thread tt=new Thread(t); tt.start( ); } public void run( ) { for(int i=0;i<5;i++) System.out.println("i="+i); } }
A. implements Runnable
B. extends Thread
C. implements Thread
D. extends Runnable
[单项选择]下列程序的功能是将一个整数数组写入二进制文件,在程序的下画线处应填入的选项是( )。
import java.io.*;
public class XieShuzu
public static void main(String[]a)
int[]myArray=(10,20,30,40);
try
DataOutputStream dos=
new DataOutputStream(new
FileOutput Stream("ints.dat"));
for(int i=0;i<myArray.length;i++)
dos.______(myArray[i]);
dos.close( );
System.out.println("已经将整数数组写入二进制文件:ints.dat");
catch(IOException ioe)
System.out.println("IO Excepr_on");
A. writeArray
B. writeByte
C. writeInt
D. writeDouble
[单项选择]下面程序的功能是将一个整数数组写入二进制文件。在下画线处应填入的选项是 import java.io.*; public class XieShuzu { public static void main(String[] a) { int[]myArray={10,20,30,40}; try { DataoutputStream dos=new DataOutputStream(new FileoutputStream("ints.dat")); for(int i=0;i<myArray.1ength;i++)dos.______(myArray[i]); dos.close( ); System.out.println("已经将整数数组写入二进制文件:ints.dat"); } catch(IOException ice) { System.out.println("IO Exception"); } } }
A. writeArray
B. writeByte
C. writeInt
D. writeDouble
[单项选择]在程序的下面线处应填入的选项是______。
public class Test______
public static void main(String args[])
Test t=new Test( );
Thread tt=new Thread(t);
tt. start( );
public void run( )
for(int i=0; i<5; i++)
System. out. println("i="+i);
A. implements Runnable
B. extends Thread
C. implements Thread
D. extends Runnable
[简答题]下面程序的功能是把316表示为两个加数的和,使两个加数分别能被13和11整除,在下画线处应填入的选项是
#include<iostream.h>
Void main( )
int i=0,j,k;
doi++;k=316-13 * i;while(____) ;
j=k/11;
cout < < "316=13 * " < < i < < " +11 *" < < j;
A) k/11 B) k%11 C) k/11=0 D) k%11=0
[填空题]在下面程序的下画线处,填入适当的语句使程序能正确执行并输出异常栈信息。
public class ThrowableException
public static void main(String args[])
try
throw new Throwable("这里是本人定义的异常");
catch(Throwable e)
System.out.println("Caught Throwable");
System.out.println("e.getMessage( ):"+e.getMessage( ));
System.out.println("e.toString( ):"+e.toString( ));
System.out.println("e.printStackTrace( ):");
______
[填空题]在下列程序的下画线处,填入适当语句使程序能正确执行并输出异常栈信息。
Public class ThrowableException
Public static void main (String args[])
try
throw new Throwable("这里是本人定义的异常");
catch(Throwable e)
System.out.printIn("Caught Throwable");
System.out.printIn("e.getMessage( ):"+e.getMessage( ));
System.out .printIn("e.toString( ):"+e.toString( ));
System.out.printin("e.printStackTrace( ):");
______;)
[单项选择]下列程序中下画线处应填入的语句是
class Base
public:
void fun( ) cout < < "Baseoffun" < < endl;
;
class Derived:public Base
void fun( )
______//显示基类的成员函数fun
cout < < "Derived of fun" < < endl;
;
A) fun( ) ; B) Base. fun( ) ;
C) Base: :fun( ) ; D) Base->fun( ) ;
[单项选择]下列程序中下画线处应填入的语句是
class Base
{
public:
void fun( ) {cout < < "Baseoffun" < < endl;}
};
class Derived:public Base
{
void fun( )
{
______//显示基类的成员函数fun
cout < < "Derived of fun" < < endl;
}
};
A) fun( ) ; B) Base. fun( ) ;
C) Base: :fun( ) ; D) Base->fun( ) ;
[单项选择]下列程序中横线处应填入的语句是( )。
class Base
public:
vold fun( )cout<<"Base of fun"<<endl;
;
class Derived:public Base
void fun( )
//显示基类的成员函数fun
cout<<"Derived of fun"<<endl;
;
A. fun();
B. Base.fun();
C. Base::fun();
D. Base->fun();
[单项选择]下列程序中横线处应填入的语句是( )。
Class Base
public:
roid fun( )cout<<“Base of fun”<<endl;)
;
class Derived:public Base
void fun( )
//显示基类的成员函数fun
cout<<“Derived Of fun”<<endl;
;
A. fun();
B. Base.fun();
C. Base::fun();
D. Base->fun();
[单项选择]下列程序创建了一个线程并运行,横线处应填入的正确代码是______。
public class Try extends Thread
public static void main(String args[])
Thread t=flew Try( );
______;
public void run( )
System. out. println("Try!");
A. t. start
B. t. class
C. t. thread
D. t. static
[单项选择]在下列代码的下面线处应填入的内容是______。
public class FirstSample
public static void main(______args[])
System. out. println("你好!");
A. staff
B. double
C. int
D. String
[单项选择]为了支持压栈线程与弹栈线程之间的交互与同步,在下画线处依次填入的语句是
public class IntStack
private int idx=0;
private int[]data=new int[8];
public ______ void push(int i)
data[idx]=i;
idx++;
______
…
A. synchronized() notify()
B. synchronized() this.wait()
C. synchronized() this.notify()
D. synchronized() sleep()