CMS专题
单选题Which constructs a DataOutputStream？（）ANew dataOutputStream（“out.txt”）；BNew dataOutputStream（new file（“out.txt”））；CNew dataOutputStream（new writer（“out.txt”））；DNew dataOutputStream（new FileWriter（“out.txt”））；ENew dataOutputStream（new OutputStream（“out.
题目
New dataOutputStream（“out.txt”）；
New dataOutputStream（new file（“out.txt”））；
New dataOutputStream（new writer（“out.txt”））；
New dataOutputStream（new FileWriter（“out.txt”））；
New dataOutputStream（new OutputStream（“out.txt”））；
New dataOutputStream（new FileOutputStream（“out.txt”））；
参考答案和解析
相似问题和答案
第1题：
Java 类库中，将信息写入内存的类是
A ） java.io.FileOutputStream
B ） java.io.ByteArrayOutputStream
C ） java.io.BufferedOutputStream
D ） java.io.DataOutputStream
第2题：
A.Writeclient-sidesubprogramscontainingthePL/SQL8constructs,andmovethemintoanobjectgroup.
B.Writeserver-sidesubprograms,andcallthesubprogramsfromtheformapplication.
C.StorethePL/SQL8constructsinaPL/SQLlibrary,andattackthelibrarytoeachformmuddleinyourapplication.
第3题：
Structured programming practices(71)rise to Pascal，in which constructs were introduced to make programs more readable and better(72). C provided a combination of assembly language and high-level Structure to create a general-purpose language that could be used from system to(73)programming. Next came object orientation，which is(74)of a methodology and design philosophy than a language issue．This is(75)by the addition of so-called OO extensions to current languages，such as C．
A．giving
B．given
C．gave
D．gives
第4题：
Which constructs a DataOutputStream？（）
- A、 New dataInputStream（“in.txt”）；
- B、 New dataInputStream（new file（“in.txt”））；
- C、 New dataInputStream（new writer（“in.txt”））；
- D、 New dataInputStream（new FileWriter（“in.txt”））；
- E、 New dataInputStream（new InputStream（“in.txt”））；
- F、 New dataInputStream（new FileInputStream（“in.txt”））；
正确答案:F
第5题：
Java类库中，将信息写入内存的类是（ ）。
A.java．io．FileOutputStream
B.java．io．ByteArrayOutputStream
C.java．io．BufferedOutputStream
D.j ava．io．DataOutputStream
在java．i0中，提供了ByteArrayInput－Stream、ByteArrayOutputStream和StringBufferInputStream类可以直接访问内存，其中用ByteArrayOutputStream可以向字节数组(缓冲区)写入数据。．
第6题：
此题为判断题(对，错)。
第7题：
Structured programming practices(71)rise to Pascal, in which constructs were introduced to make programs more readable and better(72)C provided a combination of assembly and high -level structure to create a general -purpose language that could be used from system to(73)programming. Next came object orientation, which is(74)of a metrology and design philosophy than a language issue. This is(75)by the addition of so - called OO extensions to current language, such as C++.
A．giving
B．given
C．gave
D．gives
第8题：
阅读下面程序
import java.io.*;
public class ByteStream Test{
public static void main(String[] a){
int[] myArray = {10,20.30,40};
try{
DataOutputStream dos = new DataOutputStream
(new _________________( " ints.dat " ));
for (int i=0;i<myArray.length;i++)
dos.writeInt(myArray[i] ) ;
dos.close();
S ystem.out.println( " Have written binary file ints.dat " );
}
catch (IOException ioc){
System.out.println( " IO Exception " );
}
}
}
为保证程序正确运行，在程序中下划线处应填入的代码是
A)FileOutputStream
B)ByteArrayOutputStream
C)BufferedOutputStream
D)FileWriter
第9题：
在J2EE中，在提供名为sock的套接字实例的前提下，为了后去通过套接字进行通信的输出流，你可以编写（）
- A、sock.accept（）
- B、sock.getDataOutputStream
- C、sock.getOutputStream
- D、new DataOutputStream（sock）
正确答案:C
第10题：
Which constructs a BufferedIputStream？（）
- A、 New BufferedInputStream（“in.txt”）；
- B、 New BufferedInputStream（new File（“in.txt”））；
- C、 New BufferedInputStream（Writer（“in.txt”））；
- D、 New BufferedInputStream（new Writer（“in.txt”））；
- E、 New BufferedInputStream（new InputStream（“in.txt”））；
- F、 New BufferedInputStream（new FileInputStream（“in.txt”））；
正确答案:F