pipedreader

PipedReader类的connect()方法 (PipedReader Class connect() method)

• connect() method is available in java.io package.

  connect()方法在java.io包中可用。

• connect() method is used to cause this PipedReader to be connected to the given PipedWriter (source) when this PipedReader is not previously connected to any of the other PipedWriter.

  当此PipedReader先前未连接到任何其他PipedWriter时，使用connect()方法使此PipedReader连接到给定的PipedWriter(源)。

• connect() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.

  connect()方法是一种非静态方法，仅可通过类对象访问，如果尝试使用类名访问该方法，则会收到错误消息。

• connect() method may throw an exception at the time of connecting the stream.

  connect()方法在连接流时可能会引发异常。

  IOException: This exception may throw when getting any input/output error.

  IOException ：遇到任何输入/输出错误时，可能引发此异常。

Syntax:

句法：

    public void connect(PipedWriter source);

Parameter(s):

参数：

• PipedWriter source – represents the piped writer to connect to this PipedReader.

  PipedWriter源 –表示连接到此PipedReader的管道编写器。

Return value:

返回值：

The return type of the method is void, it returns nothing.

该方法的返回类型为void ，不返回任何内容。

Example:

例：

// Java program to demonstrate the example 
// of void connect(PipedWriter source) method of 
// PipedReader
import java.io.*;
public class ConnectOfPR {
public static void main(String[] args) throws Exception {
int val = 65;
try {
// Instantiates PipedReader and PipedWriter
PipedWriter pipe_w = new PipedWriter();
PipedReader pipe_r = new PipedReader();
// By using connect() method is to connect
// this pipe_r to the given pipe_w
pipe_r.connect(pipe_w);
for (int i = 0; i < 3; ++i) {
// By using write() method is to
// write the val to the stream pipe_w
pipe_w.write(val);
val++;
}
for (int i = 0; i < 3; ++i) {
// By using read() method is to
// read the integer and convert it into
// char
char ch = (char) pipe_r.read();
System.out.println("pipe_r.read(): " + ch);
}
// By using close() method is to close
// the stream
pipe_w.close();
pipe_w.close();
} catch (Exception ex) {
System.out.println(ex.toString());
}
}
}

Output

输出量

pipe_r.read(): A
pipe_r.read(): B
pipe_r.read(): C

翻译自: https://www.includehelp.com/java/pipedreader-connect-method-with-example.aspx

pipedreader