PipedInputStream类close()方法 (PipedInputStream Class close() method)

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

  close()方法在java.io包中可用。

• close() method is used to close this PipedInputStream and free all system resources linked with this stream.

  close()方法用于关闭此PipedInputStream并释放与此流链接的所有系统资源。

• close() 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.

  close()方法是一个非静态方法，只能通过类对象访问，如果尝试使用类名称访问该方法，则会收到错误消息。

• close() method may throw an exception at the time of closing the stream.

  close()方法在关闭流时可能会引发异常。

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

  IOException ：在执行过程中遇到任何输入/输出错误时，可能引发此异常。

Syntax:

句法：

    public void close();

Parameter(s):

参数：

• It does not accept any parameter.

  它不接受任何参数。

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 close() method
// of PipedInputStream
import java.io.*;
public class CloseOfPIS {public static void main(String[] args) throws Exception {int val = 65;
try {// Instantiates PipedInputStream and
// PipedOutputStream
PipedInputStream pipe_in = new PipedInputStream();
PipedOutputStream pipe_out = new PipedOutputStream();
for (int i = 0; i < 3; ++i) {// By using write() method is to
// write the val to the stream pipe_out
pipe_out.write(val);
val++;
}
// By using close() method is to close
// the stream
pipe_in.close();
pipe_out.close();
// when we call read() after closing the stream
// will result an exception
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_in.read();
System.out.println("pipe_in.read(): " + ch);
}
} catch (Exception ex) {System.out.println("Stream Closed Before!!!!");
}
}
}

Output

输出量

Stream Closed Before!!!!

翻译自: https://www.includehelp.com/java/pipedinputstream-close-method-with-example.aspx