void close()
描述 (Description)
java.io.PipedWriter.close()方法关闭此管道输出流并释放与此流关联的所有系统资源。 此流可能不再用于写入字符。
声明 (Declaration)
以下是java.io.PipedWriter.close()方法的声明。
public void close()
参数 (Parameters)
NA
返回值 (Return Value)
此方法不返回值。
异常 (Exception)
IOException - 如果发生I/O错误。
例子 (Example)
以下示例显示了java.io.PipedWriter.close()方法的用法。
package com.iowiki;
import java.io.*;
public class PipedWriterDemo {
public static void main(String[] args) {
// create a new Piped writer and reader
PipedWriter writer = new PipedWriter();
PipedReader reader = new PipedReader();
try {
// connect the reader and the writer
writer.connect(reader);
// write something
writer.write(70);
writer.write(71);
// close the writer
System.out.println("Closing writer...");
writer.close();
System.out.println("Writer closed.");
// print what we wrote
for (int i = 0; i < 2; i++) {
System.out.println("" + (char) reader.read());
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
让我们编译并运行上面的程序,这将产生以下结果 -
Closing writer...
Writer closed.
F
G