Java.io.OutputStreamWriter.write()方法实例
java.io.OutputStreamWriter.write(int c) 方法写入单个字符。
声明
以下是java.io.OutputStreamWriter.write()方法的声明
public void write(int c)
参数
-
c -- 指定一个字符写入int
返回值
此方法无返回值。
异常
-
IOException -- 如果发生I/ O错误。
例子
下面的示例演示java.io.OutputStreamWriter.write()方法的用法。
package com.yiibai; import java.io.*; public class OutputStreamWriterDemo { public static void main(String[] args) { try { // create a new OutputStreamWriter OutputStream os = new FileOutputStream("test.txt"); OutputStreamWriter writer = new OutputStreamWriter(os); // create a new FileInputStream to read what we write FileInputStream in = new FileInputStream("test.txt"); // write something in the file writer.write(70); writer.write(71); writer.write(72); // flush the stream writer.flush(); // read what we write for (int i = 0; i < 3; i++) { System.out.print("" + (char) in.read()); } } catch (Exception ex) { ex.printStackTrace(); } } }
让我们编译和运行上面的程序,这将产生以下结果:
FGH