Java BufferedWriter write()方法

java.io.BufferedWriter.write(int c) 用于写入单个字符。

1 语法

public void write(int c)

2 参数

c：指定要写入字符的整数

3 返回值

无

4 示例 

package com.yiidian;

/**
 * 一点教程网： http://www.yiidian.com
 */
/**
 * java.io.BufferedWriter.write(int c)方法的例子
 */
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.StringWriter;

public class Demo {
    public static void main(String[] args) throws IOException {

        StringWriter sw = null;
        BufferedWriter bw = null;

        try{
            // create string writer
            sw = new StringWriter();

            //create buffered writer
            bw = new BufferedWriter(sw);

            // integer range represents alphabets in uppercase
            for(int i = 65; i<=90; i++)
            {
                bw.write(i);
            }

            // forces out the characters to string writer
            bw.flush();

            // string buffer is created
            StringBuffer sb = sw.getBuffer();

            // prints the string
            System.out.println(sb);

        }catch(IOException e){
            // if I/O error occurs
            e.printStackTrace();
        }finally{
            // releases any system resources associated with the stream
            if(sw!=null)
                sw.close();
            if(bw!=null)
                bw.close();
        }
    }
}

输出结果为：

ABCDEFGHIJKLMNOPQRSTUVWXYZ