Java FilterWriter write()方法

java.io.FilterWriter.write(int c) 方法写入单个字符的过滤写入器。

1 语法

public void write(int c)

2 参数

c:整数,指定要写入到这个过滤写入器的源字符。

3 返回值

4 示例 

package com.yiidian;

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

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

        FilterWriter fw = null;
        Writer w = null;
        String s=null;

        try{
            // create new reader
            w = new StringWriter(6);

            // filter writer
            fw = new FilterWriter(w) {
            };

            // write to filter writer
            fw.write(65);
            fw.write(66);
            fw.write(67);

            // get the string
            s = w.toString();

            // print
            System.out.print("String: "+s);

        }catch(Exception e){

            // if any I/O error occurs
            e.printStackTrace();
        }finally{

            // releases system resources associated with this stream
            if(w!=null)
                w.close();
            if(fw!=null)
                fw.close();
        }
    }
}

输出结果为:

String: ABC

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