Java PrintWriter close()方法

java.io.PrintWriter.close() 方法关闭该流并释放与之关联的所有系统资源。

1 语法

public void close()

2 参数

3 返回值

4 示例 

package com.yiidian;

/**
 * 一点教程网: http://www.yiidian.com
 */

/**
 * java.io.PrintWriter.close()方法的例子
 */
import java.io.*;

public class Demo {
    public static void main(String[] args) {
        String s = "Hello World ";

        try {
            // create a new stream at system
            PrintWriter pw = new PrintWriter(System.out);

            // append the sequence
            pw.append(s);

            // flush the writer
            pw.flush();

            // print another string
            pw.println("This is an example");

            // flush the writer again
            pw.flush();

            // close the writer
            pw.close();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}

输出结果为:

Hello World This is an example

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