javase - PrintWriter

PrintWriter：字符类型的打印输出流。用于向文本输出流打印对象的格式化形式。

package com.mzs.chat.base;

import java.io.*;

public class Test {

    public static void main(String[] args) throws FileNotFoundException, IOException {
        //File file = new File("C:\\test.txt");
        FileOutputStream fos = new FileOutputStream("C:\\test.txt");
        PrintWriter printWriter = new PrintWriter("C:\\test.txt");
        printWriter.write("hello world");
        printWriter.append('-');
        printWriter.println("tom");
        printWriter.printf("%s\n", "this is the test");
        printWriter.flush();
        printWriter.close();
    }
}