Java通过多种方法打印到文件，并附加文本

import java.io.*;

public class FilePrintingExample {
    public static void main(String[] args) {
        try {
            FileOutputStream fos = new FileOutputStream("output.txt", true);
            PrintStream ps = new PrintStream(fos);
            
            ps.println("Hello, World!");
            ps.print("This is a new line.");
            
            ps.close();
            fos.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

import java.io.*;

public class FilePrintingExample {
    public static void main(String[] args) {
        try {
            FileWriter fw = new FileWriter("output.txt", true);
            BufferedWriter bw = new BufferedWriter(fw);
            
            bw.write("Hello, World!");
            bw.newLine();
            bw.write("This is a new line.");
            
            bw.close();
            fw.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

import java.io.*;

public class FilePrintingExample {
    public static void main(String[] args) {
        try {
            FileWriter fw = new FileWriter("output.txt", true);
            
            fw.write("Hello, World!");
            fw.write(System.lineSeparator());
            fw.write("This is a new line.");
            
            fw.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}