basicfileoutput.java

来自「这是Java思想的最高集萃」· Java 代码 · 共 27 行

package chapter18;
import java.io.*;
public class BasicFileOutput {
	static String file="out.txt";
	public static void main(String args[])throws IOException{
		BufferedReader in=new BufferedReader(new StringReader(BufferedInputFile.read("test2.txt")));
		/*
		 * 读
		 */
		PrintWriter out=new PrintWriter(new BufferedWriter(new FileWriter(file)));
		/*
		 * 写
		 */
		int lineCount=1;
		String s;
		while((s=in.readLine())!=null){
			out.println(lineCount++ + ":" + s);
			/*
			 * out.println()在这里是什么意思？
			 */
		}
		out.close();
		System.out.print(BufferedInputFile.read(file));
		
	}
}