readfile2.java

来自「一个J2SE的简单入门」· Java 代码 · 共 32 行

package 第九章;

import java.io.FileReader;
import java.io.FileWriter;

public class ReadFile2 {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		try
		{
			FileWriter filewriter= new FileWriter("e://filewriter.txt");
			filewriter.write("I love java");
			filewriter.close();
			FileReader filereader= new FileReader("e://filewriter.txt");
			char[ ] buf = new char[1024];
			int len= filereader.read();
			System.out.println(new String(buf,0,len));
			
			filereader.close();
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
	}

}