Io文件复制

[java]代码库

import java.io.*;

public class Chp17_2 {	//作业二：文件复制
	
	public static void main(String[] args) {
		// TODO 自动生成的方法存根				
		
		int c = 0;
		String str = "";
		
		try {	
					
			InputStreamReader ipsr = new InputStreamReader(System.in);		
			BufferedReader br = new BufferedReader(ipsr);
			
			String yuanwenjian = br.readLine();
			String xinwenjian = br.readLine();
			
			br.close();
			
			BufferedReader br2 = new BufferedReader(new FileReader(yuanwenjian)); 
			BufferedWriter bw = new BufferedWriter( new FileWriter(xinwenjian));
			 
			while((str = br2.readLine()) != null) {
				
				bw.write(str);
				bw.newLine();
				
			}

			bw.flush();		
			br2.close();
			bw.close();
			
			System.out.println("文件已复制！");
		
		}catch(FileNotFoundException e1) {
			System.out.println("找不到指定文件");
		}catch(IOException e2){
			System.out.println("文件复制错误");
		}
		
	}

}