输入和输出流__复制文件

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public class CopyFile {

   public static void main(String[] args) {

<span style="white-space:pre">	</span>File inputFile = new File("file1.txt");
<span style="white-space:pre">	</span>File outputFile = new File("file2.txt");
<span style="white-space:pre">	</span>int ch;
<span style="white-space:pre">	</span>try {
<span style="white-space:pre">		</span>FileReader in = new FileReader(inputFile);
<span style="white-space:pre">		</span>//这里可能会出现乱码，需修改
<span style="white-space:pre">		</span>FileWriter out = new FileWriter(outputFile);
<span style="white-space:pre">		</span>System.out.println("文件复制开始...");
<span style="white-space:pre">		</span>while((ch = in.read()) != -1){
<span style="white-space:pre">		</span>   out.write(ch);
<span style="white-space:pre">		</span>}
<span style="white-space:pre">		</span>in.close();
<span style="white-space:pre">		</span>out.close();
<span style="white-space:pre">		</span>System.out.println("文件复制结束.");
<span style="white-space:pre">	</span>} catch (FileNotFoundException e) {
<span style="white-space:pre">		</span>System.out.println("文件没有找到" +e);
<span style="white-space:pre">		</span>e.printStackTrace();
<span style="white-space:pre">	</span>}catch(IOException ioe) {
<span style="white-space:pre">		</span>System.out.println("文件读取错识" +ioe);
<span style="white-space:pre">	</span>}
    }
}