io 输出到文件中保存

1：import java.io.BufferedWriter;
import java.io.FileWriter;

 

2： FileWriter fw = new FileWriter("C:/test/result.txt");
  BufferedWriter bw = new BufferedWriter(fw);

 

然后写入bw.write("需要写入的数据！");

 

最近关闭流，即：fw.close();bw.close();