IO
package bbb; import java.io.*; public class ccc { public static void main(String[] args) throws IOException{ String str="123456sad"; File f1=new File("D://data.txt"); FileWriter fw=new FileWriter(f1); BufferedWriter bw=new BufferedWriter (fw); bw.write("王程"); bw.newLine(); bw.write(str); bw.newLine(); bw.close(); fw.close();
package wink; import java.io.*; public class eeeee { public static void main(String[] args) throws IOException{ File f1 = new File("D://asd.txt"); FileReader fw = new FileReader(f1); BufferedReader bw =new BufferedReader(fw); String str; while((str=bw.readLine())!=null){ System.out.println(str); } bw.close(); fw.close(); } }
}
}