nesttry.java

来自「Java程序设计实用教程源代码 本书源代码按章分别放置在不同的文件夹中,所有程」· Java 代码 · 共 24 行

import java.io.*;
public class nestTry {
  public static void main(String args[]) {
    String str, filename = null;
    for (int i = 0; i < 5; i++) {
      System.out.println("Please input filename ");
      try {
        BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
        try {
          filename = stdin.readLine();
          BufferedReader in = new BufferedReader(new FileReader(filename));
        }
        catch (IOException ioex) {
          System.out.println("读取指定数据文件时发生错误");
          break;
        }
      }
      catch (IllegalArgumentException ex) {
        System.out.println("输入参数错误");
        System.exit( -1);
      }
    }
  }
}