面向对象程序设计(Java)实验7

1. 列出指定目录中所有扩展名为.java的文件。

package test7;
import java.io.*;
public class show {
    public static void main(String [] args){
        String path = "D:\JAVA\java_cheng_xu\statistics\src\test1";
        File file = new File(path);
        showall(file,"java");
    }
    public static void showall(File dir, String s){
        File[] files = dir.listFiles();
        for (int i = 0 ;i
            File file = files[i];
            if(file.getName().endsWith(s)){
                System.out.println(file.getName());
            }
        }
    }
}