IO流-File-java

package IO;

import java.io.File;

public class Test02 {
    static long Min = Integer.MAX_VALUE;
    static long Max = 0;
    static File minfile = null;
    static File maxfile = null;

    public static void main(String[] args) {

        File files = new File("/home/ly/Desktop");
        listFile(files);
        System.out.println(minfile+":"+Min);
        System.out.println(maxfile+":"+Max);

    }
    public static void listFile(File files){

        if(files.isFile()){
            if(Max < files.length()){
                Max = files.length();
                maxfile = files;
            }

            if(Min > files.length()){
                Min = files.length();
                minfile= files;
            }
            return;
        }


        if(files.isDirectory()){
            File [] file = files.listFiles();
            for (File f: file) {
                listFile(f);
            }
        }
    }
}

package IO