摘要：1 package com.freud.algorithm.other; 2 3 import java.io.File; 4 import java.io.FileOutputStream; 5 6 public class WriteData { 7 8 public static void m 阅读全文

摘要：1 package com.freud.algorithm.other; 2 3 import java.io.File; 4 5 public class FileDemo { 6 7 public static void main(String[] args) { 8 File dir = ne 阅读全文