Code example of how to read files recursively in Java

This article introduces you to the javarecursive method of reading files through a sample code. The code is simple and easy to understand, very good, and has reference value. Friends who need it can refer to it. Bar

Java recursively lists all files in a directory

/**
 * 列出指定目录的全部内容
 * */
import java.io.*;
class Recursion{
  public static void main(String[] args) {
    String fileName="D:"+File.separator;
    File f=new File(fileName);
    printFile(f);
  }
  public static void printFile(File f){
    if(f!=null){
      if(f.isDirectory()){
        File[] fileArray=f.listFiles();
        if(fileArray!=null){
          for (int i = 0; i < fileArray.length; i++) {
            //递归调用
            print(fileArray[i]);
          }
        }
      }
      else{
        System.out.println(f);
      }
    }
  }
}

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